Combustion TeamSupersonic Combustion
04/21/23 1NASA Grant URC NCC NNX08BA44A
Faculty Advisors:
Dr. GuillaumeDr. Wu Dr. BoussalisDr. LiuDr. Rad
Sara Esparza
Cesar Olmedo
Alonzo Perez
Student Researchers:
Purpose
To achieve and sustain Mach 1.0 to 2.0 speed, induce mixing and sustain combustion for a duration
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Final Design
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Intake Manifold
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Purpose of Intake Manifold
• Will assist in premixing concept
• Determine if injection of hydrogen will effect nozzle performance
• If no effect is determine we will introduce – Hydrogen
– Silane
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Intake ManifoldProgress
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Side View FrontView
Converging Diverging Nozzle
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SectionView FrontView
Intake and Nozzle
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Intake and Nozzle
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Combustion Chamber
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Combustion ChamberProgress
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Dr. Wu Pressure Adaptor
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Pressure Testing
• Will use Dr Wu pressure adaptor to determine if hydrogen gas will effect nozzle performance.
• Comparing past nozzle value with intake manifold and hydrogen gas set up
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Pressure Reading at Nozzle Exit
• Pressure gage reading
• Anderson’s text: Mach 2.6
• Area ratio: 2.89
05.0134
73.6
psi
psi
inlet
exhaust
P
p
New ignition System
• Three telsa coils ( one for each spark plug)
• 13 V DC 1 Amp power source that is button operated
• All wire will be insulated and routed away from any flammable sources
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New Ignition Source:Tesla Coil
• Allows for continuous spark
• Strong spark across air flow
• Resonant transformer circuit
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Tesla Coil
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• Resonant transformer circuit
• High voltage
• Low current
• High frequency alternating current electricity
• Loosely coupled coil winding
Final Design
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Future Work
• Test new Intake manifold with hydrogen
• Determine premixing option
• Incorporate telsa coil
• Develop new ignition system
• Acquire silane
• Finish combustion chamber
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Timeline2009 - 2010
Hypersonic Combustion Team Timeline: February 2011 - March 2011
2011
Student Name FEB FEB FEB Mar
Sara Esparza
Finish fabrication of combustion chamber Built Telsa Coil
Test Intake with Hydrogen
Find machine Shop toPolish intake surface
Fluent analysis of hydrogen and air inside intake mixture
Determine the possibility of premixing hydrogen
Cesar Olmedo
Finish fabrication of combustion chamber
Purchase Third Telsa Coil
Fabrication of new Dr Wu
Pressure Adapter
Test Intake with Hydrogen
Fabricate new intake test holder
Fluent analysis of combustion chamber
10//2009 NASA Grant URC NCC NNX08BA44A
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Textbook References
Anderson, J. “Compressible Flow.”
Anderson, J. “Hypersonic & High Temperature Gas Dynamics”
Curran, E. T. & S. N. B. Murthy, “Scramjet Propulsion”
AIAA Educational Series,
Fogler, H.S. “Elements of Chemical Reaction Engineering” Prentice Hall International Studies. 3rd ed. 1999.
Heiser, W.H. & D. T. Pratt “Hypersonic Airbreathing Propulsion”
AIAA Educational Series.
Olfe, D. B. & V. Zakkay “Supersonic Flow, Chemical Processes, & Radiative Transfer”
Perry, R. H. & D. W. Green “Perry’s Chemical Engineers’ Handbook”
McGraw-Hill
Turns, S.R. “An Introduction to Combustion”
White, E.B. “Fluid Mechanics”.
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Journal References
Allen, W., P. I. King, M. R. Gruber, C. D. Carter, K. Y Hsu, “Fuel-Air Injection Effects on Combustion in Cavity-Based Flameholders in a Supersonic Flow”. 41st AIAA Joint Propulsal. 2005-4105.
Billig, F. S. “Combustion Processes in Supersonic Flow”. Journal of Propulsion, Vol. 4, No. 3, May-June 1988
Da Riva, Ignacio, Amable Linan, & Enrique Fraga “Some Results in Supersonic Combustion” 4 th Congress, Paris, France, 64-579, Aug 1964
Esparza, S. “Supersonic Combustion” CSULA Symposium, May 2008.
Grishin, A. M. & E. E. Zelenskii, “Diffusional-Thermal Instability of the Normal Combustion of a Three-Component Gas Mixture,” Plenum Publishing Corporation. 1988.
Ilbas, M., “The Effect of Thermal Radiation and Radiation Models on Hydrogen-Hydrocarbon Combustion Modeling” International Journal of Hydrogen Energy. Vol 30, Pgs. 1113-1126. 2005.
Qin, J, W. Bao, W. Zhou, & D. Yu. “Performance Cycle Analysis of an Open Cooling Cycle for a Scramjet” IMechE, Vol. 223, Part G, 2009.
Mathur, T., M. Gruber, K. Jackson, J. Donbar, W. Donaldson, T. Jackson, F. Billig. “Supersonic Combustion Experiements with a Cavity-Based Fuel Injection”. AFRL-PR-WP-TP-2006-271. Nov 2001
McGuire, J. R., R. R. Boyce, & N. R. Mudford. Journal of Propulsion & Power, Vol. 24, No. 6, Nov-Dec 2008
Mirmirani, M., C. Wu, A. Clark, S, Choi, & B. Fidam, “Airbreathing Hypersonic Flight Vehicle Modeling and Control, Review, Challenges, and a CFD-Based Example”
Neely, A. J., I. Stotz, S. O’Byrne, R. R. Boyce, N. R. Mudford, “Flow Studies on a Hydrogen-Fueled Cavity Flame-Holder Scramjet. AIAA 2005-3358, 2005.
Tetlow, M. R. & C. J. Doolan. “Comparison of Hydrogen and Hydrocarbon-Fueld Scramjet Engines for Orbital Insertion” Journal of Spacecraft and Rockets, Vol 44., No. 2., Mar-Apr 2007.
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