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

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 2

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

4. Counter Flow Flame 4

5. System 5

6. Burner Schematic 6

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

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

9. Flow Rates: Ideal: 6% Oxygen Actual: 29% Oxygen Fuel Stream
Oxidizer Stream
Fuel
15 mL/Hr X
Oxygen
0.5 L/Min
Nitrogen
1.2 L/Min 9

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

11. Determining ConcentrationsmV
min 11

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

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

14. Sampling 14

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

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

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

18. 18

19. 19

20. Vertical Position mV min Height (mm) from Top of Flame: 1.19 2.38 3.57
4.76
5.95
7.14 mV
min 20

21. Validation Build System Produce Flame Identify Combustion Products
Sample Flame
Determine Concentrations 21

22. Concentration
Xylene
Benzene
Toluene
Phenylacetylene 22

23. Concentration 23

24. Suggestions for Future Work
Determine Velocity at Stagnation Plane
Run Mass Spec with a more suitable column
Project Completion
Sample Different Fuels
Validate CFD 24

25. Acknowledgements Professor Brezinsky Brad Culbertson Megan Chirby
Financial support from the EEC-NSF Grant # 25