Combustion problem, Temp to high. -- CFD Online Discussion Forums

June 11, 2002, 14:39	Combustion problem, Temp to high.	#1
Devin Guest Posts: n/a	Hello everyone, I'm trying to model an HVOF thermal spray process, but I'm having some difficulty. I'm getting temperatures in excess of 4500K when the flame temperature of propylene is approx. 2300K. The model is using ideal-gas as it is a supersonic flow and the standard k-e model for turbulence. The boundary condition for the fuel inlet is a propylene-oxygen mixture. I suspect this may be my proplem. I've done some other cases involving separate fuel and oxygen supplies with better results. Any thoughts? Devin

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