SchnerrSauer.H

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License
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Class
    Foam::phaseChangeTwoPhaseMixtures::SchnerrSauer
 
Description
    SchnerrSauer cavitation model.
 
    Reference:
    \verbatim
        Schnerr, G. H., And Sauer, J.,
        "Physical and Numerical Modeling of Unsteady Cavitation Dynamics",
        Proc. 4th International Conference on Multiphase Flow,
        New Orleans, U.S.A., 2001.
    \endverbatim
 
SourceFiles
    SchnerrSauer.C
 
\*--------------------------------------------------------------------*/
 
#ifndef SchnerrSauer_H
#define SchnerrSauer_H
 
#include "phaseChangeTwoPhaseMixture.H"
 
// * * * * * * * * * * * * * * * * *  * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace phaseChangeTwoPhaseMixtures
{
 
/*--------------------------------------------------------------------*\
                              Class SchnerrSauer
\*--------------------------------------------------------------------*/
 
class SchnerrSauer
:
    public phaseChangeTwoPhaseMixture
{
    // Private data
 
        //- Bubble number density
        dimensionedScalar n_;
 
        //- Nucleation site diameter
        dimensionedScalar dNuc_;
 
        //- Condensation rate coefficient
        dimensionedScalar Cc_;
 
        //- Vapourisation rate coefficient
        dimensionedScalar Cv_;
 
        dimensionedScalar p0_;
 
        //- Nucleation site volume-fraction
        dimensionedScalar alphaNuc() const;
 
        //- Reciprocal bubble radius
        tmp<volScalarField>rRb(const volScalarField& limitedAlpha1) const;
 
        //- Part of the condensation and vapourisation rates
        tmp<volScalarField> pCoeff(const volScalarField& p) const;
 
 
public:
 
    //- Runtime type information
    TypeName("SchnerrSauer");
 
 
    // Constructors
 
        //- Construct from components
        SchnerrSauer
        (
            const volVectorField& U,
            const surfaceScalarField& phi
        );
 
 
    //- Destructor
    virtual ~SchnerrSauer()
    {}
 
 
    // 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
        //  to multiply (p - pSat)
        virtual Pair<tmp<volScalarField> > mDotP() const;
 
        //- Correct the SchnerrSauer phaseChange model
        virtual void correct();
 
        //- Read the transportProperties dictionary and update
        virtual bool read();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace phaseChangeTwoPhaseMixtures
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //