Tatsumoto.C

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    Copyright (C) 2021 OpenCFD Ltd
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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#include "Tatsumoto.H"
#include "addToRunTimeSelectionTable.H"
#include "uniformDimensionedFields.H"
#include "phasePairKey.H"
#include "phaseSystem.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace wallBoilingModels
{
namespace CHFModels
{
    defineTypeNameAndDebug(Tatsumoto, 0);
    addToRunTimeSelectionTable
    (
        CHFSubCoolModel,
        Tatsumoto,
        dictionary
    );
}
}
}
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::wallBoilingModels::CHFModels::Tatsumoto::Tatsumoto
(
    const dictionary& dict
)
:
    CHFSubCoolModel(),
    K_(dict.getOrDefault<scalar>("K", 0.23))
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::scalarField>
Foam::wallBoilingModels::CHFModels::Tatsumoto::CHFSubCool
(
    const phaseModel& liquid,
    const phaseModel& vapor,
    const label patchi,
    const scalarField& Tl,
    const scalarField& Tsatw,
    const scalarField& L
) const
{
    const labelUList& cells = liquid.mesh().boundary()[patchi].faceCells();
    const scalarField& pw = liquid.thermo().p().boundaryField()[patchi];
 
    tmp<scalarField> trhoVapor = vapor.thermo().rhoEoS(pw, Tsatw, cells);
    const scalarField& rhoVapor = trhoVapor.ref();
 
    tmp<scalarField> trhoLiq = liquid.thermo().rhoEoS(pw, Tsatw, cells);
    const scalarField& rhoLiq = trhoLiq.ref();
 
    tmp<scalarField> tCp = liquid.thermo().Cp(pw, Tsatw, cells);
    const scalarField& Cp = tCp();
 
    return
        1 + K_*pow(rhoVapor/rhoLiq, 0.8)*Cp*max(Tsatw - Tl, scalar(0))/L;
}
 
 
void Foam::wallBoilingModels::CHFModels::Tatsumoto::write
(
    Ostream& os
) const
{
    CHFSubCoolModel::write(os);
    os.writeEntry("K", K_);
}
 
 
// ************************************************************************* //