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inhomogeneousMixture.C

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
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00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software: you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by
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00014     (at your option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
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00023 
00024 \*---------------------------------------------------------------------------*/
00025 
00026 #include "inhomogeneousMixture.H"
00027 #include <finiteVolume/fvMesh.H>
00028 
00029 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
00030 
00031 template<class ThermoType>
00032 const char* Foam::inhomogeneousMixture<ThermoType>::specieNames_[2] =
00033     {"ft", "bprog"};
00034 
00035 
00036 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
00037 
00038 template<class ThermoType>
00039 Foam::inhomogeneousMixture<ThermoType>::inhomogeneousMixture
00040 (
00041     const dictionary& thermoDict,
00042     const fvMesh& mesh
00043 )
00044 :
00045     basicMultiComponentMixture
00046     (
00047         thermoDict,
00048         speciesTable(nSpecies_, specieNames_),
00049         mesh
00050     ),
00051 
00052     stoicRatio_(thermoDict.lookup("stoichiometricAirFuelMassRatio")),
00053 
00054     fuel_(thermoDict.lookup("fuel")),
00055     oxidant_(thermoDict.lookup("oxidant")),
00056     products_(thermoDict.lookup("burntProducts")),
00057 
00058     mixture_("mixture", fuel_),
00059 
00060     ft_(Y("ft")),
00061     b_(Y("bprog"))
00062 {}
00063 
00064 
00065 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
00066 
00067 template<class ThermoType>
00068 const ThermoType& Foam::inhomogeneousMixture<ThermoType>::mixture
00069 (
00070     const scalar ft,
00071     const scalar b
00072 ) const
00073 {
00074     if (ft < 0.0001)
00075     {
00076         return oxidant_;
00077     }
00078     else
00079     {
00080         scalar fu = b*ft + (1.0 - b)*fres(ft, stoicRatio().value());
00081         scalar ox = 1 - ft - (ft - fu)*stoicRatio().value();
00082         scalar pr = 1 - fu - ox;
00083 
00084         mixture_ = fu/fuel_.W()*fuel_;
00085         mixture_ += ox/oxidant_.W()*oxidant_;
00086         mixture_ += pr/products_.W()*products_;
00087 
00088         return mixture_;
00089     }
00090 }
00091 
00092 
00093 template<class ThermoType>
00094 void Foam::inhomogeneousMixture<ThermoType>::read(const dictionary& thermoDict)
00095 {
00096     stoicRatio_ = thermoDict.lookup("stoichiometricAirFuelMassRatio");
00097 
00098     fuel_ = ThermoType(thermoDict.lookup("fuel"));
00099     oxidant_ = ThermoType(thermoDict.lookup("oxidant"));
00100     products_ = ThermoType(thermoDict.lookup("burntProducts"));
00101 }
00102 
00103 
00104 // ************************ vim: set sw=4 sts=4 et: ************************ //
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