curriculum vitae - virginia techcurriculum vitae wing ng office address home address department of...

Curriculum Vitae

Wing Ng Office Address Home Address Department of Mech Engineering 1004 Doe Run Drive Virginia Tech Blacksburg VA 24060 Blacksburg VA 24061-0238 540-231-7274 540-818-2668 (C) email [email protected] EDUCATION MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Cambridge, MA

PhD Degree in Mechanical Engineering 1984 MS Degree in Mechanical Engineering 1980

NORTHEASTERN UNIVERSITY, Boston, MA

BSc Degree in Mechanical Engineering 1979 EXPERIENCE VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY, Blacksburg VA Alumni Distinguished Professor 2019-present

Chris C. Kraft Endowed Professor in Engineering 1996-present Professor, Dept. of Mech. Engr 1991-1996

Associate Professor with tenure, Dept. of Mech. Engr 1987-1991 Assistant Professor, Dept. of Mech. Engr 1984-1987 Conduct research and teaching in thermofluid science, aero-propulsion and turbomachinery

TECHSBURG Inc, Christiansburg VA Founder 2020-present Chairman & Owner 1998-2019

Provide leadership and strategic planning for a 16-employee, high tech spin-off company. Techsburg engages in applied research and development (mostly proprietary and secret) for aerospace companies, gas turbine industries and government laboratories, with focus areas in unmanned vehicle, aero-propulsion and turbomachinery. Techsburg also has a state-of-the-art, precision Computer Numeric Control machine center.

XI’AN JIAOTONG UNIVERSITY, Xi’an, China 2015-2018 Adjunct Professor GE CORPORATE RESEARCH AND DEVELOPMENT, Schenectady NY (Sabbatical)

Fluid Mechanics Program: Summer/Fall 1992 Application of Artificial Intelligence to Computational Fluid Dynamics

NASA LEWIS RESEARCH CENTER, Cleveland OH

Computational Methods Branch: Summer 1985 Numerical simulation of high-speed flows.

Wing-fai Ng (continued) 2

NASA LANGLEY RESEARCH CENTER, Hampton VA

National Transonic Facility Aerodynamics Branch: Summer 1984 Developed high-frequency instrumentation for detailed, time-resolved measurements of dynamic flow quality in the National Transonic Facility.

MASSACHUSETTS INSTITUTE OF TECHNOLOGY Cambridge, MA

Gas Turbine Laboratory: 1979-1983 Conducted research as a graduate assistant in the areas of fluid mechanics of turbomachinery.

GENERAL ELECTRIC COMPANY, AIRCRAFT ENGINE GROUP Lynn, MA (Co-op work)

Advanced Mechanical Design and Technology: Spring/Summer 1979 Carried out stress analysis on engine hot parts Engine Fuel Controls: Summer/Fall 1977 Developed components test in a main fuel control. Test Facilities Design and Construction: Fall 1976 Designed a probe calibration test cell

HONORS AND AWARDS Alumni Distinguished Professor, 2019

The professorship is a pre-eminent appointment, recognizing remarkable scholarship and service, as well as extraordinary teaching that has influenced the lives of generations of students. The honor is given to less than one percent of university faculty (only 10 Alumni Distinguished Professorships were awarded out of 1,520 faculties). Fellow (elected) of the American Institute of Aeronautics & Astronautics, 2019 Virginia Tech Faculty Entrepreneur Hall of Fame, recognizing VaTech faculty members who have made substantial contributions both in their role as university faculty, and in the private sector through engagement in successful start-up ventures (only seven current and retired faculty are members of the Hall of Fame), 2017 Techsburg was honored as Northrop-Grumman’s World Class Team Supplier Award winner, 2014. This Northrop Grumman’s award program recognizes contributions of small businesses across the United States to the success of their programs. University’s William E. Wine Award, presented annually to three VaTech faculty members (out of ~1400) to recognize “a history of university teaching excellence”, 2014 Member of the University’s Academy of Teaching Excellence, VaTech, 2014 Certificate of Teaching Excellence from College of Engineering, VaTech 1985, 1988, 2011, 2014 Best Paper Award, “Study of microparticle rebound characteristics under high temperature conditions”, by Reagle, C.J., Delimont, J.M., Ng, W.F., Ekkad, S.V., ASME-GT-95083, presented at the American Society for Mechanical Engineers (ASME) Turbo Expo, San Antonio, TX, Jun 2013. Dean’s Award for Excellence in Research for recognition of extra-ordinary performance in research from College of Engineering, VaTech, 2013


Best Paper Award, “Un-cooled Fiber-Optic Pressure Sensor for Gas Turbine Engines, operation to 1922’F and 500 psig,” by Palmer, Davis, Engelbrecht, Fielder, Ng, Song, and Ringshia, AIAA-2006-1123, Ground Test Technical Committee, presented at the American Institute of Aeronautics & Astronautics (AIAA) 44th Aerospace Sciences Meeting, Reno, NV, Jan 2006 Certificate of Merit Award for promotion of technical and scientific excellence, “Thermoelectric Power Generation for UAV Applications,” by Fleming, J., Ng., W.F., and Ghamaty, S., AIAA 2002-3412, at the AIAA Unmanned Aerospace Vehicles, Systems, Technologies, and Operations Conference and Workshop, Portsmouth, VA, May, 2002.

Best Paper Award, “An Active Flow Distortion Control System for Serpentine Inlets,” by J.M.

Anderson, R. Burdisso, and W.F. Ng, IMECE 2002-NCA-33049 for the ASME 2002 International Mechanical Engineering Conference and Exposition, 2002

Best Poster Award, “A PIV Study of a Flow Control System in a High Turning Stator Cascade” by

J. Estevadeordal, W. Copenhaver, W. Ng and C. Carter, for the 26th AIAA Dayton-Cincinnati Aerospace Science Symposium, 2001

Dean's Award for Excellence in Teaching for recognition of extra-ordinary performance in teaching

from College of Engineering, VaTech, 1999

Fellow of the American Society of Mechanical Engineers, 1996

Japanese Government Research Awards for Foreign Specialists to lecture in Japan, 1996

Certificate of recognition from NASA for contributions to the Supersonic Throughflow Fan Technology Team, 1995

Testified as an expert witness on the National Aerospace Plane (NASP) program, on a hearing before the committee on Science, Space, and Technology, US House of Representatives, One Hundred Third Congress, May 5, 1993, Washington DC.

Sporn Award from VaTech in recognition of excellence in teaching of engineering subjects (given each year to one out of ~300 College of Engineering faculty), 1987

Ralph R. Teetor Educational Award from the Society of Automotive Engineers in recognition of significant contributions to teaching, research and student development, 1986.

SELECTED MEDIA COVERAGE HIGHLIGHTING NG’S CONTRIBUTIONS

• Techsburg featured on WDBJ7 News in Roanoke, Virginia (https://www.youtube.com/watch?v=6A3bMgjgRsg&feature=youtu.be)

• “Helping Virginia Take Flight,” Virginia Tech Magazine, Fall 2010 (http://www.vtmag.vt.edu/fall10/feature4.html)

• “Finding a Home-Wing Ng,” Valley Business Front, Sept. 2012, pp. 35-37 (http://www.vbfront.com/Issuearchive2012.html)

• “Hot Jobs of the Future,” Virginia Business, Nov. 2014, pp. 63. • “Discovery Engine-Wing Ng,” Virginia Tech Magazine, Fall 2014, pp. 14-15

(http://www.vtmag.vt.edu/fall14/vtmag-fall14.pdf) • “Wing Ng receives 2014 William E. Wine Award,” VT News, April 29, 2014

(https://vtnews.vt.edu/articles/2014/04/042114-facstaffaward-ng.html)


• “Wing Ng receives the Entrepreneur Hall of Fame Award,” VT News, April 23, 2017 (https://vtnews.vt.edu/articles/2017/04/fs-ng-entrepenuer-hall-of-fame.html)

SCHOLARSHIPS AWARDED

Sears B. Condit Honor Award from Northeastern University for outstanding scholarship, 1979. The President's Award from Northeastern University in recognition of outstanding scholastic

achievement, 1979. CITATIONS

Techsburg was selected as one of Aviation Week’s “Companies to Watch” at the Aerospace & Defense Conference in Phoenix, AZ, 2013

Techsburg was awarded “Best Value” team member by Honeywell on the DARPA Micro-Air

Vehicle program, 2001 Plaque of appreciation from ASME International Gas Turbine Institute for serving as the technical

program chair for the 1999 Turbo Expo Conference Certificate of Appreciation from ASME Council on Education for advancing engineering education

as Member-at-Large on the Board on Professional Development, 1996-1998. Certificates of Appreciation from ASME International Gas Turbine Institute for teaching a short

course, 1997, 2013 Certificate of Appreciation from ASME for serving as Chairman of the Aerospace Division, in testimony of the high regard of coworkers and the deep appreciation for advancing the engineering profession, 1993

CONSULTING

Weil, Gotshal & Manges LLP, Washington, DC- litigation on patent infringement, 2019 Ropes & Gray LLP, New York NY- litigation on patent infringement, 2019 US Air Force Office of Scientific Research, Washington DC– on Advisory Committee for

Aerospace Materials & Science Research, 2001. US Air Force Wright Lab, Dayton OH- on Advisory Committee for Compressor and Turbine

Research, 1999 NASA Glenn Research Center, Cleveland, OH- on Advisory Committee for Propulsion, 1993-2002 Demag Delaval Turbomachinery Inc. Trenton NJ- on steam turbine testing, 1997-99 Florida State University, Tallahassee FL- on turbomachinery noise, 1997-1998 ITT Aerospace Division, Fort Wayne IN- on spacecraft venting analysis, 1996 Sandia National Lab, Albuquerque NM- on aerodynamic probes, 1995-1996 Rasnic and Rasnic, Jonesville VA- litigation on mining product liability, 1995-1997 Westinghouse Electric Corp, Orlando FL- on cascade testing, 1993 Armstrong Pharmaceuticals Inc, Norwood MA- on dose inhaler design, 1993 Allied Signal Corp, Tech Center, Petersburg VA- on analysis of carpet manufacturing, 1988-1993 Teledyne Brown Engineering, Huntsville, AL- on aerodynamic probes, 1991 GE, Corporate Research and Development Center, Schenectady, NY- on high speed inlet, 1987 Avco Research Laboratory & Textron, Everett, MA- on aerodynamic probes, 1987


PUBLICATIONS Editorship Ng, W. F., ed., Micro-Electro-Mechanical Systems in Aeropropulsion, ASME, AD-Vol. 52, New York, 1996. Ng, W. F., ed., Computational Fluid Dynamics in Aeropropulsion, ASME, AD-Vol. 49, New York, 1995. Ng, W. F., Fant, D., and Povinelli, L., ed., Unsteady Flows in Aeropropulsion, ASME, AD-Vol. 40, New York, 1994. Chapter in Book Xue, S. and Ng, W.F., “Turbine blade tip external cooling technologies”, Aerospace Journal-Cooling/Heat Transfer, Q. Zhang, Editor, ISSN 2226-4310, 2018. Song, B. and Ng, W.F., “Gas-Turbine Engines: Compressors”, Encyclopedia of Aerospace Engineering, W. Shyy, Editor, John Wiley & Sons, Inc., ISBN: 978-0-470-75440-5, Oct 2010. Brock, J. S., and Ng, W. F., "Quasi-Analytical Shape Modification for Neighboring Steady-State Euler Solutions," Flow Control, Gunzburger, M.D., Editor, Springer-Verlag, New York, 1994, pp. 79-110. Selected Invited Papers and/or Presentations “Gas Turbine Flow Characterization using Non-Intrusive Acoustic Measurements”, invited Keynote Lecture at the International Conference on Fluid Dynamics & Aerodynamics, Berlin, Germany, Oct 2018. “Numerical Investigation of Tandem Airfoils for a Gas Turbine Core Compressor”, Invited Plenary Lecture at the International Conf on Pumps and Fans with Compressors and Wind Turbines, Beijing, China, Sept 2013. “Aerothermal Characteristics of the Blade Tip and Near-Tip Regions of a Highly Loaded Transonic Turbine Blade”, Lecturer for Short Course for the ASME International Gas Turbine Institute (IGTI) Turbine Blade Tip Symposium & Workshop, Hamburg, Germany, Sept 2013. “Heat Transfer in a Transonic Turbine Cascade”, invited seminar at U of Tenn, Knoxville, TN, Jan 2009. “Experimental Investigation of the Effect of High Freestream Turbulence on the Heat Transfer of a Turbine Vane”, keynote lecture at the 9th Asian International Conference on Fluid Machinery, Jeju, Korea, Oct 2007. “Aeroacoustics of a Landing Gear”, invited presentation at the Japanese Aerospace Exploration Agency, Tokyo, Japan, July 2007. “High Speed Compressor Cascade Testing”, keynote lecture at the International Symposium on Jet Propulsion and Power Engineering, Kunming, China, Sept 2006. “Turbomachinery and Propulsion Research at Virginia Tech”, invited lectures at Beijing University of Aeronautic & Astronautic, Beijing and Northwest Polytechnic University, Xi’an, China, Dec 2005.


“An Overview of Trailing Edge Blowing for Fan Noise Control,” with Langford, Sutliff and Burdisso, Noise-Con 2005, the 150th Meeting of the Acoustical Society of America, Oct, 2005, Minneapolis, MN. “MEMS & Active Flow Control—Applications within Turbomachinery,” Ohio Aerospace Institute, Cleveland, OH, March 2003. “MEMS & Active Flow Control—Applications within Turbomachinery,” von Karman Institute of Fluid Dynamics Lecture Series, April 2002, Brussels, Belgium. “MEMS Applications in Gas Turbine Engines,” North Atlantic Treaty Organization Research & Technology Organization Symposium on Reduction of Military Vehicle Acquisition Time & Cost Through Advanced Modelling & Virtual Product Simulation, April 2002, Paris, France. “Flow Control for Gas Turbine Systems,” Alstom Power Gas Turbines/Turbomachinery, July 2001, Baden-Dattwil, Switzerland. “Flow Control for Gas Turbine Systems,” EPFL/Swiss Institute of Technology, July 2001, Lausanne, Switzerland. "Active Acoustics and Flow Control for Aeropropulsion," AIAA 2001-0220, for the 39th AIAA Aerospace Sciences Meeting & Exhibit, Reno, NV, 2001. Journal Papers 1. Yang, S., Feng, Z., Jia, X., Pickrell, G., Ng, W., Wang, A. & Zhu, Y., “All-sapphire miniature

optical fiber tip sensor for high temperature measurement’, IEEE, J of Lightwave Technology, accepted.

2. Otero Jr R, Lowe KT, Ng WF, and Silas K "Coupled Velocity and Temperature Acoustic

Tomography in Heated High Subsonic Mach Number Flows" Measurement Science and Technology, accepted article: https://doi.org/10.1088/1361-6501/ab24a3

3. Mayo DE, Daniel K, Lowe KT, and Ng WF, 2019 "Mean Flow and Turbulence of a Heated Supersonic Jet with Temperature Nonuniformity”, AIAAJournal, https://doi.org/10.2514/1.J058163.

4. Stuber M, Lowe KT, and Ng WF, 2019 "Synthesis of Convection Velocity and Turbulence Measurements in Three-Stream Jets," Experiments in Fluids, 60:83, https://doi.org/10.1007/s00348-019-2730-5, View-only access: https://rdcu.be/bxAHy. Pre-print available at http://arxiv.org/abs/1811.06970.

5. Otero Jr R, Lowe KT, and Ng W, "In-flight thrust monitoring: an acoustics-based approach," accepted for publication in Aeronautical Engineering and Aerospace Technology for special issue on NATO Specialists' Meeting AVT-306

6. Lowe KT, Silas K, Boggs G, Ng WF, 2019 "An experimental study on the coupling between adjacent Hartmann whistles," International Journal of Aeroacoustics, 18(2-3), 299-316, https://doi.org/10.1177/1475472X19834525.

7. Turner, E., Bogdan, M., O’Connell, T., Ng, W., Lowe, K., Crook, L., Stevenson, R. & Roberts, J., “Measurements drift in 3-hole yaw pressure probes from 5 micron sand fouling at 1050’ C”, accepted for the ASME J of Engineering for Gas Turbines & Power.


8. Luehr, L, Sibold, R., Li, Z., Mao, S., Ng, W., Xu, H., and Fox, M., “The effect of step

misalignment on purge flow cooling of nozzle guide vane at transonic conditions”, accepted for the ASME J of Turbomachinery.

9. Li, Z., Liu, L., Li, J., Sibold, R., Ng, W., Xu, H. and Fox, M., “Effects of upstream step geometry on axisymmetric converging vane endwall secondary flow & heat transfer at transonic conditions”, ASME J. of Turbomachinery, Vol. 140, Dec 2018 (121008, 14 pages).

10. Roy, A., Blot, D.M., Ekkad, E, Ng, W., Lohaus, A., Crawford, M., Abraham, S., “Thermal

management of a Transonic Turbine – Leakage Flow and Endwall Contouring Effects”, AIAA Journal of Thermophysics and Heat Transfer, Vol. 32, No. 4, 2018, pp. 1031-1044.

11. Siorek, M., Guillot, S., Xue, S., and Ng, W., “A sensitivity study of gas turbine exhaust diffuser-

collector performance at various inlet swirl angles & strut stagger angles”, ASME J of Engineering for Gas Turbines & Power, Vol. 140(7), April 2018 (072602, 14 pages).

12. Otero, R., Lowe, K.T., Ng, W., Ma, L. and Kim, C., “Non-intrusive gas turbine engine exhaust characterization using acoustic measurements”, AIAA J of Propulsion & Power, 34 (3), 2017, pp.730-738.

13. Otero, R., Lowe, K. and Ng, W., “Non-intrusive acoustic measurements of flow velocity and

temperature in a high subsonic Mach number jet”, Measurement Science & Technology, Vol 29 (1), 2017, 015106.

14. Roy, A., Jain, S., Ekkad, S., Ng, W., Lohaus, A., Crawford, M., and Abraham, S., “Heat transfer

performance of a transonic turbine blade passage in the presence of leakage flow through upstream slot & mateface gap with endwall contouring’, ASME J. of Turbomachinery, Vol. 139(12), Dec 2017 (121006, 11 pages).

15. Panchal, K., Abraham, S., Roy, A., Ekkad, S., Ng, W., Lohaus, A. and Crawford, M., “Effect of endwall contouring on a transonic turbine blade passage: heat transfer performance”, ASME J. of Turbomachinery, Vol. 139(1), Jan 2017 (011009, 11 pages).

