h2o_o2.hh

Go to the documentation of this file.

// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*****************************************************************************
 *   See the file COPYING for full copying permissions.                      *
 *                                                                           *
 *   This program 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.                                     *
 *                                                                           *
 *   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.   *
 *****************************************************************************/
#ifndef DUMUX_BINARY_COEFF_H2O_O2_HH
#define DUMUX_BINARY_COEFF_H2O_O2_HH
 
#include <dumux/material/binarycoefficients/henryiapws.hh>
#include <dumux/material/binarycoefficients/fullermethod.hh>
 
#include <dumux/material/components/o2.hh>
#include <dumux/material/components/h2o.hh>
 
namespace Dumux {
namespace BinaryCoeff {
 
class H2O_O2
{
public:
    template <class Scalar>
    static Scalar henry(Scalar temperature)
    {
        const Scalar E = 2305.0674;
        const Scalar F = -11.3240;
        const Scalar G = 25.3224;
        const Scalar H = -15.6449;
 
        return henryIAPWS(E, F, G, H, temperature);
    }
 
    template <class Scalar>
    static Scalar gasDiffCoeff(Scalar temperature, Scalar pressure)
    {
        using H2O = Dumux::Components::H2O<Scalar>;
        using O2 = Components::O2<Scalar>;
 
        // atomic diffusion volumes
        const Scalar SigmaNu[2] = { 13.1 /* H2O */,  16.3 /* O2 */ };
        // molar masses [g/mol]
        const Scalar M[2] = { H2O::molarMass()*1e3, O2::molarMass()*1e3 };
 
        return fullerMethod(M, SigmaNu, temperature, pressure);
    }
 
    template <class Scalar>
    static Scalar liquidDiffCoeff(Scalar temperature, Scalar pressure)
    {
        const Scalar Texp = 273.15 + 25; // [K]
        const Scalar Dexp = 2.2e-9; // [m^2/s]
        return Dexp * temperature/Texp;
    }
};
 
} // end namespace BinaryCoeff
} // end namespace Dumux
 
#endif