interfaceHeatResistance.H

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    Copyright (C) 2020 OpenCFD Ltd.
    Copyright (C) 2020 Henning Scheufler
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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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    You should have received a copy of the GNU General Public License
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Class
    Foam::phaseChangeTwoPhaseMixtures::interfaceHeatResistance
 
Description
    Interface Heat Resistance type of condensation/saturation model using
    spread source distribution following:
 
    References:
    \verbatim
        Hardt, S., Wondra, F. (2008).
        Evaporation model for interfacial flows based on a continuum-
        field representation of the source term
        Journal of Computational Physics 227 (2008), 5871-5895
    \endverbatim
 
SourceFiles
    interfaceHeatResistance.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef interfaceHeatResistance_H
#define interfaceHeatResistance_H
 
#include "temperaturePhaseChangeTwoPhaseMixture.H"
 
// * * * * * * * * * * * * * * * * *  * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace temperaturePhaseChangeTwoPhaseMixtures
{
 
/*---------------------------------------------------------------------------*\
                         Class interfaceHeatResistance
\*---------------------------------------------------------------------------*/
 
class interfaceHeatResistance
:
    public temperaturePhaseChangeTwoPhaseMixture
{
    // Private Data
 
        //- Heat transfer coefficient [1/s/K]
        dimensionedScalar R_;
 
        //- Interface area
        volScalarField interfaceArea_;
 
        //- Mass condensation source
        volScalarField mDotc_;
 
        //- Mass evaporation source
        volScalarField mDote_;
 
        //- Spread condensation mass source
        volScalarField mDotcSpread_;
 
        //- Spread evaporation mass source
        volScalarField mDoteSpread_;
 
        //- Spread for mass source
        scalar spread_;
 
 
    // Private Member Functions
 
        //- Update interface area
        void updateInterface();
 
 
public:
 
    //- Runtime type information
    TypeName("interfaceHeatResistance");
 
 
    // Constructors
 
        //- Construct from components
        interfaceHeatResistance
        (
            const thermoIncompressibleTwoPhaseMixture& mixture,
            const fvMesh& mesh
        );
 
 
    //- Destructor
    virtual ~interfaceHeatResistance() = default;
 
 
    // Member Functions
 
        //- Return the mass condensation and vaporisation rates as a
        //  coefficient to multiply (1 - alphal) for the condensation rate
        //  and a coefficient to multiply  alphal for the vaporisation rate
        virtual Pair<tmp<volScalarField>> mDotAlphal() const;
 
        //- Return the mass condensation and vaporisation rates as coefficients
        virtual Pair<tmp<volScalarField>> mDot() const;
 
        //- Return the mass condensation and vaporisation rates as a
        //  coefficient to multiply (Tsat - T) for the condensation rate
        //  and a coefficient to multiply  (T - Tsat) for the vaporisation rate
        virtual Pair<tmp<volScalarField>> mDotDeltaT() const;
 
        //- Source for T equarion
        virtual tmp<fvScalarMatrix> TSource() const;
 
        //- Volumetric source for alpha (used by alphaEq)
        virtual Pair<tmp<volScalarField>> vDotAlphal() const;
 
        //- Return the volumetric condensation and vaporisation rates as
        //  coefficients (used by p_rghEq)
        virtual Pair<tmp<volScalarField>> vDot() const;
 
        //- Correct the interfaceHeatResistance phaseChange model
        virtual void correct();
 
        //- Read the transportProperties dictionary and update
        virtual bool read();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace temperaturePhaseChangeTwoPhaseMixtures
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //