Comprehensive jp8 mechanism for vitiated flows REU Novel Advanced Materials 2010 Kelsey Hall, University of Pennsylvania
Purpose of research Evaluate efficiency, combustion characteristics of commercial fuels Energy Conservation Environmental Concerns JP8: Jet Propellant Liquid hydrocarbon fuel 4 to 16 C http://www.powerjets.co.uk/images/f-16-afterburner.jpg
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 Validate method Isokinetic sampling N2 shield Validate method Simple hydrocarbon fuels Heptane modeling: more complex
Counterflow Diffusion Flat Flame Burner
Sampling Methods Silicon tube O.D.: 350 microns Quartz probe O.D.: 3.5 mm
Flames Methane Heptane Quartz probe Silicon tube
Simulation Chemkin OPPDIF Chemistry model ref. Brezinsky shock tube lab OPPDIF user manual
CH4 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 # 0755115 US Air Force Stephen Gardner, UIC Paolo Berta, PhD UIC 2005 Prof. Takoudis and Prof. Jursich, UIC REU 2010