1. COMPREHENSIVE JP8 MECHANISM FOR VITIATED FLOWS Kelsey Hall, University of Pennsylvania REU Novel Advanced Materials 2010

2. 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

3. Long Term Objectives  Extend m-Xylene model to include low pressure parameters  Comprehensive chemical kinetic model of JP8 combustion  Conditions of jet engine afterburner

4. Immediate Objectives  Optimize experimental setup  Isokinetic sampling  N 2 shield  Validate method  Simple hydrocarbon fuels  Heptane modeling: more complex

5. Counterflow Diffusion Flat Flame Burner

6. Sampling Methods Quartz probe O.D.: 3.5 mm Silicon tube O.D.: 350 microns

7. Flames Quartz probeSilicon tube MethaneHeptane

8. Simulation  Chemkin  OPPDIF  Chemistry model ref. Brezinsky shock tube lab OPPDIF user manual

9. CH 4 Flame Results Condition CH4 0.4L/min, N2(fuel side) 1.6L/min, O2 0.7L/min, N2 1L/min

10. Heptane Flame Results N-heptane simulation using OPPSMOKE, mech. provided by Paolo Berta

11. 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