liquidphase2c.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
//
// SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_LIQUID_TWOC_PHASE_HH
#define DUMUX_LIQUID_TWOC_PHASE_HH
 
#include <cassert>
#include <limits>
 
#include <dune/common/exceptions.hh>
#include <dumux/material/fluidsystems/base.hh>
#include <dumux/material/binarycoefficients/h2o_constant.hh>
#include <dumux/io/name.hh>
 
namespace Dumux {
namespace FluidSystems {
 
template <class Scalar, class MainComponent, class SecondComponent>
class LiquidPhaseTwoC
: public Base<Scalar, LiquidPhaseTwoC<Scalar, MainComponent, SecondComponent> >
{
    using ThisType = LiquidPhaseTwoC<Scalar, MainComponent, SecondComponent>;
    using BinaryCoefficients = BinaryCoeff::H2O_Component<Scalar, SecondComponent>;
 
public:
    using ParameterCache = NullParameterCache;
 
    static constexpr int numPhases = 1; 
    static constexpr int numComponents = 2; 
 
    static constexpr int liquidPhaseIdx = 0; 
    static constexpr int phase0Idx = liquidPhaseIdx; 
 
    static constexpr int comp0Idx = 0; 
    static constexpr int comp1Idx = 1; 
    static constexpr int mainCompIdx = comp0Idx; 
    static constexpr int secondCompIdx = comp1Idx; 
 
    static void init() {}
 
    /****************************************
     * Fluid phase related static parameters
     ****************************************/
    static std::string phaseName(int phaseIdx = 0)
    { return IOName::liquidPhase(); }
 
    static constexpr bool isMiscible()
    { return false; }
 
    static std::string componentName(int compIdx)
    { return compIdx ? SecondComponent::name() : MainComponent::name(); }
 
    static std::string name()
    { return "LiquidPhaseTwoC"; }
 
    static constexpr bool isGas(int phaseIdx = 0)
    { return false; }
 
    static bool isIdealMixture(int phaseIdx = 0)
    { return true; }
 
    static constexpr bool isCompressible(int phaseIdx = 0)
    { return MainComponent::liquidIsCompressible(); }
 
    static bool isIdealGas(int phaseIdx = 0)
    { return false; /* we're a liquid! */ }
 
    static Scalar molarMass(int compIdx)
    {  return compIdx ? SecondComponent::molarMass() : MainComponent::molarMass(); }
 
    static Scalar criticalTemperature()
    {  return MainComponent::criticalTemperature(); }
 
    static Scalar criticalPressure()
    {  return MainComponent::criticalPressure(); }
 
    static Scalar tripleTemperature()
    {  return MainComponent::tripleTemperature(); }
 
    static Scalar triplePressure()
    { return MainComponent::triplePressure(); }
 
    static Scalar vaporPressure(Scalar T)
    {  return MainComponent::vaporPressure(T); }
 
    static Scalar density(Scalar temperature, Scalar pressure)
    {  return MainComponent::liquidDensity(temperature, pressure); }
 
    using Base<Scalar, ThisType>::density;
    template <class FluidState>
    static Scalar density(const FluidState &fluidState,
                          const int phaseIdx = 0)
    {
        const Scalar T = fluidState.temperature(phaseIdx);
        const Scalar p = fluidState.pressure(phaseIdx);
 
        // See: Eq. (7) in Class et al. (2002a)
        // This assumes each gas molecule displaces exactly one
        // molecule in the liquid.
        const Scalar pureComponentMolarDensity = MainComponent::liquidMolarDensity(T, p);
 
        return pureComponentMolarDensity
               * (MainComponent::molarMass()*fluidState.moleFraction(phase0Idx, mainCompIdx)
                  + SecondComponent::molarMass()*fluidState.moleFraction(phase0Idx, secondCompIdx));
    }
 
    using Base<Scalar, ThisType>::molarDensity;
    template <class FluidState>
    static Scalar molarDensity(const FluidState &fluidState, int phaseIdx)
    {
        const Scalar T = fluidState.temperature(phaseIdx);
        const Scalar p = fluidState.pressure(phaseIdx);
 
