specific heat calculation -- CFD Online Discussion Forums

September 26, 2013, 00:36	specific heat calculation	#1
Panboy Member Daniel Oliden Join Date: May 2012 Location: Arizona Posts: 36 Rep Power: 14	Hi guys. I hope someone can help me out here as I am very confused as to how FLUENT is calculating my pressure inlet values. According to the user manual, Mach number is found from P and P_total using isentropic relations. Then, T is found from T_total and Mach using isentropic relations. Where does specific heat ratio come into here? It is needed to find Mach number from pressure, but how do they estimate specific heat if Temperature is not known yet? I am so confused. Please help! Panboy

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