16. Ecker, T., Lowe, K.T., Ng, W., “On the distribution and scaling of convective wavespeeds in the shear layers of heated supersonic jets”, Journal of Flow, Turbulence and Combustion, Vol. 98 (2), Feb 2017, pp 355-366.

17. Otero, R., Lowe, K.T. and Ng, W., “Extension of sonic anemometry to high subsonic Mach number flows,” Measurement Science & Technology, Vol 28 (3), 2017, 035306.

18. Xue, S., Guillot, S., Ng, W., Fleming, J., Lowe, K., Samal, N. and Stang, U., “An experimental

investigation of the performance impact of swirl on a turbine exhaust diffuser/collector for a series of diffuser strut geometries”, ASME J. of Engineering for Gas Turbines and Power, Vol.138 (9), Sept 2016 (092603, 8 pages).

19. Arisi, A., Philips, J., Ng, W., Xue, S., Moon, H. and Zhang, L., “An experimental and numerical

study on the aerothermal characteristics of a ribbed transonic squealer-tip turbine blade with purge flow”, ASME J of Turbomachinery, Vol. 138 (10) Oct 2016 (101007, 11 pages)


20. Barboza, K., Ma, L. and Lowe, T., Ekkad, S., Ng, W., “A diagnostic technique for particle characterization using laser light extinction”, ASME J of Engineering for Gas Turbines and Power, Vol.138(11), Nov 2016 (111601, 10 pages).

21. Xue, S., Arisi, A., and Ng, W., “Experimental and numerical investigations of shock-film cooling interaction on a turbine blade with fan-shaped cooling holes”, ASME J of Thermal Science & Engineering Applications, Vol. 7, Dec 2015 (044502, 6 pages)

22. Ecker T., Lowe K.T., Ng W.F., “Eddy convection in developing heated supersonic jets”, AIAA Journal, 53 (11), 3305-3315 (11 pages), 2015.

23. Arisi, A., Xue, S., Ng, W., Moon, H. and Zhang, L., “Numerical investigation of aerothermal

characteristics of the blade tip and near-tip regions of a transonic turbine blade”, ASME J of Turbomachinery, Vol. 137 (9), Sept 2015 (091002, 12 pages)

24. Blanchard, R., Ng, W., and Vandsburger, U., “Temperature ratio effects on bluff body wake dynamics using large eddy simulation and Prop. Orth. Decomposition”, ASME J of Engineering for Gas Turbines and Power, Vol 137 (12), Dec 2015 (122601, 10 pages)

25. Delimont, J., Murdock M., Ng, W. and Ekkad, S., “Effect of temperature on microparticle rebound characteristics at constant impact velocity-Part II”, ASME J of Engineering for Gas Turbines and Power, Vol. 137, Nov 2015, 112604-1 to 8.

26. Delimont, J., Murdock M., Ng, W. and Ekkad, S., “Effect of temperature on microparticle

rebound characteristics at constant impact velocity-Part I”, ASME J of Engineering for Gas Turbines and Power, Vol. 137, Nov 2015, 112603-1 to 9.

27. Ecker, T., Lowe, K. and Ng, W., “A rapid response 64-channel photomultiplier tube camera for high speed flow velocimetry”, Measurement Sci & Technology 26 (2015) 027001 (6 pages)

28. Guillot, S., Ng, W., Hamm, H., Stang, U. and Lowe, K., “The experimental studies of improving the aerodynamic performance of a turbine exhaust system”, ASME J of Engineering for Gas Turbines & Power, Vol. 137, No.1, 012601 (13 pages), Jan 2015.

29. Xue, S., Roy, A., Ng, W. and Ekkad, S., “A novel transient technique to determine recovery temperature, heat transfer coefficient, and film cooling effectiveness simultaneously in a transonic turbine cascade”, ASME J of Thermal Science & Engineering Applications, 7 (1), 01016 (Mar 01, 2015), 10 pages.

30. Blanchard, R.P., Vandsburger, U., Ng, W. and Lowe, K., “Simulating bluff-body flameholders:

on the use of proper orthogonal decomposition for wake dynamics validation”, ASME J of Engineering for Gas Turbines and Power, 136.12 (2014): 122603.

31. Blanchard, R.P., Vandsburger, U., Ng, W., Wickersham, A. and Ma, L., “Simulating bluff-body flameholders: on the use of proper orthogonal decomposition for combustion dynamics validation”, ASME J of Engineering for Gas Turbines and Power, 136.12 (2014): 121504.

32. Singh, S., Tafti, D., Reagle, C., Delimont, J., Ng, W. and Ekkad, S., “Sand transport in a two pass internal cooling duct with rib turbulators”, International J of Heat and Fluid Flow, 46, 2014, pp 158-167.


33. Ecker, T., Brooks, D., Lowe, T. and Ng, W., “Development and application of a point Doppler Velocimeter featuring two-beam multiplexing for time-resolved measurements of high speed flow”, Journal of Experiments in Fluids, 55 (9), 1819, 2014

34. Reagle, C.J., Delimont, J.M., Ng, W.F., Ekkad, S.V., “Study of microparticle rebound characteristics under high temperature conditions”, ASME J of Engineering for Gas Turbines & Power, Vol.136, No.1, 011501 (9 pages), Jan 2014.

35. Reagle, C., Delimont J., Ng, W., Ekkad, S., and Rajendran, V., “A novel optical technique for measuring the coe. of restitution of microparticle impacts in a forced flowfield”, J of Mea Sci & Technology, 24, 105303, 2013.

36. Xue, S., Newman, A., Ng, W., Moon, H. and Zhang, L., “Performance of a Showerhead and Shaped Hole Film Cooled Vane at High Freestream Turbulence and Transonic Conditions”, ASME J of Turbomachinery, Vol.135, No.3, 031007 (9 pages), May 2013.

37. Harrison, N., Anderson, J., Ng, W.F. and Fleming, J., “Experimental Investigation of Active Flow Control of a Boundary Layer Ingesting Serpentine Inlet Diffuser”, AIAA J of Aircraft, Vol. 50, No.1, 10 pages, Jan 2013.

38. Nasir, S., Bolchoz, T., Ng, W.F., Zhang, L.J., Moon, H.K. and Anthony, R.J., “Showerhead Film Cooling Performance of a Turbine Vane in a Transonic Cascade”, ASME J of Turbomachinery, Vol.134, 051021-1 (11pages), September 2012.

39. Carullo, J. Nasir, S. Cress, R., Ng, W., Thole, K., Zhang, L. and Moon, H., “Effect of Free Stream Turbulence and Turbulence Length Scale and Exit Reynolds # on Turbine Blade Heat Transfer in a Transonic Cascade”, ASME J of Turbomachinery, Vol. 133, No.1, 011030 (11 pages), Jan 2011.

40. McGlumphy, J., Ng, W.F., Wellborn, S. and Kempf, S., “3D Numerical Investigation of Tandem Airfoils for a Core Compressor”, ASME J of Turbomachinery, Vol.132, No.3, 031009 (9 pages), Jul 2010.

41. Bailie, S.T., Ng, W., and Copenhaver, W.W., “Experimental Reduction of Transonic Fan Forced

Response by IGV Flow Control,” ASME J. for Turbomachinery, Vol. 132, No.2,021003 (8 pages), April 2010.

42. McGlumphy, J. Ng, W., Wellborn, S. and Kempf, S., “Numerical Investigation of Subsonic Axial-

Flow Tandem Compressor Blades”, ASME J. of Turbomachinery, Vol. 131, No.2, Apr 2009, pp.021018-1 to -8.

43. Ravetta, P., Burdisso, R. and Ng, W.F., “Noise Source Localization and Optimization of Phased

Array Results”, AIAA J., Vol. 47, No. 11, Nov 2009, pp. 2520-2533. 44. Remillieux, M.C., Camargo, H.E., Ravetta, P.A., Burdisso, R.A. and Ng, W.F., “Novel Kevlar-

Walled Wind Tunnel for Aeroacoustic Testing of a Landing Gear”, AIAA J., Vol.46, No.7, July 2008, pp. 1631-1639.

45. Nasir, S., Carullo, J., Ng, W., Thole, K., Wu, H., Zhang, L., and Moon, H., “Effects of Large Scale

High Freestream Turbulence and Exit Reynolds Number on Turbine Vane Heat Transfer in a Transonic Turbine Cascade”, ASME J. of Turbomachinery, Vol.131, No.2, Apr 2009, pp.021021-1 to -11.


46. Song, B., Ng, W. Sonoda, T. and Arima, T., “Loss Mechanisms of High-Turning Supercritical Compressor Cascades”, AIAA J. of Propulsion and Power, Vol 24, No.3, May-Jun 2008, pp.416-423.

47. Song, B., and Ng, W., “The Role of Axial Velocity Density Ratio in Linear Cascade Testing”, J of

Aerospace Power, Vol.22, No.6, Jun 2007, pp.15-26. 48. Nix, A., Diller, T., and Ng, W., “Experimental Measurements and Modeling of the Effects of Large-

Scale Freestream Turbulence on Heat Transfer”, ASME J. of Turbomachinery, Vol. 129, No.3, July 2007, pp.542-550.

49. Song, B., Ng, W., Cotroneo, J., Hofer, D. and Siden, G., “Aerodynamic Design and Testing of 3

Low Solidity Steam Turbine Nozzle Cascades,” ASME J. of Turbomachinery, Vol. 129, Jan 2007, pp.62-71.

50. Langford, M., Breeze-Stringfellow, A., Guillot, S., Solomon, W., Ng, W., and Estevadeordal, J.,

“Experimental Investigation of the Effects of a Moving Shock Wave on Compressor Stator Flow,” ASME J. of Turbomachinery, Vol. 129, Jan 2007, pp.127-135.

51. Song, B. and Ng, W., “Performance and Flow Characteristics of an Optimized Supercritical

Compressor Stator Cascade,” ASME J. of Turbomachinery, Vol. 128, July 2006, pp.435-443. 52. Scribben-Rabe, A., Ng, W.F. and Burdisso, R., “Effectiveness of a Serpentine Inlet Duct Flow

Control Technique at Design and Off-Design Simulated Flight Conditions,” ASME J. of Turbomachinery, Vol. 128, Apr 2006, pp.332-339.

53. Langford, M., Burdisso, R., and Ng, W., “An overview of flow control for fan noise reduction”,

Journal of the Acoustical Society of America, Vol. 118, Sept 2005, pp. 1863-1864.

54. Li, S.M., Chu, T.L., Yoo, Y.S. and Ng, W.F., “Transonic and Low Supersonic Flow Losses of Two Steam Turbine Blades at Large Incidences,” ASME J. of Fluids Engineering, Vol. 126, Nov 2004, pp.966-975.

55. Ninnemann, T. and Ng, W.F., “Loss Reduction Using Riblets on a Supersonic Through-Flow Fan

Blade Cascade,” ASME J. of Fluids Engineering, Vol. 126, No. 4, 2004, pp. 642-649. 56. Fleming, J., Ng, W.F. and Ghamaty, S., “Thermoelectric-Based Power System for Unmanned-Air-

Vehicle/Microair-Vehicle Applications,” AIAA J. of Aircraft, Vol. 41, No. 3, 2004, pp.674-676. 57. Chesnakas, C.J., and Ng, W.F., “Supersonic Through-Flow Fan Blade Cascade Studies,” ASME J.

of Fluids Engineering, Vol. 125, No. 5, 2003, pp. 796-805. 58. Li, S.M., Hanuska, C.A., and Ng, W.F., “An experimental Investigation of the Aeroacoustics of a

2D Bifurcated Supersonic Inlet,” J. of Sound & Vibration, Vol. 248, No. 1, 2001, pp.105-121. 59. Rao, N.M., Feng, J., Burdisso, R.A., and Ng, W.F., “Experimental Demonstration of Active Flow

Control to Reduce Unsteady Stator-Rotor Interaction,” AIAA J., Vol. 39, No. 3, March 2001, pp. 458-464.

60. Leitch, T.A., Saunders, G.A., and Ng, W.F., "Reduction of Unsteady Stator-Rotor Interaction Using

Trailing Edge Blowing," Journal of Sound and Vibration, Vol. 235, No. 2, 2000, pp. 235-245.


61. Jacobsen, L.S., Schetz, J.A., Ng, W.F., "Flowfield near a Multiport Injector Array in a Supersonic Flow," AIAA Journal of Propulsion and Power, Vol. 16, No. 2, March-April 2000, pp 216-226.

62. Relation, H. L., Battaglioli, J. L., Ng, W. F., “Numerical Simulations of Nonreacting Flows for Industrial Gas Turbine Combustor Geometries,” ASME Journal of Engineering for Gas Turbines and Power, Vol. 120, July 1998, pp. 460-467

63. Osborne, D. J., Jr., Ng, W. F. and Tweedt, D. L., “Studies of Secondary Flow at Endwall of a

Supersonic Compressor Cascade,” AIAA J. Vol. 36, No. 2, 1998, pp. 128-133. 64. Miller, K. C. and Ng, W. F., “Effects of Choking on the Aeroacoustics of an Axisymmetric

Supersonic Inlet,” Journal of Sound and Vibration, Vol. 203, No. 1, 1997, pp. 63-73. 65. Yamamoto, K. and Ng, W. F., “The Development of Flow Distortions at the Fan Face for an

Axisymmetric Supersonic Inlet,” Journal of Sound and Vibration, Vol. 203, No. 1, 1997, pp. 75-85.

66. Brock, J. S., and Ng, W. F., "Quasi-Analytical Shape Prediction for Direct-Iterative Inverse

Design," Journal of Computing Systems in Engineering, Vol. 6, No. 2, 1995, pp. 191-194. 67. Detwiler, K., Yuan, Z., and Ng, W. F., "Experimental and Numerical Studies of the Aeroacoustics

of Axisymmetric Supersonic Inlets," Journal of Sound and Vibration, Vol. 184, No. 5, Aug 1995, pp. 853-870.

68. Nuckolls, W. E., and Ng, W. F., "Fan Noise Reduction from a Supersonic Inlet During Simulated

Aircraft Approach," ASME Journal of Engineering for Gas Turbines and Power, Vol. 117, No. 2, April 1995, pp. 237-244.

69. Ajmani, K., Ng, W. F., and Liou, M. S., "Preconditioned Conjugate Gradient Methods for the

Navier-Stokes Equations," Journal of Computational Physics, Vol. 110, No. 1, Jan 1994, pp. 68-81.

70. Andrew, P. L., and Ng, W. F., "Turbulence Characteristics in a Supersonic Cascade Wake Flow,"

ASME Journal of Turbomachinery, Vol. 116, No. 4, Oct. 1994, pp. 586-596. 71. Ninnemann, T. A., and Ng, W. F., "A Concentration Probe for the Study of Mixing in Supersonic

Shear Flows," Journal of Experiments in Fluids, Vol. 13, 1992, pp. 98-104. 72. Wagner, M.J., Ng, W.F., and Dhande, S.G., “Profile Synthesis and Kinematic Analysis of Pure

Rolling Contact Gears,” ASME Journal of Mechanical Design, Vol. 114, No. 2, June 1992, pp. 326-333.

73. Taylor, A. C., III, Ng, W. F., and Walters, R. W., "Upwind Relaxation Methods for the

Navier-Stokes Equations Using Inner Iterations," Journal of Computational Physics, Vol. 99, No. 1, Mar 1992, pp. 68-78.


74. Taylor, A. C., III, Ng, W. F., and Walters, R. W., "An Improved Upwind Finite Volume Relaxation Method for High Speed Viscous Flows," Journal of Computational Physics, Vol. 99, No. 1, Mar 1992, pp. 159-168.

75. Kwok, F. T., Andrew, P. L., Ng, W. F., and Schetz, J. A., "Experimental Investigation of a

Supersonic Shear Layer with Slot Injection of Helium," AIAA J., Vol. 29, No. 9, September 1991, pp. 1426-1435.

76. Clark, R. L., Jr., Ng, W. F., Walker, D. A., and Schetz, J. A., "Large-Scale Structure in a Supersonic

Slot-Injected Flowfield," AIAA J., Vol. 28, No. 6, Jun 1990, pp. 1045-1051. 77. Ng, W. F., Chakroun, W. M., and Kurosaka, M., "Time-Resolved Measurements of Total

Temperature and Pressure in the Vortex Street Behind a Cylinder," Physics of Fluids A, Fluid Dynamics, Vol. 2, No.6, June 1990, pp. 971-978.

78. Ng, W. F., Gundappa, M., Griffith, D. O., II, Peterson, J. B., Jr., "Turbulence Measurements and

Noise Generation in a Transonic Cryogenic Wind Tunnel," AIAA J., Vol. 28, No. 5, May 1990, pp. 853-858.

79. Ng, W. F., Ajmani, K., and Taylor, A. C., III, "Turbulence Modeling in Hypersonic Inlets," AIAA

J., Vol. 27, No. 10, Oct. 1989, pp. 1354-1360. 80. Walker, D. A., Ng, W. F., and Walker, M. D., "Experimental Comparison of Two Hot-Wire

Techniques in Supersonic Flow," AIAA J., Vol.27, No. 8, Aug 1989, pp. 1074-1080. 81. Ng, W. F., and Popernack, T. G., Jr., "Combination Probe for Hi-Frequency Unsteady

Aerodynamic Measurements," IEEE Transactions on Aerospace and Electronic Systems, Vol. 24, No. 1, January 1988, pp. 76-84.

82. Ng, W. F., O'Brien, W. F., and Olsen, T. L., "Experimental Investigation of Unsteady Fan Flow

Interaction with Downstream Struts," AIAA Journal of Propulsion and Power, Vol. 3, No. 2, Mar 1987, pp.157-163.

83. Ng, W. F., Benson, T. J., and Kunik, W. G., "Real Gas Effects on the Numerical Simulation of

Hypersonic Inlet," AIAA Journal of Propulsion and Power, Vol. 2, No. 4, July 1986, pp. 381-382. 84. Ng, W. F., and Rosson, J. C., "Cryogenic Tunnel Measurement of Total Temperature and Pressure,"

AIAA Journal of Aircraft, Vol. 23, No. 3, Mar 1986, pp. 244-249. 85. O'Brien, W. F., Ng, W. F., and Richardson, S. M., "Calculation of Unsteady Fan Rotor Response

Caused by Downstream Flow Distortions," AIAA Journal of Propulsion and Power, Vol. 1, No. 6, Nov 1985, pp.464-469.

86. Ng, W. F., and Epstein, A. H., "Unsteady Losses in Transonic Compressors," ASME Journal of

Engineering for Gas Turbines and Power, Vol. 107, No. 2, Apr 1985, pp. 345-353. 87. Ng, W. F., and Epstein, A. H., "High Frequency Temperature and Pressure Probe for Unsteady

Compressible Flows," Review of Scientific Instruments, Vol. 54, No. 12, Dec 1983, pp. 1678-1683.


Conference Papers 1. Brown, K., Fleming, J., Langford, M., Ng, W., Schwartz, K. and Combs, C. “Development of a

ducted propulsor for BLI electric regional aircraft-Part I: aerodynamic design and analysis”, AIAA Joint Propulsion Conf, Aug 2019, Indy, IN.

2. Daniel K, Mayo D, Lowe KT and Ng W, 2019 "Space-Time Description of the Density Near-Field in a Non-Uniformly Heated Jet," AIAA/CEAS Aeroacoustics Conference, 20-23 May, Delft, Netherlands, paper AIAA 2019-2474, https://doi.org/10.2514/6.2019-2474.

3. Saltzman AJ, Boyda MT, Lowe KT and Ng W, 2019 "Filtered Rayleigh Scattering for Velocity and Temperature Measurements of a Heated Supersonic Jet with Thermal Non-Uniformity," AIAA/CEAS Aeroacoustics Conference, 20-23 May, Delft, Netherlands, paper AIAA 2019-2677, https://doi.org/10.2514/6.2019-2677.

4. Mayo D, Daniel K, Lowe KT and Ng W, 2019 "Statistical Flow Structures in Heated Supersonic Jets with Offset Temperature Non-Uniformities," AIAA/CEAS Aeroacoustics Conference, 20-23 May, Delft, Netherlands, paper AIAA 2019-2708, https://doi.org/10.2514/6.2019-2708

5. Daniel K, Mayo D, Lowe KT and Ng W, 2019 "Experimental Investigation on the Acoustic Field and Convection Velocity of Structures in Heated Jet with Centered Thermal Non-Uniformity," AIAA Scitech 2019 Forum, 7-11 January, San Diego, CA, paper AIAA 2019-1300.

6. Quinn AM, Daniel K, Lowe KT and Ng W, 2019 "Outdoor Acoustic Measurements of the Virginia Tech Heated Supersonic Jet Rig Using Ground Microphones," AIAA Scitech 2019 Forum, 7-11 January, San Diego, CA, paper AIAA 2019-1581.

7. Saltzman AJ, Lowe KT and Ng W, 2019, "Demonstration of 250 kHz Three-Component Velocity Measurements using TRDGV at 32 Simultaneous Points," AIAA Scitech 2019 Forum, 7-11 January, San Diego, CA, paper AIAA 2019-1819.

8. Luehr, L, Sibold, R., Li, Z., Mao, S., Ng, W., Xu, H., and Fox, M., “The effect of step

misalignment on purge flow cooling of nozzle guide vane at transonic conditions”, ASME-GT-2019-91810, for the ASME Turbo Expo, Phoenix, AZ, Jun 2019, accepted for ASME J of Turbomachinery.

9. Y. Kang, R. Sibold, M. Homer, L. Gladwin, R. Claus, W. Ng, H. Ruan, “Semiconductor Nano & Micro Membrane based Pressure Sensors for Wide Bandwidth Measurements”, ASME-GT-2019-91681, for the ASME Turbo Expo, Phoenix, AZ, Jun 2019.

10. La Rosa, R , Pandit, J., Ng, W., Barker, B., “Effects on heat transfer coe and adiabatic

effectiveness in combined backside and film cooling with short-hole geometry”, ASME-GT-2019-91522, for the ASME Turbo Expo, Phoenix, AZ, Jun 2019.

11. Turner, E. J., Bogdan, M. F., O'Connell, T. M., Ng, W.F., Lowe, K. T., Stevenson, R., Roberts, J. and Crook, L., “Measurement Drift in 3-Hole Yaw Pressure Probes from 5 Micron Sand Fouling at 1050°C”, Accepted to ASME Turbo Expo, Phoenix, AZ, June 17-21, 2019, ASME Paper No. GT2019-90880, accepted for ASME J. of Power & Gas Turbines.

12. Daniel K, Mayo D, Lowe KT and Ng W, 2019 "Experimental Investigation on the Acoustic Field

and Convection Velocity of Structures in a Heated Jet With Centered Thermal Non-


Uniformity," AIAA Scitech 2019 Forum, 7-11 January, San Diego, CA, paper AIAA 2019-1300.

13. Quinn AM, Daniel K, Lowe KT and Ng W, 2019 "Outdoor Acoustic Measurements of the Virginia Tech Heated Supersonic Jet Rig Using Ground Microphones," AIAA Scitech 2019 Forum, 7-11 January, San Diego, CA, paper AIAA 2019-1581.

14. Saltzman AJ, Lowe KT and Ng W, 2019, "Demonstration of 250 kHz Three-Component Velocity Measurements using TRDGV at 32 Simultaneous Points," AIAA Scitech 2019 Forum, 7-11 January, San Diego, CA, paper AIAA 2019-1819.

15. Otero, R., Lowe, T., and Ng, W., “Acoustic based turbine engine thrust measurements”, NATO STO AVT-306 Specialists’ Meeting on Gas Turbine Instrumentation from Test Cells to On-Vehicle Applications, Paper 16, Athens, Greece, Dec 2018

16. Mayo, D., Daniel, K., Lowe, T., and Ng, W., “The flow and turbulence characteristics of a heated supersonic jet with an offset total temperature non-uniformity”, AIAA Aviation Forum, AIAA-2018-3144, Jul 2018, Atlanta, GA.

17. Daniel, K., Mayo, D., Lowe, T., and Ng, W., “Experimental Investigation of the very near pressure field of a heated supersonic jet with a total temperature non-uniformity”, AIAA Aviation Forum, AIAA-2018-3145, Jul 2018, Atlanta, GA.

18. Hsu, K., Barker, B., Varney, B., Boulanger, A., Nguyen, V., and Ng, W., “Review of heated sand

particle deposition models”, ASME-GT2018-75723, for the ASME Turbo Expo, Oslo, Norway, Jun 2018.

19. Li, Z., Liu, L., Li, J., Sibold, R., Ng, W., Xu, H. and Fox, M., “Effects of upstream step geometry

on axisymmetric converging vane endwall secondary flow & heat transfer at transonic conditions”, ASME-GT2018-76236, for the ASME Turbo Expo, Oslo, Norway, Jun 2018.

20. Mayo, D., Arisi, A., Ng, W., Li, Z., Li, J., Moon, H. and Zhang, L., “Effect of combustor-turbine

platform misalignment on the aerodynamics and heat transfer of an axisymmetric converging vane endwall at transonic conditions”, ASME Turbo Expo, GT2017-65091, Jun 2017, Charlotte, NC.

21. Siorek, M., Guillot, S., Xue, S., and Ng, W., “A sensitivity study of gas turbine exhaust diffuser-collector performance at various inlet swirl angles & strut stagger angles”, ASME Turbo Expo, GT2017-63126, Jun 2017, Charlotte, NC.

22. Boulanger, A., Hutchinson, J., Xu, W., Keefe, M., Ng, W., Ekkad, E., Barker, B. and Hsu, K.,

“Experimental based empirical model of the initial onset of sand deposits on Hastelloy-X from 1000’C to 1100’C using particle tracking”, ASME Turbo Expo, GT2017-64480, Jun 2017, Charlotte, NC.

23. Barker, B., Hsu, K., Varney, B., Boulanger, A., and Hutchinson, J., “An experimental-based sticking model for heated sand”, ASME Turbo Expo, GT2017-64421, Jun 2017, Charlotte, NC

24. Mayo, D., Daniel, K., Lowe, K. and Ng, W., “Experimental investigation of a heated supersonic jet with total temperature non-uniformity”, AIAA Aviation Forum, AIAA-2017-3521, Jun 2017, Denver, CO.


25. Shea, S., Lowe, K. and Ng, W., “Eddy convection in cold & heated supersonic jets”, AIAA Aviation Forum, AIAA-2017-4044, Jun 2017, Denver, CO.

26. Stuber, M., Lowe, K. and Ng, W., “Synthesis of convection velocity & turbulence measurements

in three-steam jets for investigation of noise sources”, AIAA Aviation Forum, AIAA-2017-4045, Jun 2017, Denver, CO.

27. Arisi, A., Mayo, D., Li, Z., Ng, W., Moon, H. and Zhang, L. “An experimental and numerical

investigation of the effect of combustor-nozzle platform misalignment on endwall heat transfer at transonic high turbulence condition”, ASME Turbo Expo, GT2016-57763, Jun 2016, Seoul, Korea.

28. Ecker, T., Lowe, K., and Ng, W., “Development of Doppler global velocimetry for the

measurement of eddy convective velocities”, 18th International Symposium on Applications of Laser & Imaging Techniques to Fluid Mechanics, Liston, Portugal, Jul 2016.

29. Otero, R., Lowe, K.T., Ng, W., Ma, L. & Kim, C.Y., “Non-intrusive gas turbine engine exhaust

characterization using acoustic measurements,” AIAA Aviation 2016, Washington, DC, Jun, Paper 2016-4160.

30. Boulanger, Patel, Hutchinson, DeShong, Xu, Ng, and Ekkad, “Preliminary experimental

investigation of initial onset of sand deposition in the turbine section of gas turbines”, ASME Turbo Expo, GT2016-56059, Jun 2016, Seoul, Korea.

31. Ecker, T., Lowe, K., Ng, W., Henderson, B.S. and Leib, S.J., “Velocity statistics & spectra in three-stream jets”, paper AIAA-2016-1633, SciTech, San Diego, CA Jan 2016.

32. Ecker, T., Lowe, K., and Ng, W., “Scale-up of the time-resolved Doppler Global velocimetry technique”, Paper AIAA-2016-0029, SciTech, San Diego, CA, Jan 2016.

33. Nguyen, B.Q., Brennan, S., Peterson, K., Ng, W., and Ekkad, S., “3D contoured end wall for turbine vanes”, ISABE-2015-20126, for the ISABE, Phoenix, AZ, 2015.

34. Guillot, S., Ng, W., Song, X., Stang, U., Samal, N. and Lowe, K., “An experimental investigation of the performance impact of inlet swirl on a turbine exhaust diffuser/collector for a series of diffuser strut geometries”, ASME-GT2015-42325, for the ASME Turbo Expo, Montreal, Canada, Jun 2015.

35. Arisi, A., Philips, J., Ng, W., Xue, S., Moon, H. and Zhang, L., “An experimental and numerical study on the aerothermal characteristics of a ribbed transonic squealer-tip turbine blade with purge flow”, ASME-GT2015-43073, for the ASME Turbo Expo, Montreal, Canada, Jun 2015.

36. Barboza, K., Ng, W., Ekkad, S., Ma, L. and Lowe, T., “A diagnostic technique for particle characterization using laser light extinction”, ASME-GT2014-43347, for the ASME Turbo Expo, Montreal, Canada, Jun 2015.

37. Ecker, T., Lowe K.T., and Ng, W., “On the distribution and scaling of convective wave speeds in the shear layers of heated supersonic jet”, TSFP-9, 9th International Symposium on Turbulence & Shear Flow Phenomena, Melbourne, Australia, Jun 2015.


38. Ecker, T., Lowe K.T., and Ng, W., “An experimental study of the role of core intermittency in equivalent jet noise sources”, TSFP-9, 9th International Symposium on Turbulence & Shear Flow Phenomena, Melbourne, Australia, Jun 2015.

39. Ecker, T., Lowe, K., Ng, W. and D.R. Brooks, “Fourth order spectral statistics in the developing shear layers of hot supersonic jets”, AIAA-1946891, for the AIAA 50th Joint Propulsion Conference, Cleveland OH, Jul 2014.

40. Delimont, J., Murdock M., Ng, W. and Ekkad, S., “Effect of near melting temperatures on microparticle sand rebound characteristics at constant impact velocity”, ASME-GT-2014-25686, for the ASME Turbo Expo, Dusseldorf, Germany, Jun 2014.

41. Arisi, A., Xue, S., Ng, W., Moon, H. and Zhang, L., “Numerical investigation of aerothermal

characteristics of the blade tip and near-tip regions of a transonic turbine blade”, ASME-GT2014-25492, for the ASME Turbo Expo, Dusseldorf, Germany, Jun 2014.

42. Guillot, S., Ng, W., Hamm, H., Stang, U. and Lowe, K., “Experimental studies of improving the aerodynamic performance of a turbine exhaust system”, ASME-GT2014-25481, for the ASME Turbo Expo, Dusseldorf, Germany, Jun 2014.

43. Roy, A., Jain, S., Ekkad, S., Ng, W., Lohaus, A. and Crawford, M., “Heat transfer performance of a transonic turbine blade passage in presence of leakage flow through upstream slot and mateface gap with endwall contouring”, ASME-GT2014-26476, for the ASME Turbo Expo, Dusseldorf, Germany, Jun 2014.

44. Jain, S., Roy, A., Ng, W., Ekkad, S., Lohaus, A. and Taremi, F., “Aerodynamic performance of a transonic turbine blade passage in presence of upstream slot and mateface gap with endwall contouring”, ASME-GT2014-26475, for the ASME Turbo Expo, Dusseldorf, Germany, Jun 2014.

45. Delimont, J., Murdock M., Ng, W. and Ekkad, S., “Effect of temperature on microparticle

rebound characteristics at constant impact velocity”, ASME-GT-2014-25687, for the ASME Turbo Expo, Dusseldorf, Germany, Jun 2014.

46. Ecker, T., Brooks, D., Lowe, K., & Ng, W., “Quantitative image processing of high-speed

Schlieren of a hot supersonic jet,”, for the 66th APS Annual Meeting of the ASP Fluid Dynamics Division, Pittsburg, PA, Nov 2013.

47. Ecker, T., Brooks, D., Lowe, K., & Ng, W., “Spectral Analysis of over-expanded cold jets via point Doppler velocimetry”, 1741139, for the AIAA 52nd Aerospace Sciences Meeting, National Harbor, MD, Jan 2014.

48. Brooks, D., Ecker, T., Lowe, K., & Ng, W., “Experimental Reynolds Stress Spectra in Hot Supersonic Jets”, 1740796, for the AIAA 52nd Aerospace Sciences Meeting, National Harbor, MD, Jan 2014

49. Song, X., Roy, A., Ekkad, S., Ng, W., “Comparison of data processing techniques for convective

heat transfer measurements in a transient transonic hot wind tunnel”, GTINDIA2013-3733, for the ASEM Gas Turbine India Conference 2013, Bangalore, Karnataka, India, Dec 2013.

50. Roy, A., Blot, D., Ekkad, S., Ng, W., Lohaus, A., Crawford, M., “Effect of endwall contouring in presence of upstream leakage flow on a transonic turbine blade passage: heat transfer


measurements”, AIAA-2013-1587527, for the 49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, San Jose, CA, Jul 2013

51. Blanchard, R., Fleischman, C., Lowe, K. T., Vandsburger, U. & Ng, W., “Analysis of the

Turbulent Wake of a Bluff-body Using Decomposition Techniques and Large Eddy Simulation”, 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics. Lisbon, Portugal, Jun 2013.

52. Blanchard, R., Wickersham, A., Ma, L., Vandsburger, U. & Ng, W., “Measurements and Analysis of a Compressible, Turbulent Premixed Flame Using Decomposition Techniques and Large -Eddy Simulation”, Proceedings of the European Combustion Meeting 2013. Lund, Sweden, Jun 2013.

53. Anto, K., Xue, S., Ng, W., Zhang, L.J., Moon, H.K., “Effects of tip clearance gap and exit Mach number on turbine blade tip and near-tip heat transfer”, ASME-GT-94345, for the ASME Turbo Expo, San Antonio, TX, Jun 2013.

54. Reagle, C.J., Delimont, J.M., Ng, W.F., Ekkad, S.V., “Study of microparticle rebound characteristics under high temperature conditions”, ASME-GT-95083, for the ASME Turbo Expo, San Antonio, TX, Jun 2013.

55. Blot, D.M., Roy, A., Ekkad, S.V., Ng, W.F., Lohaus, A.S., and Crawford, M.E., “Effect of upstream purge slot on a transonic turbine blade passage: part 1- aerodynamic performance”, ASME-GT-94591, for the ASME Turbo Expo, San Antonio, TX, Jun 2013.

56. Roy, A., Blot, D.M., Ekkad, S.V., Ng, W.F., Lohaus, A.S., and Crawford, M.E., “Effect of upstream purge slot on a transonic turbine blade passage: part 2- heat transfer performance”, ASME-GT-94581, for the ASME Turbo Expo, San Antonio, TX, Jun 2013.

57. Wickersham, Yeaton, Fleischman, Blanchard, Ekkad, Ng, Ma, Lowe, and Vandsburger, “Test capabilities in the Commonwealth Center for Aerospace & Propulsion Systems (CCAPS) augmentor development facility”, AIAA-2013-0032, for the AIAA Aerospace Sciences Meeting, Dallas, TX, Jan 2013.

58. Singh, S., Reagle, C., Delimont, J., Tafti, D., Ng, W., and Ekkad, S., “Sand transport in a two pass internal cooling duct with rib turbulators”, HT2012-58100, ASME Summer Heat Transfer Conf, Puerto Rico, Jul 2012.

59. Ecker, T., Lowe, K., and Ng, W., “Early development of time-resolved volumetric doppler velocimetry for new insights in hot supersonic jet noise”, AIAA-2012-2273, for the AIAA Aeroacoustics Conference, Colorado Spring, CO, Jun 2012.

60. Abraham, S., Panchal, K., Ekkad, S., Ng, W., Lohaus, A. and Malandra, A., “Effect of endwall contouring on a transonic turbine blade passage: Part 1- aerodynamic performance”, ASME-GT-68425, for the Turbo Expo, Copenhagen, Denmark, Jun 2012.

61. Panchal, K., Abraham, S., Ekkad, S., Ng, W., Lohaus, A. and Crawford, M., “Effect of endwall contouring on a transonic turbine blade passage: Part 2- heat transfer performance”, ASME-GT-68405, for the Turbo Expo, Copenhagen, Denmark, Jun 2012.


62. Abraham, S., Panchal, K., Ekkad, S., Ng, W., Lohaus, A. and Malandra, A., “Measurement of aerodynamic losses for turbine airfoil cascades with varying pitch, operating under transonic conditions”, ASME-GT-68424, for the Turbo Expo, Copenhagen, Denmark, Jun 2012.

63. Reagle, C., Delimont J., Ng, W., Ekkad, S., and Rajendran, V., “Measuring the coefficient of restitution of microparticle sand impacts”, ASME-GT-68252, for the Turbo Expo, Copenhagen, Denmark, Jun 2012.

64. Fleming, J., Goossen, E., Tweedie, S., Langford, M., and Ng, W., “Development of an Air Data System for Ducted Fan Unmanned Aircraft”, AIAA-2012-0668, for the AIAA Aerospace Science Meeting, Nashville, TN, Jan 2012.

65. Xue, S., Ng, W., Ekkad, E., Zhang, L., and Moon, H., “Fan-shaped hole film cooling on turbine blade in a transonic cascade with high freestream turbulence”, AIAA-2012-0368, for the AIAA Aerospace Science Meeting, Nashville, TN, Jan 2012.

66. Abraham, S., Panchal, K., Ekkad, S., Ng, W., Brown, B. and Malandra, A., “Effect of airfoil shape and turning angle on airfoil aerodynamic performance at transonic conditions”, Proceeding of ASME International Mechanical Engineering Congress & Exposition (IMECE) 2011, Denver, CO, Nov 2011, paper number IMECE2011-62167.

67. Newman, A., Xue, S., Ng, W., Moon, H. and Zhang, L., “Performance of a Showerhead and Shaped Hole Film Cooled Vane at High Freestream Turbulence and Transonic Conditions”, ASME-GT-45142, for the Turbo Expo, Vancouver, Canada, Jun 2011.

68. Abraham, S., Panchal, K., Ekkad, S., Ng, W., Brown, B. and Malandra, A., “Effect of Turbine Airfoil Shape on Aerodynamics Losses for Turbine Airfoils Operating Under Transonic Conditions”, ASME-GT-45188, for the Turbo Expo, Vancouver, Canada, Jun 2011.

69. Panchal, K., Abraham, S., Ekkad, S., Ng, W., Brown, B. and Malandra, A., “Investigation of Effect of Endwall Contouring Methods on a Transonic Blade Passage”, ASME-GT-45192, for the Turbo Expo, Vancouver, Canada, Jun 2011.

70. Abraham, S., Panchal, K., Xue, S., Ekkad, S., Ng, W., Malandra, A. and Brown, B., “Experimental & Numerical Investigations of a Transonic, High Turning Turbine Cascade with a Divergent Endwall”, ASME Fluids Engineering Summer Meeting, Proceeding paper no. FEDSM-ICNMM2010-30393, Montreal, Canada, Aug, 2010.

71. Fleming, J., Tweedie, S., Langford, M. and Ng, W.F., “Low Speed Wind Tunnel Testing of the

Honeywell T-Hawk Micro-air Vehicle”, for the AIAA International Powered Lift Conference, Philadelphia, PA, Oct 2010.

72. Wood, E., Vandsburger, U., Ng, W., LePera, S., “Simulated Syngas Ash Deposits on a Flat Plate

Using Teflon and PVC Particles”, ASME-GT-2010-22445, for the Turbo Expo, Glasgow, UK Jun 2010.

73. Reagle, C., Newman, A., Xue, S., Ng, W., Ekkad, S., Moon, H.K. and Zhang, L., “A Transient Infrared Technique for Measuring Surface and Endwall Heat Transfer in a Transonic Turbine Cascade”, ASME-GT2010-22975, for the Turbo Expo, Glasgow, UK, Jun 2010.


74. Ito, T, Ura, H., Nakakita, K., Yokokawa, Y., Ng, W., Burdisso, R., “Aerodynamic/Aeroacoustic testing in Anechoic Closed Test Sections of Low-speed Wind Tunnels”, AIAA-2010-3750, for the Aeroacoustic Conference, Stockholm, Sweden, Jun 2010.

75. Yamamoto, K., Ura,H., Yokokawa,Y., Imamura, T., Nakakita, K., Camargo, H., Remillieux, M.,

Boor, Z., Burdisso, R., Ng, W., Uchida, H., Ito, T., “Aeroacoustic Testing of a High-Lift Device Model in the VaTech Anechoic Wind Tunnel,” 13th CEAS-ASC Workshop & 4th Scientific Workshop of X3-Noise, Bucharest, Romania, Oct 2009.

76. Gunter, S., Guillot, S., Ng, W., and Bailie, S.T., “A 3D Design Study of a Circulation Control Inlet

Guide Vane for a Transonic Compressor,” ASME-GT2009-59360, for the Turbo Expo, Orlando, FL, Jun 2009.

77. Bolchez, T., Nasir, S., Reagle, C., Ng, W. and Moon, H., “ Showerhead Film Cooling Performance

of a Turbine Vane at Low Freestream Turbulence in a Transonic Cascade,” ASME-GT2009-59796, for the Turbo Expo, Orlando, FL, Jun 2009.

78. Ferrari, A.M., O’Brien, W.F., Ng, W.F., Florea, R., Arend, D.J., “Active Control of Flow in

Serpentine Inlets for Blended Wing-Body Aircraft,” AIAA-2009-4901, for the 45th AIAA Joint Propulsion Conference, Denver, CO, Aug 2009.

79. Raben, R., Ng, W.F., and Vlachos, P.P., “The Triple Layer Structure of a Transitional Wall-Jet”,

Meeting of American Physical Society, Nov 2008, San Antonio, TX. 80. Raben, R., Charonko, J., Ng, W.F., and Vlachos, P.P., “Time Resolved DPIV in a Transonic

Turbine Cascade”, ASME IMECE 2008-68097, Nov 2008, Boston, MA. 81. Nasir, S., Bolchoz, T., Ng, W.F., Zhang, L.J., Moon, H.K. and Anthony, R.J., “Showerhead Film

Cooling Performance of a Turbine Vane in a Transonic Cascade”, ASME IMECE 2008-66528, Nov 2008, Boston, MA.

82. Wu, H., Nasir, S., Ng, W.F. and Moon, H.K., “Predicting Showerhead Film Cooling Performance

of a Transonic Vane in a Transonic Cascade using Three-Simulations Techniques”, ASME IMECE 2008-67782, Nov 2008, Boston, MA.

83. Raben, S., Ng, W.F. and Vlachos, P.P., “Spatiotemporal Development of Transitional Wall Jets”,

ASME Fluids Engineering Conference, FEDSM2008-55162, Aug 2008, Jacksonville, FL.

84. Prakash, C., Cherry, D., Shin, H.W., Dailey, L., Beacock, R., Halstead, D., Wadia, A., Guillot, S. and Ng, W. “Effect of Loading Level and Distribution on LPT Losses”, ASME GT2008-50052, Jun 2008, Berlin, Germany.

85. McGlumphy, J., Ng, W.F., Wellborn, S. and Kempf, S., “3D Numerical Investigation of Tandem

Airfoils for a Core Compressor”, ASME GT2008-50427, Jun 2008, Berlin, Germany.

86. Remillieux, M.C., Camargo, H.E., Ravetta, P.A., Burdisso, R.A. and Ng, W.F., “Noise Reduction of a Model-Scale Landing Gear Measured in the Virginia Tech Aeroacoustic Wind Tunnel”, AIAA-2008-2818 for the 14th AIAA/CEAS Aeroacoustic Conference, May 2008, Vancouver, Canada.

87. Graf, W., Fleming, J. and Ng, W., “Improving Ducted Fan UAV Aerodynamics in Forward Flight”,

46th AIAA Aerospace Sciences Meeting, AIAA-2008-0430, Jan 2008, Reno, NV.


88. Nasir, S., Carullo, J., Ng, W., Thole, K., Zhang, L., and Moon, H., “Effects of Large Scale High Freestream Turbulence and Exit Reynolds Number on Vane Heat Transfer in a Transonic Turbine Cascade”, IMECE2007-44098 for the ASME International Mechanical Engineering Congress and Exposition, Nov 2007, Seattle, WA.

89. McGlumphy, J. Ng, W., Wellborn, S. and Kempf, S., “Numerical Investigation of Subsonic Axial-

Flow Tandem Compressor Blades”, IMECE2007-43929 for the ASME International Mechanical Engineering Congress and Exposition, Nov 2007, Seattle, WA.

90. Ng, W. and Nasir, N., “Experimental Investigation of the Effect of High Freestream Turbulence on

the Heat Transfer of a Turbine Vane”, the 9th Asian International Conference on Fluid Machinery, Paper-IL03, Oct 2007, Jeju, Korea.

91. Hill, H., Ng, W., Vlachos, P., Guillot, S., and Bailie, S., “2D CFD Studies Using Different

Turbulence models of a Circulation Control Inlet Guide Vane”, FED SM 2007-37294 for the 5th Joint ASME/JSME Fluids Engineering Conference, July 2007, San Diego, CA.

92. Carullo, J., Nasir, S., Cress, R., Ng, W., Thole, K., Zhang, L. and Moon, H., “Effects of Free Stream

Turbulence and Turbulence Length Scale and Exit Reynolds # on Turbine Blade Heat Transfer in a Transonic Cascade”, GT2007-27859 for the ASME Turbo Expo, May 2007, Montreal, Canada.

93. Hill, H., Ng, W., Vlachos, P., Guillot, S., and Car., “2D Parametric Study Using CFD of a

Circulation Control Inlet Guide Vane”, GT2007-28058 for the ASME Turbo Expo, May 2007, Montreal, Canada.

94. Remillieux, M., Camargo, H., Burdisso, R. and Ng, W., “Aeroacoustic Study of a 26% Scale High

Fidelity Boeing 777 Main Landing Gear in a Semi-Anechoic Windtunnel Test Section”, AIAA-2007-3454 for the 13th AIAA/CEAS Aeroacoustic Conference, May 2007, Rome, Italy.

95. Ravaetta, P., Burdisso, R., Ng, W., “Screening of Potential Landing Gear Noise Control Devices

at Virginia Tech for QTD II Flight Test”, AIAA-2007-3455 for the 13th AIAA/CEAS Aeroacoustic Conference, May 2007, Rome, Italy.

96. Ravaetta, P., Burdisso, R., Ng, W., “Noise Control of Landing Gears using Elastic Membrane-

Based Fairings”, AIAA-2007-3466 for the 13th AIAA/CEAS Aeroacoustic Conference, May 2007, Rome, Italy.

97. Harrison, N., Anderson, J., Ng, W.F. and Fleming, J., “Experimental Investigation of Active Flow

Control of a Boundary Layer Ingesting Serpentine Inlet Diffuser”, AIAA-2007-0843 for the AIAA 45th Aerospace Sciences Meeting, Jan 2007, Reno, NV.

98. Anderson, J., Ng, W.F. and Fleming, J., “A Techniques to Estimate Flow Distortion in Boundary

Layer Ingesting Serpentine Inlets Using Unsteady Wall-Pressure”, AIAA-2007-0841 for the AIAA 45th Aerospace Sciences Meeting, Jan 2007, Reno, NV.

99. Song, B., and Ng, W.F., “The Role of AVDR in Linear cascade Testing”, 2006-ISJPPE-5022, for

the 1St International Symposium on Jet Propulsion and Power Engineering, Sept 2006, Kunming, China.

100. Palmer, M.E., Davis, M.A., Engelbrecht, G.P., Fielder, R.S., Ng, W.F., Song, B., Ringshia, A.,

“Un-cooled Fiber-Optic Pressure Sensor for Gas Turbine Engines, Operation to 1922’F and 500 psig”, AIAA-2006-1123 for the AIAA 44th Aerospace Sciences Meeting, Jan 2006, Reno, NV.


101. Anderson, A., Bailie, S.T., and Ng, W.F., “Acoustic Monitoring of Axial Compressor Rotor Blade

Vibrations”, AIAA-2006-2577 for the AIAA/CEAS Aeroacoustics Conf, May 2006, Cambridge MA.

102. Ravetta, P.A., Burdisso, R.A., and Ng, W.F., “Noise Source Localization and Optimization of

Phased Array Results (LORE)”, AIAA-2006-2713 for the AIAA/CEAS Aeroacoustics Conf, May 2006, Cambridge MA.

103. Ringshia, A.K., Ravetta, P.A., Ng, W.F., and Burdisso, R.A., “Aerodynamic Measurements of the

777 Main Landing Gear Model”, AIAA-2006-2625 for the AIAA/CEAS Aeroacoustics Conf, May 2006, Cambridge MA.

104. Anderson, A., Bailie, S.T., and Ng, W.F., “Acoustic Sensing of Rotor Blade Vibrations for

Monitoring High Cycle Fatigue in Gas Turbine Engines”, Propulsion-Safety and Affordable Readiness Program Review, Mar 2006, Jacksonville FL.

105. Anderson, A., Ng, W.F., Burdisso, R., Truax, P., Miller, D., and Niestroy, M., “A Non-intrusive

Sensing Technique to infer Optimal Flow Control in Serpentine Inlets”, AIAA-2006-0013 for the AIAA Aerospace Sciences Meeting, Jan 2006, Reno NV.

106. Harrison, N., Anderson, A., Fleming, J. and Ng, W.F., “Computational Analysis of Active Flow

Control of a Boundary-Layer Ingesting Serpentine Inlet Diffuser”, AIAA-2006-0874 for the AIAA Aerospace Sciences Meeting, Jan 2006, Reno NV.

107. Langford, M., Burdisso, R. and Ng, W.F., “An Overview of Flow Control for Fan Noise

Reduction”, for Noise-Con 2005, Oct 17-19, Minneapolis, MN.

108. Wang, X., Xu, J., … Ng, W.F., “Verifying an all Fused Silica Miniature Optical Fiber Tip Pressure Sensor Performance with Turbine Engine Field Test,” for the SPIE Optics East Conference, Oct 2005, Boston, MA.

109. Palmer, M., Ringshia, A. and Ng, W.F., “High Temperature, Uncooled Interstage Turbine Pressure

Measurement in Small Gas Turbine Engine,” AIAA-2005-4373 for the AIAA Joint Propulsion Conference, July 2005, Tucson, AZ.

110. Song, B. and Ng, W., “Performance and Flow Characteristics of an Optimized Supercritical

Compressor Stator Cascade,” GT2005-68569 for the ASME Turbo Expo, 2005 Jun, Reno, NV.

111. Kempf, S.G., Guillot S., Ng, W.F., Wellborn, S.R., Chriss R.M., "Numerical Study of Embedded Supersonic Compressor Stages". GT2005-68611 for the ASME Turbo Expo, 2005 June, Reno, NV.

112. Langford, M., Guillot, S., Ng, W., Breeze-Stringfellow, A., Solomon, W., and Estevadeordal, J.,

“Experimental Investigation of the Effects of a Moving Shock Wave on Compressor Stator Flow,” GT2005-68722 for the ASME Turbo Expo, 2005 June, Reno, NV.

113. de la Riva, D., Burdisso, R., and Ng, W., “AFT Fan Noise Control Using Herschel-Quincke/liner

Systems,” AIAA-2005-3071 for the AIAA Aeroacoustics Conference, 2005 May, Monterey, CA.


114. Halasz, C., Arntz, D., Burdisso, R., and Ng, W., “Fan Flow Control for Noise Reduction Part 1: Advanced Trailing Edge Blowing Concepts,” AIAA-2005-3025 for the AIAA Aeroacoustics Conference, 2005 May, Monterey, CA.

115. Langford, M., Minton, C., Ng, W., Estevadeordal, J., and Burdisso, R., “Fan Flow Control for Noise

Reduction Part 2: Investigation of Wake-Filling Techniques,” AIAA-2005-3026 for the AIAA Aeroacoustics Conference, 2005 May, Monterey, CA.

116. Langford, M., Minton, C., Ng, W., Burdisso, R., and Halasz, C., “Fan Flow Control for Noise

Reduction Part 3: Rig Testing of Optimal Design,” AIAA-2005-3027 for the AIAA Aeroacoustics Conference, 2005 May, Monterey, CA.

117. Zhu, Y., Pickrell, G., Wang,X., Xu,B., Han, M., Cooper, K., Wang, A., Ringshia, A., Ng,W.,

“Miniature Fiber-Optic Pressure Sensor for Turbine Engine”, Proc. of SPIE Vol.5590, Sensors for Harsh Environments, Bellingham, WA, 2004.

118. Estevadeordal, J., Guillot, S., Ng, W., Koch, P. Car, D. and Puterbaugh, S., “Benefits of Suction-

Surface Blowing in a Transonic Compressor Stator Vane”, AIAA-2004-2207, for the 2nd AIAA Flow Control Meeting, Portland, OR, Jun 2004.

119. Song, B., and Ng, W., “Influences of Axial Velocity Density Ratio in Cascade Testing of

Supersonic Compressor Blades,” AIAA-2004-3414, for the 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Ft. Lauderdale, FL, July 2004.

120. Song, B., Ng. W., Cotroneo, J.A. and Hofer D. C., “Aerodynamic Design and Testing of Three

Low Solidity Steam Turbine Nozzle Cascades,” GT2004-53329, for the IGTI/ASME Turbo Expo 2004, Vienna, Austria, 14-17 June 2004.

121. Rabe, A.C., Ng, W., and Burdisso, R., “Effectiveness of a Serpentine Inlet Duct Flow Control

Technique at Design and Off-Design Simulated Flight Conditions,” GT2004-53475, for the IGTI/ASME Turbo Expo 2004, Vienna, Austria, 14-17 June 2004.

122. Bailie, S.T., Ng, W., and Copenhaver, W.W., “Experimental Reduction of Transonic Fan Forced

Response by IGV Flow Control,” GT2004-53975, for the IGTI/ASME Turbo Expo 2004, Vienna, Austria, 14-17 June 2004.

123. Nix, A.C., Diller, T.E. and Ng, W., “Experimental Measurements and Modeling of the Effects of

Large-Scale Freestream Turbulence on Heat Transfer,” GT2004-53260, for the IGTI/ASME Turbo Expo 2004, Vienna, Austria, 14-17 June 2004.

124. Smith, A.C., Hatchett, J.H., Nix, A.C., Ng, W., Thole, K.A. and Cunha, F.,

"Effectiveness of Normal Slot Cooling and Angle Slot Cooling,” GT2004-53248, for the IGTI/ASME Turbo Expo 2004, Vienna, Austria, 14-17 June 2004.

125. Ravetta, P., Burdisso, R., and Ng, W., “Wind Tunnel Aeroacoustic Measurements of a 26%-scale

777 Main Landing Gear Model,” AIAA-2004-2885, 10th AIAA/CEAS Aeroacoustics Conference, May 10-12, 2004, Manchester, U.K.

126. Fleming, Olcmen, Burdisso and Ng, “Sensing for Active Flow Control in Advanced Propulsion-

Airframe Integration Systems,” AIAA-2004-1200, for the 42nd AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, Jan. 2004.


127. Esteradeordal, J., Breeze-Stringfellow, A., Langford, M., Guillot, S. and Ng, W.F., “Vortex Scenery in Transonic Cascade,” American Physics Society, Fluid Dynamics Meeting, Newark, NJ, Nov., 2003.

128. Bailie, S.T., Ng. W.F., and Copenhaver, W., “Experimental Reduction of Transonic Fan Forced

Response by IGV Flow Control,” 10th International Symposium on Unsteady Aerodynamics, Aeroacoustics & Aeroelasticity of Turbomachines, Durham, NC, Sept. 2003.

129. Fleming, J., Jones, T., Ng, W.F., Gelhausen, P., and Enns, D., “Improving Control Systems

Effectiveness for Ducted Fan VTOL UAVS Operating in Crosswinds,” AIAA paper 2003-6514, 2nd AIAA Unmanned Unlimited Conference, San Diego, CA, Sept. 2003.

130. Fleming, J., Ng, W.F., and Ghamaty, S., “Thermoelectric Power Generation for UAV

Applications,” AIAA 2003-6092, AIAA International Energy Conversion Engineering Conference, Portsmouth, VA, Aug. 2003.

131. Douglas, J.W., Li, S.M., Bo, S., Ng, W.F., Arima, T. and Sonoda, T., “Effects of Freestream

Turbulence on the Losses of a Highly-Loaded Compressor Stator Blade,” ASME GT2003-38604, ASME Turbo Expo, Atlanta, GA, Jun. 2003.

132. Nix, A., Smith, A.C., Diller, T. and Ng, W.F., “The Unsteady Effect of Passing Shocks on Pressure

Surface versus Suction Surface Heat Transfer in Film-Cooled Transonic Turbine Blades,” ASME GT2003-38530, ASME Turbo Expo, Atlanta, GA, June. 2003.

133. Anderson, J., Burdisso, R., and Ng, W., “Active Flow Distortion Control System for Serpentine

Inlets,” IMECE 2002-NCA-33049 for the ASME 2002 International Mechanical Engineering Conference and Exposition, New Orleans, LA, Nov. 2002.

134. Bailie, S.T., Copenhaver, W.W., Ng. W.F. and Wicks. A.L., “Effects of Flow Control on

Compressor Forced Response,” 7th National Turbine Engine High Cycle Fatigue Conference, Palm Beach Gardens, FL, 14-17 May 2002.

135. Kozak, J.D. and Ng, W.F., “Inlet Guide Vane Trailing-Edge Blowing Flow Control in a Transonic

Turbofan Engine,” 7th National Turbine Engine High Cycle Fatigue Conference, Palm Beach Gardens, FL, 14-17 May 2002.

136. Song, B., Gui, X., Li, S.-M., Douglas, J., and Ng, W.F., “Flow Periodicity Improvement in a High

Speed Compressor Cascade with a Large Turning-Angle,” AIAA 2002-3539 for the 38th AIAA Joint Propulsion Conference & Exhibit, Indianapolis, Indiana, July 2002.

137. Fleming, J.L., Ng. W.F., and Ghamaty, S., “Thermoelectric-Based Power System for UAV/MAV

Applications,” AIAA Paper 2002-3412, Unmanned Aerospace Vehicles, Systems, Technologies, and Operations Conference and Workshop, Portsmouth, VA, May, 2002.

138. Copenhaver,W.W., Estevadeordal,J., Koch,P., Car,D., Ng,W., Guillot,S., and Carter,C., “A Flow

Control System in a High-Turning Stator Cascade”, Poster at AIAA 1st Flow Control Conference, St. Louis, Jun 2002. 2nd price of “Dramatic Effect of Flow Control Benefits”.

139. Nix, A.C., Smith, A.C., Diller, T.E., Ng, W.F., and Thole, K.A., “High Intensity, Large Length-

Scale Freestream Turbulence Generation in a Transonic Turbine Cascade,” ASME-GT-2002-30523 for the ASME Turbo Expo, Amsterdam, Netherlands, June, 2002.


140. Bailie, S.T., Ng, W.F., Wicks, A.L., and Copenhaver, W.W., “Effects of Flow Control on Forced Response and Performance of a Transonic Compressor,” ASME-GT-2002-30008 for the ASME Turbo Expo, Amsterdam, Netherlands, June, 2002.

141. Li, S.-M., Chu, T.-L, Yoo, Y.-S., and Ng, W.F., “Transonic Flow Losses of Two Steam Turbine

Blades at Large Incidences,” ASME-GT-2002-30334 for the ASME Turbo Expo, Amsterdam, Netherlands, June, 2002.

142. Copenhaver, W., Car, D., Koch, P., Estevadeordal, J., Guillot, S., Ng, W., “Basic Research Studies

in Compressor Flow Control”, AIAA Dayton-Cincinnati Aerospace Science Symposium, March 2002.

143. Estevadeordal, J., Copenhaver, W., Car, D., Koch, P., Ng, W., Guillot, S., Carter, C., “Macro- and

milli-DPIV studies of a boundary-layer-based flow-control system for a transonic cascade”, 11th Intl. Symp. On Appl. Of Laser Techniques to Fluid Mechanics, Lisbon, 2002.

144. Esteradeordal, J., Copenhaver, W., Ng, W.F., and Carter, C., “Study of a Flow Control System in

a High Turning Stator Cascade Using DPIV”, for the American Physical Society/Division of Fluid Dynamics meeting, San Diego, Nov. 2001.

145. Rabe, A., Olcmen, S., Anderson, J., Burdisso, R, and Ng, W. “A Facility for Active Flow Control

Research in Serpentine Inlets,” AIAA 2002-0510 for the 40th AIAA Aerospace Sciences Meeting, Reno, NV, 2002.

146. Estevadeordal, J., Copenhaver, W., Ng, W., and Carter, C., “A PIV Study of a Flow Control System

in a High Turning Stator Cascade,” for the 26th AIAA Dayton-Cincinnati Aerospace Science Symposium, 2001.

147. Carter, Guillot, Ng, and Copenhaver, “Aerodynamic Performance of a High-Turning Compressor

Stator with Flow Control,” AIAA paper 2001-3973 for the AIAA 37th Joint Propulsion Conference, Salt Lake City, UT, 2001.

148. Bailie, S.T., Ng. W.F., Burdisso, R.A., Copenhaver, W.W. and Blackwell, C.M., “Reduction of

Transonic Rotor Vibration Using Stator Trailing Edge Blowing,” for the 6th National Turbine Engine High Cycle Fatigue (HCF) Conference, Jacksonville, FL, 2001.

149. Ng, W.F., Burdisso, R.A., "Active Acoustics & Flow Control for Aeropropulsion," AIAA 2001-

0220, for the 39th AIAA Aerospace Sciences Meeting & Exhibit, Reno, NV, 2001.

150. Feng, J., Burdisso, R.A., and Ng, W.F., “Active Flow Control Using Microphone Sensors to Reduce Fan Noise,” AIAA-2000-1993, for the AIAA/CEAS Aeroacoustics Conference, Maui, Hawaii, 2000.

151. Bailie, S.T., Ng, W.F., Burdisso, R.A., Copenhaver, W.W. and Blackwell, C.M., "Wake-Filling

and Reduction of Rotor HCF Using Stator Trailing Edge Blowing," AIAA 2000-3101, for the 36th AIAA/ASME Joint Propulsion Conference and Exhibit, Huntsville AL, 2000.

152. Kozak, J.D. and Ng, W.F., "Investigation of Unsteady Inlet Guide Vane Wakes in an F109

Turbofan Engine," AIAA 2000-3103, for the 36th AIAA/ASME Joint Propulsion Conference and Exhibit, Huntsville AL, 2000.


153. Harper, D.K., Leitch, T.A., Ng, W.F., Guillot, S.A. and Burdisso, R.A., "Boundary Layer Control and Wall-Pressure Fluctuations in a Serpentine Inlet," AIAA 2000-3597, for the 36th AIAA/ASME Joint Propulsion Conference and Exhibit, Huntsville AL, 2000.

154. Chesnakas, C.J., Ng, W.F., "Supersonic Through-Flow Fan Blade Cascade Studies, Part I: Baseline

Cascade," ASME-2000-GT-0493, for the 45th ASME Gas Turbine and Aeroengine Technical Congress, Exposition and Users Symposium, Munich Germany, 2000.

155. Ninnemann, T., Ng, W.F., "Supersonic Through-Flow Fan Blade Cascade Studies, Part II: Riblet

Effects," ASME-2000-GT-0494, for the 45th ASME Gas Turbine and Aeroengine Technical Congress, Exposition and Users Symposium, Munich Germany, 2000.

156. Smith, D.E., Bubb, J.V., Popp, O., Grabowski, H., III, Diller, T.E., Schetz, J.A., Ng, W.F.,

"Investigation of Heat Transfer in a Film Cooled Transonic Turbine Cascade, Part I: Steady Heat Transfer," ASME-2000-GT-0203, for the 45th ASME Gas Turbine and Aeroengine Technical Congress, Exposition and Users Symposium, Munich Germany, 2000.

157. Popp, O., Smith, D.E., Bubb, J.V., Grabowski, H., III, Diller, T.E., Schetz, J.A., Ng, W.F.,

"Investigation of Heat Transfer in a Film Cooled Transonic Turbine Cascade, Part II: Unsteady Heat Transfer, ASME-2000-GT-0202, for the 45th ASME Gas Turbine and Aeroengine Technical Congress, Exposition and Users Symposium, Munich Germany, 2000.

158. Feng, J., Burdisso, R.A. and Ng, W.F., "Active Flow Control Using Microphone Sensors to Reduce

Fan Noise”, AIAA-2000-1993, for the AIAA/CEAS Aeroacoustics Conference, Maui, Hawaii, 2000.

159. Kozak, J.D. and Ng, W.F., "Investigation of IGV Trailing Edge Blowing in an F109 Turbofan Engine," AIAA-2000-0224, for the AIAA Aerospace Sciences Meeting, Reno NV, 2000.

160. Popp, O., Smith, D.E., Bubb, J.V., Grabowski, H.C., III, Diller, T.E., Schetz, J.A. and Ng, W.F., "Steady and Unsteady Heat Transfer in a Transonic Film Cooled Turbine Cascade," ASME 99-GT-259 for the ASME International Gas Turbine and Aeroengine Congress and Exposition, June 1999, Indianapolis IN.

161. Leitch, T.A., Saunders, C.A. and Ng, W.F., "Reduction of Unsteady Stator-Rotor Interaction using Trailing Edge Blowing," AIAA Paper 99-1952 for the 5th AIAA/CEAS Aeroacoustics Conference, May 1999, Seattle WA.

162. Rao, N.M., Feng, J., Burdisso, R.A. and Ng, W.F., "Active Flow Control to Reduce Fan Blade Vibration and Noise," AIAA Paper 99-1806 for the 5th AIAA/CEAS Aeroacoustics Conference, May 1999, Seattle WA.

163. Reid, T. V., Schetz, J. A., Diller, T. E. and Ng, W. F., “A Computational Approach for Investigating Unsteady Turbine Blade Heat Transfer Due to Shock Wave Impact,” ASME-AJTE99-6286, Proceedings of AJTE’99, 5th ASME/JSME Thermal Engineering Joint Conference, March 15-19, 1999, San Diego CA.

164. Xillo, O. C., Schetz, J. A. and Ng, W. F., “A Sampling Probe for Fluctuating Concentration Measurements in Supersonic Flow,” AIAA Paper 99-0519 for the 37th AIAA Aerospace Sciences Meeting, Reno NV, 1999.


165. Deng, J.D., Li, S.M., Xiao, H., Huo, W., Duncan, P., Mclauch, M., Kozak, J., Wang, A., and Ng, W.F., “A Miniature High-Frequency, Temperature-Insensitive Fiber-Optic Pressure Sensor for Gas Turbine Engine Applications,” Proceedings of the International Society for Optical Engineering.—Process Monitoring with Optical Fibers and Harsh Environment Sensors, pp. 111-114, Boston, Ma, 1998.

166. Holmberg, D. G., Diller, T. E., Ng, W. F., “A Frequency Domain Analysis: Turbine Pressure Side Heat Transfer,” ASME 98-GT-152, ASME International Gas Turbine & Aeroengine Congress and Exhibition, Stockholm, Sweden, June 1998.

167. Jacobsen, L. S., Schetz, J. A., and Ng, W. F., “The Flowfield Near a Multiport Injector Array in a Supersonic Flow,” AIAA 98-3126, AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Cleveland OH, July 1998.

168. Nix, A. C., Diller, T. E., Ng, W. F. and Schetz, J. A., “Experimental Evaluation of Heat Transfer Effects of Shock Waves on Transonic Turbine Blades,” ASME 97-WA/HT-1, ASME International Mechanical Engineering Congress & Exposition, Dallas TX, Nov 1997.

169. Holmberg, D. G., Ng, W. F. and Diller, T. E., “A Frequency Domain Analysis: Turbine Leading Edge Region Heat Transfer,” ASME 97-WA/HT-2, ASME International Mechanical Engineering Congress & Exposition, Dallas TX, Nov 1997.

170. Diller, T. E., Ng, W. F. and Schetz, J. A., “Time Resolved Measurements of Turbine Blade Flow Phenomena,” AGARD Conference Proceedings 598—Advanced Non-Intrusive Instrumentation for Propulsion Engines, May 1998.

171. Kozak, J., Hongprapas, S., Moses, B. and Ng, W., “Experimental Investigation of the Buzz Phenomena,” AGARD Meeting, Brussels, Belgium, October 1997.

172. Hale, J. H., Diller, T. E. and Ng, W. F., “Effects of a Wake on Turbine Blade Heat Transfer in a Transonic Cascade,” ASME 97-GT-130 for the International Gas Turbine and Aeroengine Congress and Exposition, Orlando FL, June 2-5, 1997.

173. Nix, A. C., Reid, T., Peabody, H., Ng, W. F., Diller, T. E. and Schetz, J. A., “Effects of Shock

Wave Passing on Turbine Blade Heat Transfer in a Transonic Cascade,” AIAA 97-0160, for the 35th Aerospace Sciences Meeting, Reno NV, 1997.

174. Hongprapas, S., Kozak, J. D., Moses, B. and Ng, W. F., “A Small Scale Experiment for

Investigating the Stability of a Supersonic Inlet,” AIAA 97-0611, for the 35th Aerospace Sciences Meeting, Reno NV, 1997.

175. Osborne, D. J., Jr., Ng, W. F. and Tweedt, D. L., "Experimental and Computational Studies of the

Secondary Flow at the Endwall of a Supersonic Compressor Cascade," AIAA Paper 96-2558 for the AIAA 32nd Joint Propulsion Conference, Lake Buena Vista FL, 1996.

176. Reid, T. V., Ng, W. F. and Lucci, B. L., "Effects of Wake Passing on the Unsteady Heat Transfer

on a Turbine Cascade," AIAA Paper 96-2789 for the AIAA 32nd Joint Propulsion Conference, Lake Buena Vista FL, 1996.

177. Brock, J. S., and Ng, W. F., "A Consistent Direct-Iterative Inverse Design Method for High-Speed

Flow," AIAA Paper 96-0326 for the AIAA 34th Aerospace Sciences Meeting and Exhibit, Reno NV, 1996.


178. Relation, H. L., Battaglioli, J. L. and Ng, W. F., "An Improved k-epsilon Turbulence Model for

Simulating the Nonreacting Flows in Gas Turbine Combustors," Proceedings of the Third Asian-Pacific International Symposium on Combustion and Energy Utilization, Vol. II, pp. 437-442, Hong Kong, Dec 1995.

179. Kiss, T., Ng, W. F. and Mitchell, L. D., "A New Shaft Coupling Design for a High-Speed Rotor

Wheel," Proceedings of the 11th Biennial Conference on Reliability, Stress Analysis, and Failure Prevention, ASME Design Technical Conference, Boston MA Sept 1995.

180. Pande, A., and Ng, W. F., "Effect of Struts on the Aeroacoustics of Axisymmetric Supersonic

Inlets: Part I--Experimental Results," AIAA-95-2887, for the 31st Joint Propulsion Conference, San Diego CA, July 1995.

181. Yamamoto, K., and Ng, W. F., "Effect of Struts on the Aeroacoustics of Axisymmetric Supersonic

Inlets: Part II--Computational Results," AIAA-95-2888, for the 31st Joint Propulsion Conference, San Diego CA, July 1995.

182. Ng, W. F., "High Frequency Instrumentation for Unsteady Compressible Flows," presented at the

First International Conference on Flow Interaction, Hong Kong, September 1994.

183. Holmberg, D.G., Reid, T., Kiss, T., Moses, H.L., Ng, W. F., and Diller, T.E., "Effects of Shock Wave Passage on Heat Transfer in a Transonic Turbine Cascade," ASME Paper 94-GT-179, for the International Gas Turbine and Aeroengine Congress and Exposition, The Hague, Netherlands, June, 1994.

184. Chesnakas, C. J., and Ng, W. F., "Supersonic Through-Flow Fan Blade Cascade Studies, Part I:

Baseline Cascade," NASA CR-194430, for the NASA Workshop on Supersonic Through Flow Technology, Cleveland, OH, Oct. 1993. (Restricted Distribution.)

185. Ninnemann, T. A., and Ng, W. F., "Supersonic Through-Flow Fan Blade Cascade Studies, Part II:

Riblet Effects," NASA CR-194429, for the NASA Workshop on Supersonic Through Flow Technology, Cleveland, OH, Oct. 1993. (Restricted Distribution.)

186. Detwiler, K., Yuan, Z., and Ng, W. F., "Experimental and Numerical Studies of the Aeroacoustics

of Axisymmetric Supersonic Inlets," AIAA Paper 93-4372, for the AIAA 15th Aeroacoustics Conference, Long Beach CA, Oct 1993.

187. Brock, J. S., and Ng, W. F., "Quasi-Analytical Design Shape Prediction using the Euler Equations,"

presented at the Second US National Congress on Computational Mechanics, Washington DC, Aug 1993, published as Interdisciplinary Center for Applied Mathematics, Report 94-12-02, Virginia Tech, Dec. 1994..

188. Alday, J., Osborne, D. J., Morris, M. B., Ng, W. F., and Gertz, J., "Flow Randomness and Tip

Losses in Transonic Rotors," ASME Paper 93-GT-189, for the Int. Gas Turbine and Aeroengine Congress and Expo, Cincinnati OH, 24-27 May 1993.

189. Nuckolls, W. E., and Ng, W. F., "Fan Noise Reduction from a Supersonic Inlet During Simulated

Aircraft Approach," ASME Paper 93-GT-279, for the Int. Gas Turbine and Aeroengine Congress and Expo, Cincinnati OH, 24-27 May 1993.


190. Andrew, P. L., and Ng, W. F., "Turbulence Characteristics in a Supersonic Cascade Wake Flow," ASME Paper 93-GT-348, for the Int. Gas Turbine and Aeroengine Congress and Expo, Cincinnati OH, 24-27 May 1993.

191. Ajmani, K., Ng, W. F., and Liou, M. S., "Preconditioned Conjugate-Gradient Methods for Low-

Speed Flow Calculations," AIAA Paper 93-0881 for the AIAA 31st Aerospace Sciences Meeting, Reno, NV, Jan. 1993.

192. Brock, J. S., and Ng, W. F., "The Baldwin-Lomax Model for Separated and Wake Flows Using an

Entropy Envelope Concept," AIAA Paper 92-0148 for the AIAA 30th Aerospace Sciences Meeting and Exhibit, Reno, NV, Jan 1992.

193. Chesnakas, C. J., Andrew, P. L., and Ng, W. F., "An LDV Evaluation of Particle Lag Prediction

Techniques in Supersonic Flows," Proceedings: 1991 Yokohama International Gas Turbine Congress, Oct 1991, pp. III. 311-318.

194. Bowersox, R. D. W., Ng, W. F., and Schetz, J. A., "Hot-Wire Techniques Evaluated in the Wake

of a 2D Supersonic Compressor Cascade," Proceedings: 1991 Yokohama International Gas Turbine Congress, Oct 1991, pp. III. 303-309.

195. Ng, W. F., "Research Initiation from a Junior Faculty Member's View," Proceedings: ASEE

Annual Conference--Innovation in Engineering Education, June 1991, pp. 1235-1238.

196. Ajmani, K., Ng, W. F., and Liou, M. S., "Generalized Conjugate-Gradient Methods for the Navier-Stokes Equations," AIAA Paper 91-1556 CP for the AIAA 10th Computational Fluid Dynamics Conference, Honolulu, Hawaii, June 1991.

197. Kwok, F. T., Andrew, P. L., Ng, W. F., and Schetz, J. A., "Experimental Investigation of a

Supersonic Shear Layer with Slot Injection of Helium," AIAA Paper 90-0093 for the AIAA 28th Aerospace Sciences Meeting, Reno, NV, Jan. 1990.

198. Ng, W. F., Griffith, D. O., II, "Turbulence Measurements and Noise Generation in a Transonic

Cryogenic Wind Tunnel," the 13th International Congress on Instrumentation in Aerospace Simulation Facilities, W. Germany; Gottingen, Sept 1989, pp. 1-9.

199. Ninnemann, T. A., and Ng, W. F., "A Concentration Probe for the Study of Mixing in Supersonic

Shear Flows," AIAA Paper 89-2459 for the AIAA/ASME/SAE/ASEE 25th Joint Propulsion Conference, Monterey, CA, July 1989.

200. Taylor, A. C., III, Ng, W. F., and Walters, R. W., "Upwind Relaxation Methods for the

Navier-Stokes Equations Using Inner Iterations," AIAA Paper 89-1954 for the AIAA 9th Computational Fluid Dynamics Conference, Buffalo, NY, June 1989.

201. Taylor, A. C., III, Ng, W. F., and Walters, R. W., "An Improved Upwind Finite Volume Relaxation

Method for High Speed Viscous Flows," AIAA Paper 89-0549 for the AIAA 27th Aerospace Sciences Meeting, Reno, NV, January 1989.

202. Ng, W. F., Mitchell, C. R., Ajmani, K., Taylor, A. C., III, and Brock, J. S., "Viscous Analysis of

High Speed Flows Using an Upwind Finite Volume Technique," AIAA Paper 89-0001 for the AIAA 27th Aerospace Sciences Meeting, Reno, NV, January 1989.


203. Clark, R. L., Jr., Ng, W. F., Walker, D. A., and Schetz, J. A., "Large-Scale Structure in a Supersonic Slot-Injected Flowfield," AIAA Paper 88-3055A for the AIAA 24th Joint Propulsion Conference, Boston, MA, July 1988.

204. Ng, W. F., Ajmani, K., and Taylor, A. C., III, "Turbulence Modeling in Hypersonic Inlets," AIAA

Paper 88-2957 for the AIAA 24th Joint Propulsion Conference, Boston, MA, July 1988.

205. Ng, W. F., Gundappa, M., and Peterson, J. B., Jr., "Turbulence Measurements in a Transonic Cryogenic Wind Tunnel," AIAA Paper 88-2026 for the AIAA 15th Aerodynamic Testing Conference, San Diego, CA, May 1988.

206. Walker, D. A., Ng, W. F., and Walker, M. D., "Experimental Comparison of Two Hot-Wire

Techniques in Supersonic Flow," AIAA Paper 88-0422 for the AIAA 26th Aerospace Sciences Meeting, Reno, NV, Jan 1988.

207. Ng, W. F., and Popernack, T. G., Jr., "Combination Probe for Hi-Frequency Unsteady

Aerodynamic Measurements," the 12th International Congress on Instrumentation in Aerospace Simulation Facilities, Williamsburg VA, June 1987, pp. 83-91.

208. Walker, D. A., Ng, W. F., and Walker, M. D., "Hot-Wire Anemometry in Supersonic Shear

Layers," AIAA Paper 87-1372 for the AIAA 19th Fluid Dynamics, Plasma Dynamics and Lasers Conference, Honolulu, HI, June 1987.

209. Taylor, A. C., III, and Ng, W. F., "Analytical Prediction of the Unsteady Lift on a Rotor Caused by

Downstream Struts," ASME Paper 87-GT-145 for the ASME Gas Turbine Conference, Anaheim, CA, June 1987.

210. Kunik, W. G., Benson, T. J., Ng, W. F., and Taylor, A. C., III, "Parametric Study of the Factors

Affecting the Computation of Hypersonic Inlet Flows," AIAA Paper No. 87-0283, AIAA 25th

Aerospace Sciences Meeting, Reno, NV, January 1987.

211. Ng, W. F., "Review-Simultaneous Measurements of Stagnation Temperature and Pressure Using an Aspirating Probe," Proceedings: ASME Symposium on Pressure and Temperature Measurements, Dec 1986, pp. 97-104.

212. Ng, W. F., Watts, M. E., Kurosaka, M., and Graham, J. E., "Time-Resolved Measurements of Total

Temperature and Pressure in a Karman Vortex Street," Bulletin of American Physical Society, Vol. 31, No.10, Nov 1986, p. 1721.

213. Ng, W. F., O'Brien, W. F., and Olsen, T. L., "Experimental Investigation of Unsteady Fan Flow

Interaction with Downstream Struts," presented as Paper AIAA-86-1870 for the AIAA 10th Aeroacoustics Conference, Seattle, WA, July 1986.

214. Ng, W. F., and Rosson, J. C., "A Fast Response Aspirating Probe for Measurements of Total

Temperature, and Pressure in a Transonic Cryogenic Wind Tunnel”, AIAA Paper 86-0126 for the AIAA 24th Aerospace Sciences Meeting, Reno, NV, Jan 1986.

215. Ng, W. F., and Epstein, A. H., "A Quasi-Three-Dimensional Model for Intra-Stator Transport of

Rotor Wakes," Proceedings: ASME International Symposium on Three-Dimensional Flow Phenomena in Fluid Machinery, pp. 103-111, Nov 1985.


216. O'Brien, W. F., Ng, W. F., and Richardson, S. M., "Calculation of Unsteady Fan Rotor Response Caused by Downstream Flow Distortions," AIAA Paper 84-2282 for the AIAA 9th Aeroacoustics Conference, Williamsburg, VA, Oct 1984.

217. Ng, W. F., and Epstein, A. H., "Unsteady Losses in Transonic Compressors," ASME Paper

84-GT-183 for the 29th International Gas Turbine Conference and Exhibit, Amsterdam, The Netherlands, June 1984.

218. Ng, W. F., and Epstein, A. H., "High Frequency Temperature and Pressure Probe for Unsteady

Compressible Flows," published in Bulletin of American Physical Society, Vol. 29, No. 9, Nov 1984, p. 1546.

219. Epstein, A. H., Thompkins, W. T., Kerrebrock, J. L., and Ng, W. F., "Time-Resolved

Measurements in a Low Aspect Ratio Transonic Compressor Stage," ASME Paper 82-GT-201, for the 27th International Gas Turbine Conference and Exhibit, June 1982.

PATENTS Lowe, K.T., Ng, W.F. and Otero, R., “System and method of non-intrusive anemometry” US Patent

Number: 10,281,307, Date of Patent: May 7, 2019. Ng, W. F., Leitch, T. A. and Saunders, C. A., “Method and Apparatus for Reducing High-Cycle-

Fatigue and Suppressing Noise in Rotating Machinery,” U.S. Patent Number: 6,027,305, Date of Patent: February 22, 2000.

SHORT COURSES

“MEMS and Active Flow Control”, von Karman Institute for Fluid Dynamics Lecture Series, Brussels, Belgium, April 2002. "Characteristics and Applications of Cogeneration and Combined Cycles," offered by ASME in the International Gas Turbine Institute Turbo Expo Conference in Orlando FL, 1997, Singapore, Oct 1997. Also, offered by Power-Generation International Conference, Dec 1998, Orlando FL.

"Aircraft Gas Turbine Engines," given at NASA Langley Research Center, Hampton, VA, Aug 1990.

GRADUATE STUDENT/RESEARCH ASSOCIATE/VISITING SCHOLAR SUPERVISION

Completed - 29 PhD (15 are co-advised) 92 Masters (39 are co-advised)

A Ph.D. student received the Student Best Paper Award for the AIAA Aero-acoustic Conference (2019). A Ph.D. student received the American Acoustic Society Royster Student Poster Competition Award (2003). Two doctoral students received the AIAA Gordon C. Oates Air Breathing Propulsion Awards (1987 and 1989). A PhD student received the First Prize of the Paul E. Torgersen Graduate Student Research Excellence Award from Virginia Tech in 1992. A MS student received a research award based on MS thesis from Virginia Tech Sigma Xi Society in 1987. Research Associates: Mr. John Gillespie, 2019-present, with Prof Lowe


Dr. Jaideep Pandit, 2017-2019, with Prof Lowe Dr. Colin Reagle, 2012-2013, with Prof. Ekkad Dr. Xue Song, 2012-2013 Dr. Jason Anderson, 2003-2004, with Prof. Burdisso Mr. Austin Smith, 2002-2004 Dr. Bo Song, 2003-2004 Mr. W. Stinnett, 1998 Mr. T. Leitch, 1997-1998

Dr. J. Fleming, 1997 Dr. T. Ninnemann, 1995-1996 Dr. J. S. Brock, 1994-95

Dr. R. Doughty, 1995 Mr. K. Detwiler, 1994-95 Dr. T. Kiss, 1992-94 Mr. D. J. Osborne, 1993-94 Dr. M. Gundappa, 1987-88

Visiting Scholars: Dr. Z. Li, Xi’an Jiaotong U, China, 2015 Prof. H. Wu, Beijing U. of Aeronautics & Astronautics, China, 2007 Prof. Y. Song, Harbin Inst. of Technology, China, 2007

Prof. X. Gui, Beijing U. of Aeronautics & Astronautics, China, 2001 Prof. S. Li, Huazhong University of Science and Technology, China,

1997-2001 Prof. S. Yoo, Yong-in College, Korea, 1997-1998

Prof. P. Zhuang, Institute of Thermophysics, Beijing, China, 1995-1996 Dr. K. Yamamoto, National Aerospace Lab, Tokyo, Japan, 1994-1995

COURSES TAUGHT Undergraduate: Thermodynamics I

Thermodynamics II Fluid Mechanics

Intro to Thermofluid Engineering Fluid Machinery Design

Engineering Analysis & Design Aircraft Engines & Gas Turbines (new course) Graduate: Advanced Gas Turbines & Propulsion (new course) Advanced Internal Flow SERVICE TO UNIVERSITY, COLLEGE AND DEPARTMENT University: Member of Academy of Teaching Excellence, 2014-present

Serves on committees to select winners for the Alumni Teaching Award and Wine Teaching Award and participates in teaching related committees for the university

Advisory Board, Institute for Critical Technologies and Applied Science, 2003-2006 Member of the University Promotion and Tenure Committee, 1992-94 and 1996-97 Faculty Advisor, Hong Kong Student Club, 2001 College:


Chair of College of Engineering Wine Teaching Award Committee, 2014-2016, 2019-present Member of College Honorifics Committee, 1997-2003, 2011-present Member of the College Promotion and Tenure Committee, 1995-1997 and 2009-2012

Member of Rolls-Royce Facility Investment Committee, 2010 Member of the Dean of Engineering Search Committee, 2002-2003 Chairman of the Executive Committee of the Engineering Faculty Organization, 1993-94

(Represent engineering faculty, participated in weekly meetings with Engineering Dean and Department Heads)

Member of the Executive Committee of the Engineering Faculty Organization, 1991-94 Member of Dean of Engineering Search Committee, 1989-90 Chair of College of Engineering Research Committee, 1991-92 Faculty Advisor, Professional Soc. of Asian Engineers, 1987-1994

Department:

Member of Faculty Activities Report Evaluation Committee, 2019 Chair, Departmental Faculty Recruiting Committee (hiring of two faculties), 2017-2018 Member of Aerospace & Ocean Department Faculty Search Committee, 2010, 2018 Member of Departmental Honorific Committee, 2000-present Member of Departmental Promotion and Tenure Committee, 1989-2009, 2013-2015, 2017-present

Chair, Departmental Promotion and Tenure Committee, 2000-2003 Member of Departmental Faculty Recruiting Committee, 1987-2008, 2013, 2014 Chair, Departmental Honorific Committee, 2016-2017

Member of Departmental Productivity Committee, 2014 Member of Departmental Honors & Awards Committee, 1994-2013

Faculty leader for junior level Fluids class, 2011-2015 Chair, Seminar Coordinating Committee, 2003-2013

Member of Department Space Allocation Committee, 2007-2009 Faculty Advisor, Honors Program, Mechanical Engineering Department, 1994-2008 Member of Department Personnel Committee, 2006 Chair, Department Positioning Plan Committee, 1998-2003

Member of Department Head Evaluation Committee, 1998 Member of Department Head of Mechanical Engineering Search Committee, 1992-93 Member of Departmental Curriculum Committee, 1991-1993

PROFESSIONAL ACTIVITIES

Conference Review Chair, ASME Turbo Expo, 2020, overseeing the reviews of 1500 papers Conference Review Co-Chair, ASME Turbo Expo, 2019, overseeing the reviews of 400 papers Member of the Organizing Committee, International Conference on Fluids & Aerodynamics, 2018-

present. Member of the International Technical Committee, International Conference on Pumps, Fans,

Compressors and Wind Turbines, 2012-present. Member of the International Advisory Committee, International Gas Turbine Congress, Japanese

Gas Turbine Society, Tokyo, Japan, 2007-present. Member of the Scientific Committee, International Symposium on Jet Propulsion & Power

Engineering, 2006-present Member of the Scientific Committee, Asian International Conf on Fluid Machinery, 2007-present Associate Technical Editor, ASME J. of Turbomachinery, 2004-2013 Session Organizer and Vanguard Chair for the ASME International Gas Turbine Aeroengine

Congress and Exposition, 1987-present Chair, Aircraft Engines Committee, ASME International Gas Turbine Institute, 2016-2018 Associate Editor, AIAA J., 2004-2007


Program Chair, for the ASME International Gas Turbine Institute Turbo Expo ’99, Indianapolis IN Member-at-Large, ASME Operating Board of the Environment and Transportation Technical

Group, 1996-1998 Member-at-Large, ASME Board of Professional Development, 1996-1998 Chairman, ASME Aerospace Division, (membership 15,000), 1993-1994 Chairman, ASME Task Force on the US National Aerospace Plane Program, 1993

(Gave expert testimony to US Congress) Member, AIAA Airbreathing Propulsion Technical Committee, 1991-93 Associate Technical Editor, ASME J. of Fluid Engineering, 1993-96 Associate Editor, AIAA J. of Propulsion and Power, 1992-1994 Technical Program Co-chairman for the AIAA/ASME/SAE Joint Propulsion Conference and

Exhibit, 1992 Session Organizer for the ASME International Mechanical Engineering Congress and Exposition,

1994-1998 Session Chairman for several international conferences held in Hong Kong and Tokyo, Japan,

1989-1996 Session Organizer for the AIAA/ASME/SAE Joint Propulsion Conferences, 1986-1997

Reviewer: National Science Foundation’s proposals

Army Research Office’s proposals Department of Energy’s proposals AIAA Journal AIAA J. of Propulsion and Power ASME J. of Engineering for Gas Turbines and Power ASME J. of Turbomachinery ASME J. of Fluid Engineering

PROFESSIONAL MEMBERSHIPS

American Society of Mechanical Engineers, Fellow, 1996 Executive Committee Member, Aerospace Division (90-95) Chairman, Propulsion Committee, Aerospace Division (91-92)

Member, Heat Transfer, Turbomachinery & Education Committees, International Gas Turbine Institute

American Institute of Aeronautics and Astronautics, Fellow, 2019 Member, Airbreathing Propulsion Technical Committee (91-93)

American Society for Engineering Education Registered Professional Engineer in Virginia (License No: 0402 018249) Sigma Xi, Tau Beta Pi, Pi Tau Sigma

PERSONAL

Marital Status: Married, wife Lucy; two daughters US Security Clearance: Secret Hobbies: golf, fishing, rock climbing, certified scuba diver Served as a juror for the Circuit Court of Montgomery County, Virginia.

