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Experimental Investigation on the Combustion of JP-8 Jet Fuel

Experimental Investigation on the Combustion of JP-8 Jet Fuel. Carolyn Fortson Ken Brezinsky, Advising Professor Brad Culbertson, Project Advisor. Project. Create computer model for chemical reactions in jet engine after burn US Air Force concerned about jet fuel pollutants

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Experimental Investigation on the Combustion of JP-8 Jet Fuel

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  1. Experimental Investigation on the Combustion of JP-8 Jet Fuel Carolyn Fortson Ken Brezinsky, Advising Professor Brad Culbertson, Project Advisor

  2. Project • Create computer model for chemical reactions in jet engine after burn • US Air Force concerned about jet fuel pollutants • Combustion chemistry of JP-8 fuel unknown Motivation

  3. Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations

  4. Counter Flow Flame

  5. System

  6. Burner Schematic

  7. Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations

  8. Stabilizing Flame • Flow Rates: • Oxidizer Gas • Carrier Gas • Fuel

  9. Flow Rates: • Ideal: 6% Oxygen • Actual: 29% Oxygen

  10. Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations

  11. Determining Concentrations mV min

  12. Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations

  13. Sampling • Determining Velocity and Stagnation Plane • LDV • Pitot Tube • Probes • Size • Shape • Sampling Platform • Horizontal Movement • Vertical Movement

  14. Sampling

  15. Test Probes A B C D 310 μm 110 μm 80 μm 6.35 mm

  16. Sampling Probe A (310 μm) Probe B (110 μm) Probe C (80 μm) Probe D (6.35 mm)

  17. Sampling Probe A (310 μm) Probe B (110 μm) Probe C (80 μm) Probe D (6.35 mm)

  18. Vertical Position Height (mm) from Top of Flame: 1.19 2.38 3.57 4.76 5.95 7.14 mV min

  19. Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations

  20. Concentration Xylene Benzene Toluene Phenylacetylene

  21. Concentration

  22. Suggestions for Future Work • Determine Velocity at Stagnation Plane • Run Mass Spec with a more suitable column Project Completion • Sample Different Fuels • Validate CFD

  23. Acknowledgements • Professor Brezinsky • Brad Culbertson • Megan Chirby • Financial support from the EEC-NSF Grant # 0755115

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