GidaspowSchillerNaumann.H

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Class
    Foam::dragModels::GidaspowSchillerNaumann

Description
    Gidaspow, Schiller and Naumann drag model

    References:
    \verbatim
        "Eulerian Two-Phase Flow Theory Applied to Fluidization"
        Enwald, H., Peirano, E., Almstedt, A-E.,
        Int. J. Multiphase Flow, Vol. 22, Suppl, 1996, pp. 21-66
        Eq. 86-87, p. 40

        This is identical to the Wen and Yu, Rowe model Table 3.6 p.56  in
        "Derivation, Implementation and Validation of Computer Simulation Models
         for Gas-Solid Fluidized Beds",
        Berend van Wachem
        Ph.D. thesis.
    \endverbatim

SourceFiles
    GidaspowSchillerNaumann.C

\*---------------------------------------------------------------------------*/

#ifndef GidaspowSchillerNaumann_H
#define GidaspowSchillerNaumann_H

#include "dragModel.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

class phasePair;

namespace dragModels
{

/*---------------------------------------------------------------------------*\
                           Class GidaspowSchillerNaumann Declaration
\*---------------------------------------------------------------------------*/

class GidaspowSchillerNaumann
:
    public dragModel
{
    // Private data

        //- Residual Reynolds Number
        const dimensionedScalar residualRe_;


public:

    //- Runtime type information
    TypeName("GidaspowSchillerNaumann");


    // Constructors

        //- Construct from a dictionary and a phase pair
        GidaspowSchillerNaumann
        (
            const dictionary& dict,
            const phasePair& pair,
            const bool registerObject
        );


    //- Destructor
    virtual ~GidaspowSchillerNaumann();


    // Member Functions

        //- Drag coefficient
        virtual tmp<volScalarField> CdRe() const;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace dragModels
} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //