/
egrMixture.C
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/
egrMixture.C
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2017 OpenFOAM Foundation
\\/ 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/>.
\*---------------------------------------------------------------------------*/
#include "egrMixture.H"
#include "fvMesh.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
template<class ThermoType>
const char* Foam::egrMixture<ThermoType>::specieNames_[3] = {"ft", "b", "egr"};
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class ThermoType>
Foam::egrMixture<ThermoType>::egrMixture
(
const dictionary& thermoDict,
const fvMesh& mesh,
const word& phaseName
)
:
basicCombustionMixture
(
thermoDict,
speciesTable(nSpecies_, specieNames_),
mesh,
phaseName
),
stoicRatio_(thermoDict.lookup("stoichiometricAirFuelMassRatio")),
fuel_(thermoDict.subDict("fuel")),
oxidant_(thermoDict.subDict("oxidant")),
products_(thermoDict.subDict("burntProducts")),
mixture_("mixture", fuel_),
ft_(Y("ft")),
b_(Y("b")),
egr_(Y("egr"))
{}
// * * * * * * * * * * * * * * * 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)
{
return oxidant_;
}
else
{
scalar fu = b*ft + (1.0 - b)*fres(ft, stoicRatio().value());
scalar ox = 1 - ft - (ft - fu)*stoicRatio().value();
fu *= (1.0 - egr);
ox *= (1.0 - egr);
scalar pr = 1 - fu - ox;
mixture_ = fu*fuel_;
mixture_ += ox*oxidant_;
mixture_ += pr*products_;
return mixture_;
}
}
template<class ThermoType>
void Foam::egrMixture<ThermoType>::read(const dictionary& thermoDict)
{
stoicRatio_ = thermoDict.lookup("stoichiometricAirFuelMassRatio");
fuel_ = ThermoType(thermoDict.subDict("fuel"));
oxidant_ = ThermoType(thermoDict.subDict("oxidant"));
products_ = ThermoType(thermoDict.subDict("burntProducts"));
}
template<class ThermoType>
const ThermoType& Foam::egrMixture<ThermoType>::getLocalThermo
(
const label speciei
) const
{
if (speciei == 0)
{
return fuel_;
}
else if (speciei == 1)
{
return oxidant_;
}
else if (speciei == 2)
{
return products_;
}
else
{
FatalErrorInFunction
<< "Unknown specie index " << speciei << ". Valid indices are 0..2"
<< abort(FatalError);
return fuel_;
}
}
// ************************************************************************* //