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Comprehensive jp8 mechanism for vitiated flows

REU Novel Advanced Materials 2010. Comprehensive jp8 mechanism for vitiated flows. Kelsey Hall, University of Pennsylvania. Purpose of research. Evaluate efficiency, combustion characteristics of commercial fuels Energy Conservation Environmental Concerns JP8: Jet Propellant

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Comprehensive jp8 mechanism for vitiated flows

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  1. REU Novel Advanced Materials 2010 Comprehensive jp8 mechanism for vitiated flows Kelsey Hall, University of Pennsylvania

  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 • N2 shield • Validate method • Simple hydrocarbon fuels • Heptane modeling: more complex

  5. Counterflow Diffusion Flat Flame Burner

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

  7. Flames Methane Heptane Quartz probe Silicon tube

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

  9. CH4 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

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