mixtureAdiabaticFlameT.C

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2023 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/>.
 
Application
    mixtureAdiabaticFlameT
 
Description
    Calculates the adiabatic flame temperature for a given mixture
    at a given temperature.
 
\*---------------------------------------------------------------------------*/
 
#include "argList.H"
#include "dictionary.H"
#include "IFstream.H"
#include "OSspecific.H"
#include "etcFiles.H"
 
#include "specie.H"
#include "perfectGas.H"
#include "thermo.H"
#include "janafThermo.H"
#include "absoluteEnthalpy.H"
#include "mixture.H"
 
using namespace Foam;
 
typedef species::thermo<janafThermo<perfectGas<specie>>, absoluteEnthalpy>
    thermo;
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
int main(int argc, char *argv[])
{
    #include "removeCaseOptions.H"
 
    argList::validArgs.append("properties dictionary");
    argList args(argc, argv);
 
    const fileName propertiesFileName(args[1]);
 
    // Construct properties dictionary
    IFstream propertiesFile(propertiesFileName);
 
    // Check propertiesFile stream is OK
    if (!propertiesFile.good())
    {
        FatalErrorInFunction
            << "Cannot read file " << propertiesFileName
            << abort(FatalError);
    }
 
    dictionary properties(propertiesFile);
 
 
    scalar p(properties.lookup<scalar>("P"));
    scalar T0(properties.lookup<scalar>("T0"));
    mixture rMix(properties.lookup("reactants"));
    mixture pMix(properties.lookup("products"));
 
 
    Info<< nl << "Reading thermodynamic data dictionary" << endl;
 
    fileName thermoDataFileName(findEtcFile("thermoData/thermoData"));
 
    // Construct properties dictionary
    IFstream thermoDataFile(thermoDataFileName);
 
    // Check thermoData stream is OK
    if (!thermoDataFile.good())
    {
        FatalErrorInFunction
            << "Cannot read file " << thermoDataFileName
            << abort(FatalError);
    }
 
    dictionary thermoData(thermoDataFile);
 
 
    const thermo reactant0
    (
        rMix[0].name(),
        thermoData.subDict(rMix[0].name())
    );
 
    thermo reactants(rMix[0].volFrac()*reactant0.rho(p, T0)*reactant0);
 
    for (label i=1; i<rMix.size(); i++)
    {
        const thermo reactanti
        (
            rMix[i].name(),
            thermoData.subDict(rMix[i].name())
        );
        reactants += rMix[i].volFrac()*reactanti.rho(p, T0)*reactanti;
    }
 
    const thermo product0
    (
        pMix[0].name(),
        thermoData.subDict(pMix[0].name())
    );
    thermo products(pMix[0].volFrac()*product0.rho(p, T0)*product0);
 
    for (label i=1; i<pMix.size(); i++)
    {
        const thermo producti
        (
            pMix[i].name(),
            thermoData.subDict(pMix[i].name())
        );
        products += pMix[i].volFrac()*producti.rho(p, T0)*producti;
    }
 
    Info<< "Adiabatic flame temperature of mixture " << rMix.name() << " = "
         << products.THa(reactants.Ha(p, T0), p, 1000.0) << " K" << endl;
 
    return 0;
}
 
 
// ************************************************************************* //