ConstantRateDevolatilisation.C

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#include <lagrangianIntermediate/ConstantRateDevolatilisation.H>

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

template <class CloudType>
Foam::ConstantRateDevolatilisation<CloudType>::ConstantRateDevolatilisation
(
    const dictionary& dict,
    CloudType& owner
)
:
    DevolatilisationModel<CloudType>(dict, owner, typeName),
    A0_(dimensionedScalar(this->coeffDict().lookup("A0")).value()),
    volatileResidualCoeff_
    (
        readScalar(this->coeffDict().lookup("volatileResidualCoeff"))
    )
{}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

template <class CloudType>
Foam::ConstantRateDevolatilisation<CloudType>::~ConstantRateDevolatilisation()
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

template<class CloudType>
bool Foam::ConstantRateDevolatilisation<CloudType>::active() const
{
    return true;
}


template<class CloudType>
Foam::scalar Foam::ConstantRateDevolatilisation<CloudType>::calculate
(
    const scalar dt,
    const scalar mass0,
    const scalar mass,
    const scalar T,
    const scalar YVolatile0,
    const scalar YVolatile,
    bool& canCombust
) const
{
    const scalar massVolatile0 = YVolatile0*mass0;
    const scalar massVolatile  = YVolatile*mass;

    if (massVolatile <= volatileResidualCoeff_*massVolatile0)
    {
        canCombust = true;
    }

    // Volatile devolatilisation from particle to carrier gas phase
    const scalar dMass = min(dt*A0_*massVolatile0, massVolatile);

    return dMass;
}


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