95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/*
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Copyright (C) 2009-2013 by Andreas Lauser
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*!
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* \file
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*
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* \copydoc Opm::BinaryCoeff::H2O_CO2
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*/
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#ifndef OPM_BINARY_COEFF_H2O_CO2_HPP
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#define OPM_BINARY_COEFF_H2O_CO2_HPP
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#include <opm/material/binarycoefficients/HenryIapws.hpp>
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#include <opm/material/binarycoefficients/FullerMethod.hpp>
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#include <opm/material/components/H2O.hpp>
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#include <opm/material/components/SimpleCO2.hpp>
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namespace Opm {
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namespace BinaryCoeff {
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/*!
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* \ingroup Binarycoefficients
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* \brief Binary coefficients for water and CO2.
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*/
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class H2O_CO2
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{
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public:
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/*!
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* \brief Henry coefficent \f$[N/m^2]\f$ for molecular CO2 in liquid water.
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*
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* See:
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*
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* IAPWS: "Guideline on the Henry's Constant and Vapor-Liquid
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* Distribution Constant for Gases in H2O and D2O at High
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* Temperatures"
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* http://www.iapws.org/relguide/HenGuide.pdf
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*/
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template <class Scalar>
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static Scalar henry(Scalar temperature)
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{
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const Scalar E = 1672.9376;
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const Scalar F = 28.1751;
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const Scalar G = -112.4619;
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const Scalar H = 85.3807;
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return henryIAPWS(E, F, G, H, temperature);
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}
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/*!
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* \brief Binary diffusion coefficent [m^2/s] for molecular water and CO2.
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*
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* To calculate the values, the \ref fullerMethod is used.
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*/
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template <class Scalar>
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static Scalar gasDiffCoeff(Scalar temperature, Scalar pressure)
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{
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typedef Opm::H2O<Scalar> H2O;
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typedef Opm::SimpleCO2<Scalar> CO2;
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// atomic diffusion volumes
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const Scalar SigmaNu[2] = { 13.1 /* H2O */, 26.9 /* CO2 */ };
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// molar masses [g/mol]
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const Scalar M[2] = { H2O::molarMass()*1e3, CO2::molarMass()*1e3 };
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return fullerMethod(M, SigmaNu, temperature, pressure);
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}
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/*!
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* \brief Diffusion coefficent [m^2/s] for molecular CO2 in liquid water.
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*/
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template <class Scalar>
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static Scalar liquidDiffCoeff(Scalar temperature, Scalar pressure)
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{ OPM_THROW(std::runtime_error, "Not implemented: Binary liquid diffusion coefficients of CO2 and CH4"); }
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};
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} // namespace BinaryCoeff
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} // namespace Opm
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#endif
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