COxidationIntrinsicRate.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2014-2015 OpenFOAM Foundation
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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
    (at your option) any later version.
 
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Class
    Foam::COxidationIntrinsicRate
 
Description
    Intrinsic char surface reaction mndel
 
        C(s) + Sb*O2 -> CO2
 
    where Sb is the stoichiometry of the reaction
 
\*---------------------------------------------------------------------------*/
 
#ifndef COxidationIntrinsicRate_H
#define COxidationIntrinsicRate_H
 
#include "SurfaceReactionModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
// Forward class declarations
template<class CloudType>
class COxidationIntrinsicRate;
 
/*---------------------------------------------------------------------------*\
                   Class COxidationIntrinsicRate Declaration
\*---------------------------------------------------------------------------*/
 
template<class CloudType>
class COxidationIntrinsicRate
:
    public SurfaceReactionModel<CloudType>
{
    // Private data
 
        // Model constants
 
            //- Stoichiometry of reaction []
            const scalar Sb_;
 
            //- Mass diffusion limited rate constant
            const scalar C1_;
 
            //- Mean pore radius [m]
            const scalar rMean_;
 
            //- Char porosity [] = 1 - rho_apparent/rho_true
            const scalar theta_;
 
            //- Pre-exponential factor
            const scalar Ai_;
 
            //- Activation energy
            const scalar Ei_;
 
            //- Char specific internal area [m2/kg]
            const scalar Ag_;
 
            //- Pore tortuosity []; default to sqrt(2)
            const scalar tau_;
 
 
        // 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_;
 
            //- Formation enthalpy for CO2 [J/kg]
            scalar HcCO2_;
 
 
public:
 
    //- Runtime type information
    TypeName("COxidationIntrinsicRate");
 
 
    // Constructors
 
        //- Construct from dictionary
        COxidationIntrinsicRate
        (
            const dictionary& dict,
            CloudType& owner
        );
 
        //- Construct copy
        COxidationIntrinsicRate
        (
            const COxidationIntrinsicRate<CloudType>& srm
        );
 
        //- Construct and return a clone
        virtual autoPtr<SurfaceReactionModel<CloudType> > clone() const
        {
            return autoPtr<SurfaceReactionModel<CloudType> >
            (
                new COxidationIntrinsicRate<CloudType>(*this)
            );
        }
 
 
    //- Destructor
    virtual ~COxidationIntrinsicRate();
 
 
    // Member Functions
 
        //- 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 "COxidationIntrinsicRate.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //