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-   -   Temperature in rhoSimpleFoam (https://www.cfd-online.com/Forums/openfoam-solving/88041-temperature-rhosimplefoam.html)

atareen64 May 6, 2011 11:46

Temperature in rhoSimpleFoam
 
Hi all,

Does anybody know how temperature is handled in rhoSimpleFoam? I have a semi-complicated simulation that runs really well and I am getting great results for pressure and velocity but the temperature profile seems quite wrong. From the rhoSimpleFoam.C files I couldn't figure if enthalpy is taking care of temperature.

Basically, this might be stupid but I have no clue how temperature is solved for in rhoSimpleFoam or a simple loop in OF. Can somebody give me some insights?

Thanks a million,
~Ammar.

jcw December 3, 2015 08:59

rhoSimpleFoam
 
Hello!

I am facing the same problem. I try to simulate a radial compressor with pressure ratio about 2. I can not see any temperature rise. This behaviour is unphysical. OF2.3.
Does anyone have a hint?

Regards, JCW

olivierG December 3, 2015 11:05

hello,
take a look at http://cfd.direct/openfoam/energy-equation/
... and also the source file EEqn.H for rhoSimpleFoam.

what did you use in you thermophysicalProperties ? enthalpy or internal energy ?

regards,
olivier


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