|July 25, 2016, 11:08||
FLUENT UDF for Variable Thermo-physical Property Simulation
Join Date: Jul 2016
Posts: 1Rep Power: 0
I am interested in simulating problems relating supercritical fluids (single phase, near the critical point) using ANSYS-FLUENT V16. The thermo-physical properties are a strong function of fluid pressure and temperature near this state. So, I plan to provide either a surface fit or a 2D Table look-up in the form of x = f(p, T); where x is the thermo-physical property in question.
In the past, I have used user-defined variable properties (density, viscosity, thermal conductivity, specific heat, drho/dp etc.) with ESI CFD-ACE+ (a SIMPLEC based solver). Not sure, how it's done (if possible at all) in FLUENT. I have checked the CFD-Online forum for this issue, but it appears to me that there is an issue related to specifying the specific heat.
Any help in this matter will be greatly appreciated.
|udf code, udf density viscosity, udf specific heat|
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