COxidationIntrinsicRate.H

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    Copyright (C) 2014-2016 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
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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.
 
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    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
    Foam::COxidationIntrinsicRate
 
Group
    grpLagrangianIntermediateSurfaceReactionSubModels
 
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() = default;
 
 
    // Member Functions
 
        //- Update surface reactions
        virtual scalar calculate
        (
            const scalar dt,
            const scalar Re,
            const scalar nu,
            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
 
// ************************************************************************* //