air-fuel mixing in backward facing step -- CFD Online Discussion Forums

March 19, 2011, 19:39	air-fuel mixing in backward facing step	#1
abdullahkarimi New Member Abdullah Karimi Join Date: Nov 2010 Posts: 29 Rep Power: 16	Hi guys, I am trying to simulate air-fuel mixing in backward facing step....i m injecting hydrogen from bottom wall downstream the step. the injection condition is sonic and m using stagnation inlet in starccm+. The air inlet mach no. is 2. The problem diverges after some iterations. there is reverse flow at outlet sometimes. plz comment on the probable cause of diverging. thanks Abdullah

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