K-Omega-SST and alphat -- CFD Online Discussion Forums

June 19, 2020, 06:44	K-Omega-SST and alphat	#1
shock77 Senior Member Join Date: Dec 2019 Posts: 215 Rep Power: 8	Hi everyone, I am using rhoCentralFoam and would like to carry out a compressible supersonic and turbulent simulation. I havent used k-omega-SST for a while and have to assign boundary conditions for alphat, which I am quite sure I had not to do before. As far as I understood alphat is important for heat transer, but actualy I have adiabatic walls. Can someone pls explain me what alphat does and why I have to define it? Kind regards, shock77

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