Node250 - CFD SUPPORT

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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