1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2008-2009 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
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12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
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23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 \*---------------------------------------------------------------------------*/
27 #include "SingleKineticRateDevolatilisation.H"
29 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
31 template <class CloudType>
32 Foam::SingleKineticRateDevolatilisation<CloudType>::
33 SingleKineticRateDevolatilisation
35 const dictionary& dict,
39 DevolatilisationModel<CloudType>(dict, owner, typeName),
40 A1_(dimensionedScalar(this->coeffDict().lookup("A1")).value()),
41 E_(dimensionedScalar(this->coeffDict().lookup("E")).value()),
42 volatileResidualCoeff_
44 readScalar(this->coeffDict().lookup("volatileResidualCoeff"))
49 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
51 template <class CloudType>
52 Foam::SingleKineticRateDevolatilisation<CloudType>::
53 ~SingleKineticRateDevolatilisation()
57 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
59 template<class CloudType>
60 bool Foam::SingleKineticRateDevolatilisation<CloudType>::active() const
66 template<class CloudType>
67 Foam::scalar Foam::SingleKineticRateDevolatilisation<CloudType>::calculate
73 const scalar YVolatile0,
74 const scalar YVolatile,
78 const scalar massVolatile0 = YVolatile0*mass;
79 const scalar massVolatile = YVolatile*mass;
81 if (massVolatile <= volatileResidualCoeff_*massVolatile0)
87 const scalar kappa = A1_*exp(-E_/(specie::RR*T));
89 // Volatile devolatilisation from particle to carrier gas phase
90 const scalar dMass = min(dt*kappa*massVolatile, massVolatile);
96 // ************************************************************************* //