combustion team high speed combustion 6/21/20151nasa grant urc ncc nnx08ba44a faculty advisors: dr....
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Combustion TeamHigh Speed Combustion
04/18/23 1NASA Grant URC NCC NNX08BA44A
Faculty Advisors:
Dr. GuillaumeDr. Wu Dr. BoussalisDr. LiuDr. Rad
Sara Esparza
Cesar Olmedo
Alonzo Perez
Student Researchers:
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Purpose
To achieve and sustain Mach 1.0 to 2.0 speed, induce mixing and sustain combustion for a duration
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Converging-Diverging Nozzle
• Nozzle brings air up to speed
• Entry and exit nozzle views
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CD Nozzle Drawing
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CD Nozzle Calculations
04/18/23 NASA Grant URC NCC NNX08BA44A
86.2
413.
422.
2
2
Expansion Area Ratio
Throat
Compression Area Ratio
Expansion Area Ratio
Throat Area
Expansion Area Ratio A
AM = 2.4
Isentropic flow properties
D=.30D=.22
2.86
Throat D= .13
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Nozzle Data
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Initial Testing
• Tested nozzle design
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Pressure Reading at Nozzle Exit
• Pressure gage reading
• Anderson’s text: Mach 2.6
• Area ratio: 2.89
05.0134
73.6
psi
psi
inlet
exhaust
P
p
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Numerical and Experimental Results Coincide
• Exit pressure corresponds to 5.23 psia as seen in testing
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Nozzle Error
• 22% Error between Experimental and Numerical Calculations
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%22%100*73.6
23.573.6
P
)P - (P
alexperiment
ltheoreticaalexperiment
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Testing
• Picture of the set up
• Used hydrogen tank from MFDCLab
• Combustion occurred
• Below Mach one
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Mixing Cavity & Combustor
• Initial Concept– Use cavity to re-circulate fuel
and air improve mixing
– Produce ideal combustion environment
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Ignition System
• Car distributor
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Overall Design
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Lab Supply Quick Release – CD Nozzle ConnectionSection View
Fuel inlet
Fuel inlet
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Testing Results
• We developed combustion
• Flow speed was not supersonic
• Cavity was too big and it produced a bow shock and reduced flow
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Final Design
• Met with Dr Wu to develop
• Smaller cavity
• Development of hydrogen and spark plug manifold
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Pathlines and Particle Tracing
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Final Design
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Final Design
• Solidworks assembly
• Side and front views
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Future Work
• Test at supersonic speeds
• Incorporate heating coil
• Add insulation
• Acquire silane
• Purchase Gambit or ICES
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Textbook References
Anderson, J. “Compressible Flow.”
Anderson, J. “Hypersonic & High Temperature Gas Dynamics”
Curran, E. T. & S. N. B. Murthy, “Scramjet Propulsion”
AIAA Educational Series,
Fogler, H.S. “Elements of Chemical Reaction Engineering” Prentice Hall International Studies. 3rd ed. 1999.
Heiser, W.H. & D. T. Pratt “Hypersonic Airbreathing Propulsion”
AIAA Educational Series.
Olfe, D. B. & V. Zakkay “Supersonic Flow, Chemical Processes, & Radiative Transfer”
Perry, R. H. & D. W. Green “Perry’s Chemical Engineers’ Handbook”
McGraw-Hill
Turns, S.R. “An Introduction to Combustion”
White, E.B. “Fluid Mechanics”.
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04/18/23 NASA Grant URC NCC NNX08BA44A
Journal References
Allen, W., P. I. King, M. R. Gruber, C. D. Carter, K. Y Hsu, “Fuel-Air Injection Effects on Combustion in Cavity-Based Flameholders in a Supersonic Flow”. 41st AIAA Joint Propulsal. 2005-4105.
Billig, F. S. “Combustion Processes in Supersonic Flow”. Journal of Propulsion, Vol. 4, No. 3, May-June 1988
Da Riva, Ignacio, Amable Linan, & Enrique Fraga “Some Results in Supersonic Combustion” 4 th Congress, Paris, France, 64-579, Aug 1964
Esparza, S. “Supersonic Combustion” CSULA Symposium, May 2008.
Grishin, A. M. & E. E. Zelenskii, “Diffusional-Thermal Instability of the Normal Combustion of a Three-Component Gas Mixture,” Plenum Publishing Corporation. 1988.
Ilbas, M., “The Effect of Thermal Radiation and Radiation Models on Hydrogen-Hydrocarbon Combustion Modeling” International Journal of Hydrogen Energy. Vol 30, Pgs. 1113-1126. 2005.
Qin, J, W. Bao, W. Zhou, & D. Yu. “Performance Cycle Analysis of an Open Cooling Cycle for a Scramjet” IMechE, Vol. 223, Part G, 2009.
Mathur, T., M. Gruber, K. Jackson, J. Donbar, W. Donaldson, T. Jackson, F. Billig. “Supersonic Combustion Experiements with a Cavity-Based Fuel Injection”. AFRL-PR-WP-TP-2006-271. Nov 2001
McGuire, J. R., R. R. Boyce, & N. R. Mudford. Journal of Propulsion & Power, Vol. 24, No. 6, Nov-Dec 2008
Mirmirani, M., C. Wu, A. Clark, S, Choi, & B. Fidam, “Airbreathing Hypersonic Flight Vehicle Modeling and Control, Review, Challenges, and a CFD-Based Example”
Neely, A. J., I. Stotz, S. O’Byrne, R. R. Boyce, N. R. Mudford, “Flow Studies on a Hydrogen-Fueled Cavity Flame-Holder Scramjet. AIAA 2005-3358, 2005.
Tetlow, M. R. & C. J. Doolan. “Comparison of Hydrogen and Hydrocarbon-Fueld Scramjet Engines for Orbital Insertion” Journal of Spacecraft and Rockets, Vol 44., No. 2., Mar-Apr 2007.
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