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    Copyright (C) 2014 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.

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Class
    Foam::mixtureViscosityModels::slurry

Description
     Thomas' viscosity correction for slurry.

     References:
     \verbatim
         "Transport characteristics of suspension:
          VIII. A note on the viscosity of Newtonian suspensions
          of uniform spherical particles".
          D.G. Thomas,
          J. Colloid Sci. 20 (3), 1965, p267.
    \endverbatim

SourceFiles
    slurry.C

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

#ifndef slurry_H
#define slurry_H

#include "mixtureViscosityModel.H"
#include "dimensionedScalar.H"
#include "volFields.H"

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

namespace Foam
{

class incompressibleTwoPhaseInteractingMixture;

namespace mixtureViscosityModels
{

/*---------------------------------------------------------------------------*\
                           Class slurry Declaration
\*---------------------------------------------------------------------------*/

class slurry
:
    public mixtureViscosityModel
{
protected:

    // Protected data

        //- Slurry phase fraction
        const volScalarField& alpha_;


public:

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


    // Constructors

        //- Construct from components
        slurry
        (
            const word& name,
            const dictionary& viscosityProperties,
            const volVectorField& U,
            const surfaceScalarField& phi,
            const word modelName=typeName
        );


    //- Destructor
    ~slurry()
    {}


    // Member Functions

        //- Return the mixture viscosity
        //  given the viscosity of the continuous phase
        tmp<volScalarField> mu(const volScalarField& muc) const;

        //- Read transportProperties dictionary
        bool read(const dictionary& viscosityProperties);
};


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

} // End namespace mixtureViscosityModels
} // End namespace Foam

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

#endif

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