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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2008-2010 OpenCFD Ltd.
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Class
    COxidationDiffusionLimitedRate

Description
    Diffusion limited rate surface reaction model for coal parcels. Limited to:

        C(s) + Sb*O2 -> CO2

    where Sb is the stoichiometry of the reaction

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

#ifndef COxidationDiffusionLimitedRate_H
#define COxidationDiffusionLimitedRate_H

#include <lagrangianIntermediate/SurfaceReactionModel.H>

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

// Forward class declarations
template<class CloudType>
class COxidationDiffusionLimitedRate;

namespace Foam
{
/*---------------------------------------------------------------------------*\
              Class COxidationDiffusionLimitedRate Declaration
\*---------------------------------------------------------------------------*/

template<class CloudType>
class COxidationDiffusionLimitedRate
:
    public SurfaceReactionModel<CloudType>
{
    // Private data

        // Model constants

            //- Stoichiometry of reaction
            const scalar Sb_;

            //- Diffusion coefficient of oxidants [m2/s]
            const scalar D_;


        // Addressing

            //- Cs positions in global/local lists
            label CsLocalId_;

            //- O2 position in global list
            label O2GlobalId_;

            //- CO2 positions in global list
            label CO2GlobalId_;


        // Local copies of thermo properties

            //- Molecular weight of C [kg/kmol]
            scalar WC_;

            //- Molecular weight of O2 [kg/kmol]
            scalar WO2_;

            //- Chemical enthalpy of CO2 [J/kg]
            scalar HcCO2_;


public:

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


    // Constructors

        //- Construct from dictionary
        COxidationDiffusionLimitedRate
        (
            const dictionary& dict,
            CloudType& owner
        );


    //- Destructor
    virtual ~COxidationDiffusionLimitedRate();


    // Member Functions

        //- Flag to indicate whether model activates surface reaction model
        virtual bool active() const;

        //- Update surface reactions
        virtual scalar calculate
        (
            const scalar dt,
            const label cellI,
            const scalar d,
            const scalar T,
            const scalar Tc,
            const scalar pc,
            const scalar rhoc,
            const scalar mass,
            const scalarField& YGas,
            const scalarField& YLiquid,
            const scalarField& YSolid,
            const scalarField& YMixture,
            const scalar N,
            scalarField& dMassGas,
            scalarField& dMassLiquid,
            scalarField& dMassSolid,
            scalarField& dMassSRCarrier
        ) const;
};


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

} // End namespace Foam

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

#ifdef NoRepository
    #include "COxidationDiffusionLimitedRate.C"
#endif

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

#endif

// ************************ vim: set sw=4 sts=4 et: ************************ //