COMPREHENSIVE JP8 MECHANISM FOR VITIATED FLOWS Kelsey Hall, University of Pennsylvania REU Novel Advanced Materials 2010 Purpose of research Evaluate efficiency, combustion characteristics of commercial fuels Energy Conservation Environmental Concerns JP8: Jet Propellant Liquid hydrocarbon fuel 4 to 16 C Long Term Objectives Extend m-Xylene model to include low pressure parameters Comprehensive chemical kinetic model of JP8 combustion Conditions of jet engine afterburner Immediate Objectives Optimize experimental setup Isokinetic sampling N 2 shield Validate method Simple hydrocarbon fuels Heptane modeling: more complex Counterflow Diffusion Flat Flame Burner Sampling Methods Quartz probe O.D.: 3.5 mm Silicon tube O.D.: 350 microns Flames Quartz probeSilicon tube MethaneHeptane Simulation Chemkin OPPDIF Chemistry model ref. Brezinsky shock tube lab OPPDIF user manual CH 4 Flame Results Condition CH4 0.4L/min, N2(fuel side) 1.6L/min, O2 0.7L/min, N2 1L/min Heptane Flame Results N-heptane simulation using OPPSMOKE, mech. provided by Paolo Berta Acknowledgements Professor K. Brezinsky, UIC Xiao Fu, UIC: Mentoring graduate student National Science Foundation and Department of Defense, EEC-NSF Grant # US Air Force Stephen Gardner, UIC Paolo Berta, PhD UIC 2005 Prof. Takoudis and Prof. Jursich, UIC REU 2010