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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 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 • Combustion chemistry of JP-8 fuel unknown Motivation
Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations
Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations
Stabilizing Flame • Flow Rates: • Oxidizer Gas • Carrier Gas • Fuel
Flow Rates: • Ideal: 6% Oxygen • Actual: 29% Oxygen
Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations
Determining Concentrations mV min
Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations
Sampling • Determining Velocity and Stagnation Plane • LDV • Pitot Tube • Probes • Size • Shape • Sampling Platform • Horizontal Movement • Vertical Movement
Test Probes A B C D 310 μm 110 μm 80 μm 6.35 mm
Sampling Probe A (310 μm) Probe B (110 μm) Probe C (80 μm) Probe D (6.35 mm)
Sampling Probe A (310 μm) Probe B (110 μm) Probe C (80 μm) Probe D (6.35 mm)
Vertical Position Height (mm) from Top of Flame: 1.19 2.38 3.57 4.76 5.95 7.14 mV min
Validation • Build System • Produce Flame • Identify Combustion Products • Sample Flame • Determine Concentrations
Concentration Xylene Benzene Toluene Phenylacetylene
Suggestions for Future Work • Determine Velocity at Stagnation Plane • Run Mass Spec with a more suitable column Project Completion • Sample Different Fuels • Validate CFD
Acknowledgements • Professor Brezinsky • Brad Culbertson • Megan Chirby • Financial support from the EEC-NSF Grant # 0755115