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Test case setup parameters
- Initial temperature in the whole computational domain is set to
- Inlet water velocity
in the pipe region is set to 
having a temperature 
- For temperature
, the heat transfer boundary conditions at region interfaces are used. Outside patches use externalWallHeatFluxTemperature boundary condition, which supplies a heat flux condition for temperature on an external wall. - Example of temperature boundary conditions in solid region window on internal patch window-inner-part and external patch window-outer-part is shown below:
/*--------------------------------*- C++ -*----------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: dev | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ FoamFile { version 3.0; format ascii; class volScalarField; location "0/window"; object T; } // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // dimensions [ 0 0 0 1 0 0 0 ]; internalField uniform 273.15; boundaryField { window-inner-part { type compressible::turbulentTemperatureCoupledBaffleMixed; value uniform 273.15; Tnbr T; kappaMethod solidThermo; } window-outer-part { type externalWallHeatFluxTemperature; mode coefficient; Ta uniform 273.15; h uniform 100000.0; thicknessLayers (); kappaLayers (); kappaMethod solidThermo; value $internalField; } window-side { type zeroGradient; value uniform 273.15; } } // ************************************************************************* // - Turbulence is not taken into account in this tutorial, therefore the turbulence model is set to laminar
- Thermophysical properties are different for each region. All solids and fluids have its own molar weight, density, specific heat and thermal conductivity
- Solver used for this case is chtMultiRegionFoam