egrMixture.C

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#include "egrMixture.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class ThermoType>
Foam::egrMixture<ThermoType>::egrMixture(const dictionary& dict)
:
    stoicRatio_("stoichiometricAirFuelMassRatio", dimless, dict),
    fuel_("fuel", dict.subDict("fuel")),
    oxidant_("oxidant", dict.subDict("oxidant")),
    products_("burntProducts", dict.subDict("burntProducts")),
    mixture_("mixture", fuel_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class ThermoType>
const ThermoType& Foam::egrMixture<ThermoType>::mixture
(
    const scalar ft,
    const scalar b,
    const scalar egr
) const
{
    if (ft < 0.0001 && egr < 0.0001)
    {
        return oxidant_;
    }
    else
    {
        scalar fu = b*ft + (1 - b)*fres(ft);
        scalar ox = 1 - ft - (ft - fu)*stoicRatio_.value();
 
        fu *= 1 - egr;
        ox *= 1 - egr;
 
        const scalar pr = 1 - fu - ox;
 
        mixture_ = fu*fuel_;
        mixture_ += ox*oxidant_;
        mixture_ += pr*products_;
 
        return mixture_;
    }
}
 
 
template<class ThermoType>
const typename Foam::egrMixture<ThermoType>::thermoMixtureType&
Foam::egrMixture<ThermoType>::thermoMixture
(
    const scalarFieldListSlice& Y
) const
{
    return mixture(Y[FT], Y[B], Y[EGR]);
}
 
 
template<class ThermoType>
const typename Foam::egrMixture<ThermoType>::transportMixtureType&
Foam::egrMixture<ThermoType>::transportMixture
(
    const scalarFieldListSlice& Y
) const
{
    return mixture(Y[FT], Y[B], Y[EGR]);
}
 
 
template<class ThermoType>
const typename Foam::egrMixture<ThermoType>::transportMixtureType&
Foam::egrMixture<ThermoType>::transportMixture
(
    const scalarFieldListSlice&,
    const thermoMixtureType& mixture
) const
{
    return mixture;
}
 
 
template<class ThermoType>
const typename Foam::egrMixture<ThermoType>::thermoType&
Foam::egrMixture<ThermoType>::reactants(const scalarFieldListSlice& Y) const
{
    return mixture(Y[FT], 1, Y[EGR]);
}
 
 
template<class ThermoType>
const typename Foam::egrMixture<ThermoType>::thermoType&
Foam::egrMixture<ThermoType>::products(const scalarFieldListSlice& Y) const
{
    return mixture(Y[FT], 0, 0);
}
 
 
template<class ThermoType>
void Foam::egrMixture<ThermoType>::read(const dictionary& dict)
{
    stoicRatio_ =
        dimensionedScalar("stoichiometricAirFuelMassRatio", dimless, dict);
 
    fuel_ = ThermoType("fuel", dict.subDict("fuel"));
    oxidant_ = ThermoType("oxidant", dict.subDict("oxidant"));
    products_ = ThermoType("burntProducts", dict.subDict("burntProducts"));
}
 
 
// ************************************************************************* //