        // assume pure component or that each gas molecule displaces exactly one
        // molecule in the liquid.
        return MainComponent::liquidMolarDensity(T, p);
    }
 
    static Scalar pressure(Scalar temperature, Scalar density)
    {  return MainComponent::liquidPressure(temperature, density); }
 
    static const Scalar enthalpy(Scalar temperature, Scalar pressure)
    {  return MainComponent::liquidEnthalpy(temperature, pressure); }
 
    using Base<Scalar, ThisType>::enthalpy;
    template <class FluidState>
    static Scalar enthalpy(const FluidState &fluidState,
                           const int phaseIdx)
    {
        return enthalpy(fluidState.temperature(phaseIdx),
                        fluidState.pressure(phaseIdx));
    }
 
    template <class FluidState>
    static Scalar componentEnthalpy(const FluidState &fluidState,
                                    int phaseIdx,
                                    int componentIdx)
    {
        const Scalar T = fluidState.temperature(phaseIdx);
        const Scalar p = fluidState.pressure(phaseIdx);
 
        if (componentIdx == mainCompIdx)
            return MainComponent::liquidEnthalpy(T, p);
        else if (componentIdx == secondCompIdx)
            return SecondComponent::liquidEnthalpy(T, p);
        else
            DUNE_THROW(Dune::InvalidStateException, "Invalid component index " << componentIdx);
    }
 
    static const Scalar internalEnergy(Scalar temperature, Scalar pressure)
    { return MainComponent::liquidInternalEnergy(temperature, pressure); }
 
    static Scalar viscosity(Scalar temperature, Scalar pressure)
    {  return MainComponent::liquidViscosity(temperature, pressure); }
 
    using Base<Scalar, ThisType>::viscosity;
    template <class FluidState>
    static Scalar viscosity(const FluidState &fluidState,
                            const int phaseIdx)
    {
        return viscosity(fluidState.temperature(phaseIdx),
                         fluidState.pressure(phaseIdx));
    }
 
    using Base<Scalar, ThisType>::fugacityCoefficient;
    template <class FluidState>
    static Scalar fugacityCoefficient(const FluidState &fluidState,
                                      int phaseIdx,
                                      int compIdx)
    {
        assert(0 <= phaseIdx  && phaseIdx < numPhases);
        assert(0 <= compIdx  && compIdx < numComponents);
 
        if (phaseIdx == compIdx)
            // We could calculate the real fugacity coefficient of
            // the component in the fluid. Probably that's not worth
            // the effort, since the fugacity coefficient of the other
            // component is infinite anyway...
            return 1.0;
        return std::numeric_limits<Scalar>::infinity();
    }
 
    using Base<Scalar, ThisType>::diffusionCoefficient;
    template <class FluidState>
    static Scalar diffusionCoefficient(const FluidState &fluidState,
                                       int phaseIdx,
                                       int compIdx)
    {
        DUNE_THROW(Dune::InvalidStateException, "Not applicable: Diffusion coefficients");
    }
 
    using Base<Scalar, ThisType>::binaryDiffusionCoefficient;
    template <class FluidState>
    static Scalar binaryDiffusionCoefficient(const FluidState &fluidState, int phaseIdx, int compIIdx, int compJIdx)
    {
        assert(phaseIdx < numPhases);
        return BinaryCoefficients::liquidDiffCoeff(fluidState.temperature(phaseIdx), fluidState.pressure(phaseIdx));
    }
 
    static Scalar thermalConductivity(Scalar temperature, Scalar pressure)
    { return MainComponent::liquidThermalConductivity(temperature, pressure); }
 
    using Base<Scalar, ThisType>::thermalConductivity;
    template <class FluidState>
    static Scalar thermalConductivity(const FluidState &fluidState,
                                      const int phaseIdx)
    {
        return thermalConductivity(fluidState.temperature(phaseIdx),
                                   fluidState.pressure(phaseIdx));
    }
 
    static Scalar heatCapacity(Scalar temperature, Scalar pressure)
    { return MainComponent::liquidHeatCapacity(temperature, pressure); }
 
    using Base<Scalar, ThisType>::heatCapacity;
    template <class FluidState>
    static Scalar heatCapacity(const FluidState &fluidState,
                               const int phaseIdx)
    {
        return heatCapacity(fluidState.temperature(phaseIdx),
                            fluidState.pressure(phaseIdx));
    }
};
 
} // namespace FluidSystems
 
} // namespace Dumux
 
#endif