January 2020


SPONSORED RESEARCH AT VIRGINIA TECH 1. “Center of Turbomachinery & Propulsion Research,” Rolls-Royce Corp, Jan 04-Dec 19, $210K, PI,

responsible for 100%. 2. “Thrust sensing using acoustic tomography”, Rolls-Royce, Jan 2018-Dec 2019, $265K, PI, responsible

for 50%, Co-PI: Lowe. 3. “Experimental study on film cooling & heat transfer on the endwall platform of a turbine nozzle”,

Solarturbine/Caterpillar, Jul 2016-Mar 2020, $460K, PI, responsible for 100%. 4. “Ultra-miniature, ultra-high temperature sapphire sensors for power generation”, Commonwealth

Research Commercialization Fund, Aug 2018-Oct 2019, $100K, PI, responsible for 50%, Co-PI: Zhu. 5. “Self-calibrating, conformal nano-membrane based pressure sensors for embedded sensing

applications”, Nanosonic Inc/AFOSR STTR, Aug 2018-Sept 2019, $45K, PI, responsible for 100%. 6. “Wireless networked cryogenic & minimum pressure sensors”, Nanosonic Inc/NASA Stennis Research

Center STTR, Aug 2018-Sept 2019, $30K, PI, responsible for 100%. 7. “Diagnostic tools for high velocity testing & analysis”, Nanosonic Inc/NASA Ames Research Center

SBIR, Jun 2016-Apr 2019, $120K, PI, responsible for 100%. 8. “High frequency interchangeable pressure & temperature sensors for ballistic systems”, Nanosonic

Inc/Army SBIR, Aug 2018-Jan 2019, $30K, PI, responsible 100%. 9. “Turbulence development in non-uniform supersonic jets for supersonic jet noise reduction”, ONR,

Jun 2016-Dec 2018, $518K, PI, responsible for 50%, Co-PI: Lowe. 10. “Cobra probe abrasion test”, Rolls-Royce, Jan-Dec 2018, $35K, PI, responsible for 50%, Co-PI: Lowe. 11. “Film cooling heat transfer”, Rolls-Royce, Sept 2017-April 2018, $60K, PI, responsible for 50%, Co-

PI: Pandit. 12. “High sensitivity semiconductor sensor skins for multi-axis surface pressure characterization”,

Nanosonic Inc/NASA Armstrong RC STTR, May 2016-Apr 2018, $100K, PI, responsible for 100%. 13. “Effect of sand on the performance of a cobra probe”, Rolls-Royce, Jul 2017-Dec 2017, $90K, PI,

responsible for 50%. Co-PI, Ekkad. 14. “Measurements of flowfields in combustor swirl cups”, Roll-Royce, Sept 2017-Dec 2017, $40K, PI,

responsible for 50%, Co-PI: Lowe. 15. “Advanced diagnostics development”, Rolls-Royce, Jan 2014- Dec 2017, $1,084K, PI, responsible for

25%. Co-PIs, Ekkad, Lowe, and Lin. 16. “Sand ingestion effects on turbine components”, Rolls-Royce, Jan 2014-Jul 2017, $470K, PI,

responsible for 50%. Co PI: Ekkad 17. “Semiconductor nano-membrane based sensors for high frequency pressure measurements”, Nanosonic

Inc/AFOSR STTR, Jun 2015-Aug 2017, $225K, PI, responsible for 100%. 18. “Embedded intelligent sensor systems”, Nanosonic Inc/NASA Stennis RC STTR, Jun 2016-Jun 2017,

$30K, PI, responsible for 100%. 19. “Time-resolved Doppler Global Velocimetry for full scale plume characterization”, ONR DURIP, Aug

2015-Jul 2016, $220K, PI, responsible for 50%, Co-PI: Lowe. 20. “Flight Test & Measurement”, Nanosonic Inc/NASA Armstrong RC, Jun-Dec, 2015, $20K, PI,

responsible for 100%. 21. “3D endwall turbine cascade testing”, Honeywell Aerospace, Jan-Dec 2015, $150K, PI, responsible for

33%, co-PIs, Lowe, Ekkad. 22. “Heat transfer study for turbine endwall”, Solarturbine/Caterpillar, Feb 2014-Jun 2015, $175K, PI,

responsible for 100%. 23. “Fiber optics sensors testing”, Nanosonic Inc/AFOSR STTR, Jan 2014-Oct 2014, $45K, PI, responsible

for 100%. 24. “Semiconductor nanomembrane based flight sensors and arrays”, Nanosonic Inc/NASA Armstrong RC

SBIR, Jul 2013 to Jun 2014, $50K, PI, responsible for 100%. 25. “Sand ingestion effects on turbine components”, Rolls-Royce/Virginia Initiative, Jan 2010-Dec 2013,

$679K (cost-share ~50%), PI, responsible for 33%. Co PI: Ekkad, Tafti.


26. “Rolls-Royce-VT advanced diagnostics development”, Rolls-Royce, Jan to Dec 2013, $250K (cost share ~30%), PI, responsible for 20%. Co-PIs, Ekkad, Lowe, Lin, Vandsburger.

27. “3D endwall turbine cascade testing”, Honeywell Aerospace, Dec 2012 to Dec 2014, $237K, responsible for 50%, PI, Co-PI, Ekkad.

28. “High Turning Airfoil Cascade Testing with and without Endwall Contouring”, Siemens Power Generation, Inc, May 08- Sept 13, $903K, PI, responsible for 50%. Co-PI, Dr. Ekkad

29. “Time-resolved volumetric doppler velocimetery development and experiments for volumetric flow field aeroacoustics correlations in square supersonic jets”, ONR, Aug 11 to Jul 14, $307K, co-investigator, PI, Lowe.

30. “Heat Transfer Study of the Tip Leakage Flow of a Turbine Blade in a Transonic Cascade”, Solar Turbines/Caterpillar Inc, Jan 11-Feb 14, $371K, PI, responsible for 100%.

31. “Virginia Space Grant Consortium—Aerospace Undergraduate Research Scholarships”, Jun 96-Aug 13, $65K, PI, responsible for 100%

32. “Cascade testing of airfoil geometries”, Elliott Group, Jun 12-Jan 14, $150K, PI, responsible for 50%, Co-PI, Ekkad.

33. “Testing of aircraft carrier deck heat pipe device”, Cellular Materials International, Inc/UVa, Aug 11-Apr 13, $347K, PI, responsible for 50%, Co-PI, O’Brien.

34. “Augmentor Development-a joint effort towards next generation augmentor design”, Rolls-Royce Corp, Jun 11- Dec 12, $518K, PI, responsible for 20%. Co-PIs, Ekkad, Lowe, Lin, Vandsburger.

35. “Improving the Aerodynamics of a Gas Turbine Diffuser”, Solar Turbines/Caterpillar Inc, Jan 11- Dec 12, $75.5K, PI, responsible for 100%.

36. “Virginia Space Grant Consortium-Aerospace Graduate Fellowship”, May 11-May 12, $5K, PI, responsible for 100%.

37. “Applications of Fiber Optic Sensors in an Aircraft Engine,” Luna Innovations, Jan-Dec 2010, $120K, PI, responsible for 100%.

38. “Comparison of Heat Flux Sensor and Transient IR Thermography Technique for Film Cooling in a Transonic Cascade,” P&W, Jul-Dec 08, $39K, PI, responsible for 50%. Co-PI: Dr. Ekkad (50%).

39. “Effect of Film Cooling on the Heat Transfer of a Transonic Turbine Blade and Vane,” Solar Turbines/Caterpillar, Inc, Jul 06-Dec 10, $345K, PI, responsible for 100%.

40. “Manufacturing Perturbation Impact on Compressor Blade Element Performance”, Rolls-Royce Corp, Jan 08- Dec 10, $120K, PI, responsible for 100%.

41. “Syngas particulate Deposition and Erosion at the Leading Edge of a Turbine Blade with Film Cooling”, DOE-UTSR, Aug 07-Sept 10, $507K, PI, responsible for 33%. Co-PI, Drs. Tafti and Vandsburger.

42. “Robust Design for Embedded Engine Systems”, NASA Glenn RC/UTRC, Sept 07-Aug 08, $204K, PI, responsible for 50%. Co-PI, Dr. O’Brien (50%).

43. “Aeroacoustic Testing for a High Lift Device,” Japan Aerospace Exploration Agency, May 07-May 08, $106K, PI, responsible for 50%. Co-PI, Dr. Burdisso (50%).

44. “Subsonic Splittered Rotor Design & Analysis,” Rolls-Royce Corp, Sept 04-Dec 07, $282K, PI, responsible for 100%.

45. “Effects of Leading Edge Film-cooling and Surface Roughness on Downstream Film-cooling Along a Transonic Turbine Blade for Low and High Free-stream Turbulence,” AFOSR, Apr 06- Nov 07, $100K, PI, responsible for 33%. Co-PI: Drs. Thole and Vlachos.

46. “Experimental Measurements of Vanes/Saddle Effects on a Turbine Engine,” Rolls-Royce Corp, Mar 06- Dec 07, $60K, PI, responsible for 100%.

47. “Off-design Performance of Stator Blades with Serrated Leading Edge,” General Electric Aircraft Engines, Jul 05-Jun 06, $25K, PI, responsible for 100%.

48. “Fiber Optic Sensors for Turbine Engine Monitoring,” Prime Photonics LC and Pratt & Whitney, Jun 05-May 06, $35K, PI, responsible for 100%.

49. “Effects of Freestream Turbulence on the Heat Transfer of a Transonic Turbine Blade and Vane,” Solar Turbines/Caterpillar Inc, Nov 04-May 06, $195K, PI, responsible for 50%. Co-PI: Dr. Thole.


50. “Control of Landing Gear Noise,” NASA Langley RC, Apr 02-Dec 06, $470K PI, responsible for 50%. Co-PI: Dr. R.A. Burdisso.

51. Virginia Space Grant Consortium—Aerospace Graduate Research Fellowships, Aug 01-Jul 07, $25K responsible for 100%.

52. “Advanced Trailing Edge Blowing Strategies for Noise Control of Turbofan Engines,” Techsburg, Inc., Apr. 03 to Jul. 05, $150K, respon

53. sible for 50%. Co-PI: Dr. R. Burdisso. 54. “Fan Noise Control Using Herschel-Quincke Resonators” NASA Glenn Research Center, Dec. 01 to

May 05, $295K, responsible for 50%. Co-PI: Dr. Burdisso. 55. “A Microphone Sensing Technique for Active Flow Control of Serpentine Inlet Flow Distortion,”

Lockheed Martin Corp., Feb 04-Jan 05, $15K, PI, responsible for 50%. Co-PI: Dr. Burdisso. 56. “Microcircuit Slot Testing in Transonic Cascade Tunnel,” Pratt & Whitney, July-Dec 04, $106K, PI

responsible for 100%. 57. “Engine Testing for High Temperature Fiber Optic Based Sensors,” Luna Innovations, Dec. 01-Dec.

04, $150K responsible for 100%. 58. “Aerodynamic Performance of Optimized Steam Turbine Blades,” GE Power Systems, Jun 02–Dec.

02, $70K, PI, responsible for 100%. 59. “Mach Number Effects on Slot Cooling,” Pratt & Whitney, Jun 02-Dec 03, $115K, PI responsible for

50%. Co-PI: Dr. K. Thole. 60. “Sensing and Active Flow Control for Propulsion—Airframe Integration,” Techsburg, Inc., Feb-Sept

02, $33K, responsible for 50%. Co-PI: Dr. Burdisso. 61. “Flow Control for Highly Loaded Transonic Fan for Improved Efficiency & Noise Reduction,”

Techsburg Inc, Nov. 01 – Nov. 02, $34k, responsible for 50%. Co-PI: Dr. Burdisso. 62. "Compressor Cascade Testing," Honda R&D Co. Ltd., May 99-Dec. 02, $510K. PI, responsible for

100%. 63. “Effects of High-Free-Stream Combustor Turbulence on the Unsteady Heat Transfer in Film-Cooled

Transonic Turbine Blades,” AFOSR, Feb 01-Dec 02, $181K. PI, responsible for 50%. Co-PI: Dr. T.E. Diller.

64. “Active and Passive Blade Vibration Control Using MEMS,” NASA Lewis RC, Dec 97–Nov 00, $300K, PI, responsible for 50%. Co-PI: Dr. R.A. Burdisso.

65. “Turbine Engine Control Using MEMS for Reduction of High-Cycle-Fatigue,” AFOSR, Jul 97–Jun 00, $600K, PI, responsible for 33%, Co-PIs, Drs. T.A. Rappaport, R.A. Burdisso.

66. “Effects of Shock on the Film Cooling Heat Transfer in Transonic Turbine Blades,” AFOSR, Oct 99–Nov 00, $30K. PI, responsible for 50%, Co-PI: Dr. T.E. Diller.

67. "Effects of Shock and Turbulence on the Film Cooling Heat Transfer in Transonic Turbine Blades," AFOSR, Sept 96-Sept 00, $384K. PI, responsible for 50%. Co-PI: Dr. T. E. Diller.

68. “Cascade Test for a Converging-Diverging Blade Section,” Siemens-Westinghouse Power Corp, Aug 98-Mar 99, $53K. PI, responsible for 100%.

69. “A High Speed Motion Analyzer for Research on the Effects of Shock on the Aerodynamic Forcing of Transonic Turbine Blades,” AFOSR March 1997-Feb 1998, $100K, PI, responsible for 100%.

70. “NASA Graduate Student Researchers Program (Underrepresented Minority Focus) - Turbine Aerodynamics and Heat Transfer", NASA Lewis Research Center, June 1994-June 1997, $66K. PI, responsible for 100%

71. "Instrumentation for Supersonic Mixing Flows," WPAFB, Jun 96-Jun 98, $160K. PI, Responsible for 50%. Co-PI: Dr. J. A. Schetz.

72. "Heat Transfer in Aerospace Propulsion Devices," Virginia Space Grant Consortium, Jun 96-May 98, $18K. PI, Responsible for 100%.

73. "Aeroacoustics of a 2D Bifurcated Supersonic Inlet," NASA Lewis RC, Oct 93-Dec 97, $479K. PI, Responsible for 100%.

74. "Experimental and Numerical Studies of Unsteady Heat Transfer in a Transonic Turbine", DoD-Augmentation Awards for Science and Engineering Research Training (AASERT), July, 1994-June, 1996, $78K. PI, responsible for 100%.


75. "Unsteady Aerodynamic & Heat Transfer Studies in a Highly-Loaded Transonic Turbine Rotor Cascade with Simulated Shock/Wake Passing," AFOSR, Dec 92-Nov 95, $440K. PI, responsible for 33%. Co-PIs: Dr. H. L. Moses and Dr. T. E. Diller.

76. "Noise Predictions for High-Speed Civil Transport," NASA Langley RC, Apr 90 - Dec 94, $266K. PI, responsible for 100%.

77. "Time-Resolved Measurements for the Understanding of Multistage Compressor Flow Physics," NASA Lewis RC, Dec 90 - Dec 93, $112K. PI, responsible for 100%.

78. "Application of Artificial Intelligence to Computational Fluid Dynamics," GE CR&D Center. Aug 92-Dec 92, $11K. PI, responsible for 100%.

79. "The Use of Riblets to Reduce Drag in a Supersonic Throughflow Cascade," NASA Lewis RC, Nov 91-Jan 95, $181K. PI, responsible for 100%.

80. "Detailed Time-Resolved Measurements of Dynamic Flow Quality in the National Transonic Facility," NASA Langley RC, Sept 84 - Jan 94, $465K. PI, responsible for 100%.

81. "NASA Graduate Student Researchers Program--Computational Fluid Dynamics Research in Aeropropulsion," NASA Lewis RC, July 89 - July 93, $84K. PI, responsible for 100%.

82. "High-Speed Propeller and Ducted Fan Acoustic Research," NASA Langley RC, Oct 91-Sept 92, $74K. PI, responsible for 15%. Co-PI: Dr. C. R. Fuller.

83. "Conjugate Gradient Methods for the Navier-Stokes Equations," NASA Lewis RC, Nov 90-Oct 91, $30K. PI, responsible for 100%.

84. "Time-Resolved Measurements of Stagnation Temperature and Pressure in the Fan Rotor Test Facility," Pratt & Whitney Aircraft, May 89 -Aug 90, $87K. PI, responsible for 100%.

85. "LDV Measurements in a Supersonic Throughflow Compressor Cascade," NASA Lewis RC, Oct 89 - Sept 91, $83K. PI, responsible for 100%.

86. "Turbulence Modeling in High-Speed Flows," NASA Lewis RC, Apr 89 -Mar 90, $25K. PI, responsible for 100%.

87. "Experimental Studies of the Flowfields in a Supersonic Throughflow Compressor Cascade," NASA Lewis RC, Oct 87 - Sept 89, $190K. PI, responsible for 75%. Co-investigator: Dr. J. A. Schetz.

88. "Turbulence Measurements in High-Speed Shear Flows," Applied Physics Lab., Johns Hopkins University, June 86 - Sept 89, $249K. PI, responsible for 33%. Co-PIs: Drs. J. A. Schetz and D. A. Walker. Additional support from NASA Langley RC, Apr 87 - Mar 88, $75K. PI, responsible for 33%. Co-PIs: Drs. J. A. Schetz and D. A. Walker.

89. "Cold Flow Studies of Mixing at Supersonic Speeds," Pratt & Whitney Aircraft, Feb 89 - Aug 89, $35K. PI, responsible for 33%. Co-PIs: Drs. J. A. Schetz and L. A. Roe.

90. "3D Enhancement of Slot Injection Mixing at Supersonic Speeds," Pratt & Whitney Aircraft, Apr 88 - Mar 89, $100K. PI, responsible for 33%. Co-PIs: Drs. J. A. Schetz and L. A. Roe.

91. "NASA Graduate Student Researchers Program--Numerical Simulation of High-Speed Flows," NASA Lewis RC, June 86 - June 89, $54K. PI, responsible for 100%.

92. "Analysis and Performance Prediction of Hypersonic Inlets," NASA Lewis RC, Dec 85 - Dec 88, $76K. PI, responsible for 100%.

93. "Time-Resolved Stagnation Temperature and Pressure Measurements Behind a Circular Cylinder," AFOSR/UTSI, Aug 85 - Dec 86, $66K. PI, responsible for 100%.

94. "Experimental and Analytical Investigation of Fan Flow Interaction with Downstream Struts," NASA Langley RC, June 84 - Sept 86, $40K. PI, responsible for 95%. Co-investigator: Dr. W. F. O'Brien.

Summary: At VaTech, Ng’s is responsible for total research contracts and grants of $16,535K, of which his personal share is $12,550K.


