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OilPvtThermal.hpp
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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:
/*
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_OIL_PVT_THERMAL_HPP
#define OPM_OIL_PVT_THERMAL_HPP
#include <opm/material/common/Tabulated1DFunction.hpp>
#include <cstddef>
namespace Opm {
#if HAVE_ECL_INPUT
class EclipseState;
class Schedule;
#endif
template <class Scalar, bool enableThermal>
class OilPvtMultiplexer;
template <class Scalar>
class OilPvtThermal
{
public:
using TabulatedOneDFunction = Tabulated1DFunction<Scalar>;
using IsothermalPvt = OilPvtMultiplexer<Scalar, /*enableThermal=*/false>;
OilPvtThermal() = default;
OilPvtThermal(IsothermalPvt* isothermalPvt,
const std::vector<TabulatedOneDFunction>& oilvisctCurves,
const std::vector<Scalar>& viscrefPress,
const std::vector<Scalar>& viscrefRs,
const std::vector<Scalar>& viscRef,
const std::vector<Scalar>& oildentRefTemp,
const std::vector<Scalar>& oildentCT1,
const std::vector<Scalar>& oildentCT2,
const std::vector<Scalar>& oilJTRefPres,
const std::vector<Scalar>& oilJTC,
const std::vector<TabulatedOneDFunction>& internalEnergyCurves,
bool enableThermalDensity,
bool enableJouleThomson,
bool enableThermalViscosity,
bool enableInternalEnergy)
: isothermalPvt_(isothermalPvt)
, oilvisctCurves_(oilvisctCurves)
, viscrefPress_(viscrefPress)
, viscrefRs_(viscrefRs)
, viscRef_(viscRef)
, oildentRefTemp_(oildentRefTemp)
, oildentCT1_(oildentCT1)
, oildentCT2_(oildentCT2)
, oilJTRefPres_(oilJTRefPres)
, oilJTC_(oilJTC)
, internalEnergyCurves_(internalEnergyCurves)
, enableThermalDensity_(enableThermalDensity)
, enableJouleThomson_(enableJouleThomson)
, enableThermalViscosity_(enableThermalViscosity)
, enableInternalEnergy_(enableInternalEnergy)
{ }
OilPvtThermal(const OilPvtThermal& data)
{ *this = data; }
~OilPvtThermal()
{ delete isothermalPvt_; }
#if HAVE_ECL_INPUT
void initFromState(const EclipseState& eclState, const Schedule& schedule);
#endif // HAVE_ECL_INPUT
void setNumRegions(std::size_t numRegions);
void setVapPars(const Scalar par1, const Scalar par2)
{
isothermalPvt_->setVapPars(par1, par2);
}
void initEnd()
{ }
bool enableThermalDensity() const
{ return enableThermalDensity_; }
bool enableJouleThomson() const
{ return enableJouleThomson_; }
bool enableThermalViscosity() const
{ return enableThermalViscosity_; }
std::size_t numRegions() const
{ return viscrefRs_.size(); }
template <class Evaluation>
Evaluation internalEnergy(unsigned regionIdx,
const Evaluation& temperature,
const Evaluation& pressure,
const Evaluation& Rs) const
{
if (!enableInternalEnergy_) {
throw std::runtime_error("Requested the internal energy of oil but it is disabled");
}
if (!enableJouleThomson_) {
// compute the specific internal energy for the specified tempature. We use linear
// interpolation here despite the fact that the underlying heat capacities are
// piecewise linear (which leads to a quadratic function)
return internalEnergyCurves_[regionIdx].eval(temperature, /*extrapolate=*/true);
}
else {
OpmLog::warning("Experimental code for jouleThomson: simulation will be slower");
Evaluation Tref = oildentRefTemp_[regionIdx];
Evaluation Pref = oilJTRefPres_[regionIdx];
Scalar JTC = oilJTC_[regionIdx]; // if JTC is default then JTC is calculated
Evaluation invB = inverseFormationVolumeFactor(regionIdx, temperature, pressure, Rs);
Evaluation Cp = internalEnergyCurves_[regionIdx].eval(temperature, /*extrapolate=*/true)/temperature;
Evaluation density = invB * (oilReferenceDensity(regionIdx) + Rs * rhoRefG_[regionIdx]);
Evaluation enthalpyPres;
if (JTC != 0) {
enthalpyPres = -Cp * JTC * (pressure - Pref);
}
else if (enableThermalDensity_) {
Scalar c1T = oildentCT1_[regionIdx];
Scalar c2T = oildentCT2_[regionIdx];
Evaluation alpha = (c1T + 2 * c2T * (temperature - Tref)) /
(1 + c1T *(temperature - Tref) + c2T * (temperature - Tref) * (temperature - Tref));
const int N = 100; // value is experimental
Evaluation deltaP = (pressure - Pref) / N;
Evaluation enthalpyPresPrev = 0;
for (std::size_t i = 0; i < N; ++i) {
Evaluation Pnew = Pref + i * deltaP;
Evaluation rho = inverseFormationVolumeFactor(regionIdx, temperature, Pnew, Rs) *
(oilReferenceDensity(regionIdx) + Rs * rhoRefG_[regionIdx]) ;
// see e.g.https://en.wikipedia.org/wiki/Joule-Thomson_effect for a derivation of the Joule-Thomson coeff.
