Setting up Case for different turbulence models with buoyancy-driven flow
I am new to OF (OpenSuse 12.1 + OF-2.1.1) and write my masterthesis on it.
At the moment I am setting up cases for turbulent flows in a room (inlet + outlet + obstacle), in which the obstacle has a heat flux and the inlet a constant flow rate.
I want to simulate this case with different turbulence models and compare the results whicht fits best to measured data.
Now, I am little stuck on pre-processing in finding the right solver and BC's to handle this problem.
The BC's for U and p are no problem, and for T I used zeroGradient at the walls, at inlet fixedValue and for outlet inletOutlet. For the walls of the obstacle I defined a turbulentHeatFluxTemperature (heat source: power).
Now my question is, what kind of solver suits best for this case and do I have to define alphaEff (kappaEff) and Cp or is kappaEff only defined by nu/Pr + nut/Prt in transportProperties and Cp could be easily defined by CP = 1000?
In advance thank you very much for help.
In addition, the temperature of the inlet flow is 293K and the heat source is 700W which leads to 313K on the surface of the obstacle.
The fluid medium is air and I run simulation for imcompressible fluid (neglect dependence of density).
I want to handle the case transient.
I think there are mainly two possibilities: a) pisoFoam and include enthalpy equation or b) buoyantBoussinesqPimpleFoam
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