PhD Students of Dr. W. F. Ng 1. Daniel, K., “Space-time description of supersonic jets with thermal non-uniformity”, Nov 2019. (co-

advisor: Dr. Lowe). 2. Mayo, D., “The turbulence structure of heated supersonic jets with offset total temperature non-

uniformities”, Jul 2019. (Co-advisor: Dr. Lowe). 3. Boulanger, A., “Experimental investigation of microparticle sand sticking probability from 1000’C to

1100’C”, December 2017. (Co-advisor: Dr. Ekkad). 4. Otero, R., “Compressible flow characterization using non-intrusive acoustic measurements”,

September, 2017. (Co-advisor: Dr. Lowe). 5. Arisi, A.N., “Heat transfer and flow characteristics on the rotor tip and endwall platform regions in a

transonic turbine cascade”, Dec 2015. 6. Blanchard, R., “Modeling bluff-body flameholders: On the use of proper orthogonal decomposition for

combustion dynamics validation”, April 2014. (Co-advisor: Dr. Vandsburger). 7. Delimont, J., “Experimental investigation of microparticle sand rebound characteristics at gas turbine

representative temperatures”, April 2014. (Co-advisor: Dr. Ekkad). 8. Roy, A., “Heat transfer performance of a transonic turbine blade passage in presence of upstream slot

and mateface gap with endwall contouring”, Jan 2014. (Co-chaired with Ekkad). 9. Reagle, C., “Technique for Measuring the Coefficient of Restitution for Microparticle Sand Impacts at

high temperature for turbomachinery applications”, Dec 2012. (Co-advisor: Dr. Ekkad). 10. Xue, S., “Fan-shaped hole film cooling on turbine blade and vane in a transonic cascade with high

freestream turbulence: experimental and CFD studies”, Aug 2012. (Co-advisor: Dr. Ekkad). 11. Panchal, K., “Development of a robust numerical optimization methodology for turbine endwalls &

effect of endwall contouring on turbine passage performance”, Oct 2011. (Co-advisor: Dr. Ekkad). 12. Abraham, S., “Aerodynamic performance of high turning airfoils and the effect of endwall contouring

on turbine performance”, Aug 2011. (Co-advisor: Dr. Ekkad). 13. Nasir, S., “Shower head Film Cooling Performance of a Turbine Vane at High Freestream Turbulence

in a Transonic Cascade”, Aug 2008. 14. McGlumphy, J., “Numerical Investigation of Subsonic Axial-Flow Tandem Airfoils for a Core

Compressor,” Feb 2008. 15. Ravetta, P.A., “LORE Approach for Phased Array Measurements and Noise Control of Landing

Gears,” December 2005. (Co-Advisor: Dr. R. Burdisso). 16. Song, B., “Experimental and Numerical Investigations of Optimized High-Turning Supercritical

Compressor Blades,” November 2003. 17. Bailie, S.T., “Effects of Inlet Guide Vane Flow Control on Forced Response of a Transonic Fan,”

October 2003. 18. Rabe, A., “Effectiveness of a Serpentine Inlet Duct Flow Control Scheme at Design and Off-Design

Simulated Flight Conditions,” August 2003. (Co-Advisor: Dr. R. Burdisso). 19. Anderson, J., “Non-intrusive Sensing and Feedback Control of Serpentine Inlet Flow Distortion,” May

2003. (Co-Advisor: Dr. R. Burdisso). 20. Nix, A., “Effects of High Intensity, Large-Scale Freestream Combustor Exit Turbulence on Heat

Transfer in Transonic Turbine Blades,” May 2003. (Co-Advisor: Dr. T. Diller). 21. Kozak, J., "Investigation of Inlet Guide Vane Wakes in the Presence of a Subsonic and Transonic Fan

in a F109 Turbofan Engine with and without Flow Control," Aug. 2000. 22. Popp, O., "Steady and Unsteady Heat Transfer in a Film-Cooled Transonic Turbine Cascade," July

1999. 23. Reid, T. R., “A Computational Approach for Investigating Unsteady Turbine Heat Transfer Due to

Shock Wave Impact,” Dec 1998. 24. Ninnemann, T. A., "Effects of Riblets on the Performance of the Supersonic Throughflow Fan Cascade

Blades," October 1994. 25. Brock, J. S., "A Consistent Direct-Iterative Inverse Design Method for the Euler Equations," August

1993.


26. Andrew, P. L., "Experimental and Numerical Investigations of the Off-design Flow Physics in a Supersonic Through-Flow Fan Cascade," September 1992.

27. Ajmani, K., "Preconditioned Conjugate Gradient Methods for the Navier-Stokes Equations," Nov 199 28. Chesnakas, C. J., "Experimental Studies in a Supersonic Through-Flow Fan Blade Cascade," May

1991. 29. Taylor, A. C., III, "Convergence Acceleration of Upwind Relaxation Methods for the Navier-Stokes

Equations," July 1989. MS Students of Dr. W. F. Ng 1. Sibold, R. “The effect of density ratio on steep injection angle purge jet cooling for a converging

nozzle guide vane endwall at transonic conditions”, Aug 2019. 2. Boggs, G. “Turbine engine thrust measurements using a non-intrusive acoustic technique”, May

2019. Co-chaired with Dr. Lowe. 3. Bogdan, M., “Time constant of 3-hole yaw pressure probes from 5 micron sand fouling at 1050’C”,

Master of Engineering, May 2019. 4. Turner, E., “Measurement drift in 3-hole yaw pressure probes from 5 micron sand fouling at 1050’C”,

Aug 2018. 5. La Rosa, R., “Effects of backside cooling with low L/D ratios on heat transfer coefficient and

adiabatic film cooling effectiveness”, Jun 2018. 6. Nguyen, V., “Onset of Arizona road dust deposits in high temperature environment on a cooled

Hastelloy-X surface”, May 2018. Co-chaired with Ekkad. 7. Luehr, L., “Step misaligned & purge cooled nozzle guide vanes at transonic conditions: endwall heat

transfer”, Feb 2018. 8. Daniel, T., “High resolution scattering measurements for stationary particles”, Master of Engineering,

Nov 2017. Co-chaired with Lowe. 9. Gillespie, J., “Aerodynamics of a transonic turbine vane with a 3D contoured endwall, upstream purge

flow, and a backward-facing step”, Jul 2017. Co-chaired with Lowe. 10. Lee, Y., “Aerodynamic investigation of upstream misalignment over the nozzle guide vane in a

transonic cascade”, May 2017. 11. Stuber, M., “Investigation of noise sources in the three-stream jets using turbulence characteristics”,

Feb 2017. Co-chaired with Lowe. 12. Hutchison, J., “Experimental investigations of the onset of sand deposits on Hastelloy-X between

1000’C and 1100’C”, Oct 2016. Co-chaired with Ekkad. 13. Kim, C., “Algorithms for tomographic reconstruction of rectangular temperature distributions using

orthogonal acoustic rays”, Aug 2016. Co-chaired with Lowe. 14. Mayo, D., “The Effect of Combustor Exit to Nozzle Guide Vane Platform Misalignment on Heat

Transfer over an Axisymmetric Endwall at Transonic Conditions”, May 2016. 15. Patel, H., “Experimental investigation of initial onset of sand deposition in the turbine section of gas

turbines”, June 2015. Co-chaired with Ekkad. 16. Barboza, K., “A diagnostic technique for particle characterization using laser light extinction”, April

2015. Co-chaired with Ekkad. 17. Peterson, K., “Experimental investigation of the aerodynamics of a transonic turbine blade in a cascade

with 3D contoured endwall geometries”, Feb 2015. Co-chaired with Ekkad. 18. Brennan, S., “Experimental investigation of the aerodynamics of a nozzle guided vane in a cascade

with 3D contoured endwall geometries”, Aug 2014. Co-chaired with Ekkad. 19. Guilliam, H., “Investigation of aerodynamics profile losses for a low reaction steam turbine blade”, Jan

2014. Co-chaired with Ekkad. 20. Phillips, J., “Experimental study of the heat transfer on a squealer tip transonic turbine blade with purge

flow”, Dec 2013. 21. Murdock, M., "Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact

Velocity", Dec 2013. Co-chaired with Ekkad.


22. Jain, S., “Aerodynamics performance of a transonic turbine blade passage in presence of upstream slot and mateface gap with endwall contouring”, Nov 2013. Co-chaired with Ekkad.

23. Nunes, B.R., “Numerical Loss Prediction of High Pressure Steam Turbine Rotor Airfoils”, Sept 2013. Co-chaired with Ekkad.

24. Blot, D.M., “Aerodynamics of endwall contouring with discrete holes and an upstream purge slot under transonic conditions with and without blowing”, Dec 2012. Co-chaired with Ekkad.

25. Bressers, S., “Mobile vertical takeoff and landing exhaust test facility: design & development”, May 2012. Co-chaired with O’Brien. Master of Engineering degree.

26. Anto, A., “Effects of tip gap and exit Reynolds number on turbine blade tip and near tip heat transfer”, May 2012.

27. Samal, N., “A wind tunnel facility for the evaluation of a land-based gas turbine diffuser-collector”, Dec 2011. Co-chaired with Dancey and Lowe.

28. Larson, C.W., “The design & construction of a 20”x20” Mach 2.0 wind tunnel to characterize the lift and drag of irregularly shaped fragments”, April 2011. Co-chaired with Dancey.

29. Wood, E.J., “Simulated Syngas Ash Deposition on the Leading Edge of a Turbine Vane with Film Cooling”, September 2010. Co-chaired with Vandsburger.

30. Stover, M.A., “Loading & loss comparison of two high turning transonic blade designs”, May 2010. Co-chaired with Ekkad. Master of Engineering degree.

31. Newman, A., “Performance of a showerhead and shaped hole film cooled vane at high freestream turbulence and transonic conditions”, May 2010. Co-chaired with Ekkad.

32. Reagle, C.J., “A Comparison of Heat Transfer Measurements Using Thin-Film Gauges and Infrared Thermography on a Film Cooled Transonic Vane”, May 2009. Co-chaired with Ekkad.

33. De Losier, C.R., “Effects of Manufacturing Deviations on Core Compressor Blade Performance”, Feb 2009.

34. McFarland, J.A., “Conceptual Design & Instrumentation Study of a 2D, Linear, Wet Steam Turbine Cascade Facility”, Dec 2008.

35. Hylton, M., “Assessment of an Innovative Experimental Facility for Testing Diffusing S-inlets with Large Amounts of Boundary Layer Ingestion”, July 2008. Co-chaired with Dr. O’Brien.

36. Bolchoz, R.J., “An Experimental Investigation of Showerhead Film Cooling Performance in a Transonic Vane Cascade at Low Freestream Turbulence”, May 2008.

37. Raben, S., “Near Wall High Resolution PIV and Data Reconstruction for High Speed Flows”, May 2008. Co-chaired with Dr. Vlachos.

38. Hatchett, J.H., “An Investigation of Effectiveness of Normal and Angled Slot Film Cooling in a Transonic Wind Tunnel”, March 2008. Co-chaired with Dr. Thole.

39. Harris, R., “Investigation of Control Effectors for Ducted Fan VTOL UAVs”, Aug 2007. 40. Guy, A., “ Effect of Blowing ratio on the Nusselt number and film cooling effectiveness distributions

of a showerhead film cooled blade in a transonic cascade”, July 2007. 41. Remillieux, M.C., “Aeroacoustic Study of a Model-Scale Landing Gear in a Semi-Anechoic

Windtunnel”, April 2007. Co-chaired with Burdisso. 42. Hill, H., “2D CFD Simulation of a Circulation Control Inlet Guide Vane”, Jan 2007. Co-chaired with

Vlachos. 43. Carullo, J. “Effect of Freestream Turbulence and Turbulence Length Scale and Reynolds Number on

Turbine Blade Heat Transfer in a Transonic Cascade”, Dec 2006. Co-chaired with Thole. 44. Tweedie, S., “Experimental Investigation of Flow Control Techniques to Reduce Hydroacoustic Rotor-

Stator Interaction Noise,” Sept 2006. 45. Ringshia, A.K., “Aerodynamic Measurements in a Wind Tunnel on Scale Models of a 777 Main

Landing Gear,” Aug 2006. Co-chaired with R.Burdisso. 46. Cress, R., “Turbine Blade Heat Transfer Measurements in a Transonic Flow Using Thin Film Gages,”

July 2006. Co-chaired with K.Thole. 47. Raven, H.R., “Flow Control Optimization for Improvement of Fan Noise Reduction,” April 2006. 48. Harrison, N.A., “Active Flow Control of a Boundary layer Ingesting Serpentine Diffuser,” July 2005.

Co-chaired with W.H. Mason.


49. Graf, W.E., “Effects of Duct Lip Shaping and Various Control Devices on the Hover and Forward Flight Performance of Ducted Fan UAVs,” May 2005. Co-chaired with W.H. Mason.

50. Minton, C.M., “Wake Filling Techniques for Reducing Rotor-Stator Interaction Noise,” May 2005. 51. Kempf, S.G., “Numerical Study of the Stability of Embedded Supersonic Compressor Stages,” July

2003. 52. Langford, M., “Effects of a Passing Shock on Stator Performance,” May 2003. 53. Douglas, J.W., “Effects of Free Stream Turbulence on Compressor Cascade Performance,” March

2001. 54. Carter, C.J., "Aerodynamic Performance of a Flow Controlled Compressor Stator Using an Imbedded

Ejector Pump," Feb. 2001. 55. Harper, D.K., "Boundary Layer Control and Wall-Pressure Fluctuations in a Serpentine Inlet," Co-

Chaired with R. A. Burdisso, May 2000. 56. Vandeputte, T.W., "Effects of Flow Control on the Aerodynamics of a Tandem Inlet Guide Vane,"

January 2000. 57. Bubb, J., "The Influence of Pressure Ratio on Film Cooling Performance of a Turbine Blade," Co-

Chaired with T. E. Diller, July 1999 58. Chu, T.L., "Effects of Mach Number and Flow Incidence on Aerodynamic Losses of Steam Turbine

Blades," May 1999 59. Rao, N., "Active Flow Control to Reduce Fan Blade Vibration and Noise," May 1999 60. Hanuska, C. A., “Aeroacoustics Effect of Choking at Inlet Guide Vanes in Subsonic and Supersonic

Inlets,” May 1998. 61. Saunders, C. A., “Noise Reduction in an Axisymmetric Supersonic Inlet Using Trailing Edge Blowing,”

Jan 1998. 62. Leitch, T. A., Reduction of Unsteady Rotor-Stator Interaction Using Trailing Edge Blowing,” Jan 1997. 63. Hongprapas, S., “Preliminary Experiment and Analysis of Supersonic Inlet Buzz,” Jan 1997. 64. Nix, A. C., “Effects of Shock Wave Passing on Turbine Blade Heat Transfer in a Transonic Turbine

Cascade,” Dec 1996 (Co-chaired with Dr. T. E. Diller). 65. Miller, K. C., "Comparison of the Aeroacoustics of Two Small-Scale Supersonic Inlets," Aug 1996. 66. Hale, J. H., "Effects of Stationary Wake on Turbine Blade Heat Transfer in a Transonic Cascade," Apr

1996 (Co-chaired with Dr. T. E. Diller). 67. White, D. A., "Development of a High-Speed Rotating Bar Mechanism," Dec 1995. 68. Wagner, R., "Aeroacoustics of the Bifurcated 2D Supersonic Inlet," September 1995. 69. Kozak, J. D., "3D Flow Calculation of a Bifurcated 2D Supersonic Engine Inlet at Takeoff," August

1995. 70. Pande, A., "Effects of Struts on Aeroacoustics of Axisymmetric Supersonic Inlets," September 1994. 71. Mezynski, A., "Measurements of Pressure and Thermal Wakes in a Transonic Turbine Cascade,"

August 1994. (Co-chaired with Dr. Diller). 72. Relation, H. L., "Application of a Modified k-e Turbulence Model to Gas Turbine Combustor

Geometries," April 1993. 73. Detwiler, K. P., "Reduced Fan Noise Reduction from a Supersonic Inlet," April 1993. 74. Osborne, D. J., "Time-Resolved Measurements of a Transonic Compressor During Surge and Rotating

Stall," August 1992. 75. Morris, M. B., "Flow Randomness and Tip Losses in Transonic Rotors," May 1992. 76. Nuckolls, W. E., "Fan Noise Reduction from a Supersonic Inlet," Jan 1992. 77. Alday, J. H., "The Correlation of Randomness with High Tip Losses in an Axial Flow Fan Stage," April

1991. 78. Brock, J. S., "A Modified Baldwin-Lomax Turbulence Model for Turbomachinery Wakes," January

1991. 79. Ninnemann, T. A., "Aspirating Probes for Measurements of Mean Concentration and Fluctuating

Quantities in Supersonic Air-Helium Shear Layers," December 1990. 80. Wagner, M. J., "Pure Rolling Contact Gearing," December 1989.


81. Kwok, F. T., "Mean-Flow Measurements of a Turbulent Mixing Layer Resulting from Helium Slot Injection into a Supersonic Airstream," October 1989. (Co-chaired with Dr. D. A. Walker).

82. Griffith, D. O., II, "Turbulence Measurements and Noise Generation in a Transonic Cryogenic Wind Tunnel," April 1989.

83. Clark, R. L., Jr., "A Study of the Large-Scale Structure in a Supersonic Slot Injected Flow Field," June 1989.

84. Mitchell, C. R., "Viscous Solutions for the Navier Stokes Equations Using an Upwind Finite Volume Technique," May 1988.

85. Rettew, A. L., "The Use of Hot-Wire Anemometry in Studying Supersonic Slot Injection into a Supersonic Flow," February 1988.

86. Pingali, U., "Three-Dimensional and Off-Design Studies of a Mach 7.4 Hypersonic Inlet," December 1987.

87. Ajmani, K., "Turbulence Modeling in Hypersonic Inlets," November 1987. 88. Chakroun, W. M., "Time-Resolved Stagnation Temperature and Pressure Measurements in the Vortex

Street Behind a Cylinder," June 1987. 89. Popernack, T. G., Jr., "Development of a Data Reduction Method for a High Frequency Angle Probe,"

March 1987. 90. Taylor, A. C., III, "Analytical Prediction of the Unsteady Lift on a Rotor Induced by Downstream Flow

Obstructions," May 1986. 91. Rosson, J. C., "Dynamic Flow Quality Measurements in a Transonic Cryogenic Wind Tunnel,"

December 1985. 92. Olsen, T. L., "Experimental Investigation of Unsteady Fan Flow Interaction with Downstream Struts,"

November 1985.

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