H2O_N2.hpp

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:
/*
  This file is part of the Open Porous Media project (OPM).
 
  OPM 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 2 of the License, or
  (at your option) any later version.
 
  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
 
  Consult the COPYING file in the top-level source directory of this
  module for the precise wording of the license and the list of
  copyright holders.
*/
#ifndef OPM_BINARY_COEFF_H2O_N2_HPP
#define OPM_BINARY_COEFF_H2O_N2_HPP
 
#include "HenryIapws.hpp"
#include "FullerMethod.hpp"
 
#include <opm/material/components/N2.hpp>
#include <opm/material/components/H2O.hpp>
 
namespace Opm {
namespace BinaryCoeff {
 
class H2O_N2
{
public:
    template <class Evaluation>
    static Evaluation henry(const Evaluation& temperature)
    {
        const double E = 2388.8777;
        const double F = -14.9593;
        const double G = 42.0179;
        const double H = -29.4396;
 
        return henryIAPWS(E, F, G, H, temperature);
    }
 
    template <class Evaluation>
    static Evaluation gasDiffCoeff(const Evaluation& temperature, const Evaluation& pressure)
    {
        typedef H2O<double> H2O;
        typedef N2<double> N2;
 
        // atomic diffusion volumes
        const double SigmaNu[2] = { 13.1 /* H2O */,  18.5 /* N2 */ };
        // molar masses [g/mol]
        const double M[2] = { H2O::molarMass()*1e3, N2::molarMass()*1e3 };
 
        return fullerMethod(M, SigmaNu, temperature, pressure);
    }
 
    template <class Evaluation>
    static Evaluation liquidDiffCoeff(const Evaluation& temperature, const Evaluation& /*pressure*/)
    {
        const double Texp = 273.15 + 25; // [K]
        const double Dexp = 2.01e-9; // [m^2/s]
 
        return Dexp * temperature/Texp;
    }
};
 
} // namespace BinaryCoeff
} // namespace Opm
 
#endif