Evaluation jouleThomsonCoefficient = -(1.0/Cp) * (1.0 - alpha * temperature)/rho;
Evaluation deltaEnthalpyPres = -Cp * jouleThomsonCoefficient * deltaP;
enthalpyPres = enthalpyPresPrev + deltaEnthalpyPres;
enthalpyPresPrev = enthalpyPres;
}
}
else {
throw std::runtime_error("Requested Joule-thomson calculation but thermal oil"
"density (OILDENT) is not provided");
}
Evaluation enthalpy = Cp * (temperature - Tref) + enthalpyPres;
return enthalpy - pressure/density;
}
}
template <class Evaluation>
Evaluation viscosity(unsigned regionIdx,
const Evaluation& temperature,
const Evaluation& pressure,
const Evaluation& Rs) const
{
const auto& isothermalMu = isothermalPvt_->viscosity(regionIdx, temperature, pressure, Rs);
if (!enableThermalViscosity()) {
return isothermalMu;
}
// compute the viscosity deviation due to temperature
const auto& muOilvisct = oilvisctCurves_[regionIdx].eval(temperature, /*extrapolate=*/true);
return muOilvisct / viscRef_[regionIdx] * isothermalMu;
}
template <class Evaluation>
Evaluation saturatedViscosity(unsigned regionIdx,
const Evaluation& temperature,
const Evaluation& pressure) const
{
const auto& isothermalMu = isothermalPvt_->saturatedViscosity(regionIdx, temperature, pressure);
if (!enableThermalViscosity()) {
return isothermalMu;
}
// compute the viscosity deviation due to temperature
const auto& muOilvisct = oilvisctCurves_[regionIdx].eval(temperature, /*extrapolate=*/true);
return muOilvisct / viscRef_[regionIdx] * isothermalMu;
}
template <class Evaluation>
Evaluation inverseFormationVolumeFactor(unsigned regionIdx,
const Evaluation& temperature,
const Evaluation& pressure,
const Evaluation& Rs) const
{
const auto& b =
isothermalPvt_->inverseFormationVolumeFactor(regionIdx, temperature, pressure, Rs);
if (!enableThermalDensity()) {
return b;
}
// we use the same approach as for the for water here, but with the OPM-specific
// OILDENT keyword.
Scalar TRef = oildentRefTemp_[regionIdx];
Scalar cT1 = oildentCT1_[regionIdx];
Scalar cT2 = oildentCT2_[regionIdx];
const Evaluation& Y = temperature - TRef;
return b / (1 + (cT1 + cT2 * Y) * Y);
}
template <class Evaluation>
Evaluation saturatedInverseFormationVolumeFactor(unsigned regionIdx,
const Evaluation& temperature,
const Evaluation& pressure) const
{
const auto& b =
isothermalPvt_->saturatedInverseFormationVolumeFactor(regionIdx, temperature, pressure);
if (!enableThermalDensity()) {
return b;
}
// we use the same approach as for the for water here, but with the OPM-specific
// OILDENT keyword.
Scalar TRef = oildentRefTemp_[regionIdx];
Scalar cT1 = oildentCT1_[regionIdx];
Scalar cT2 = oildentCT2_[regionIdx];
const Evaluation& Y = temperature - TRef;
return b / (1 + (cT1 + cT2 * Y) * Y);
}
template <class Evaluation>
Evaluation saturatedGasDissolutionFactor(unsigned regionIdx,
const Evaluation& temperature,
const Evaluation& pressure) const
{ return isothermalPvt_->saturatedGasDissolutionFactor(regionIdx, temperature, pressure); }
template <class Evaluation>
Evaluation saturatedGasDissolutionFactor(unsigned regionIdx,
const Evaluation& temperature,
const Evaluation& pressure,
const Evaluation& oilSaturation,
const Evaluation& maxOilSaturation) const
{ return isothermalPvt_->saturatedGasDissolutionFactor(regionIdx, temperature, pressure, oilSaturation, maxOilSaturation); }
template <class Evaluation>
Evaluation saturationPressure(unsigned regionIdx,
const Evaluation& temperature,
const Evaluation& pressure) const
{ return isothermalPvt_->saturationPressure(regionIdx, temperature, pressure); }
template <class Evaluation>
Evaluation diffusionCoefficient(const Evaluation& temperature,
const Evaluation& pressure,
unsigned compIdx) const
{
return isothermalPvt_->diffusionCoefficient(temperature, pressure, compIdx);
}
const IsothermalPvt* isoThermalPvt() const
{ return isothermalPvt_; }
Scalar oilReferenceDensity(unsigned regionIdx) const
{ return isothermalPvt_->oilReferenceDensity(regionIdx); }
Scalar hVap(unsigned regionIdx) const
{ return this->hVap_[regionIdx]; }
const std::vector<TabulatedOneDFunction>& oilvisctCurves() const
{ return oilvisctCurves_; }
const std::vector<Scalar>& viscrefPress() const
{ return viscrefPress_; }
const std::vector<Scalar>& viscrefRs() const
{ return viscrefRs_; }
const std::vector<Scalar>& viscRef() const
{ return viscRef_; }
const std::vector<Scalar>& oildentRefTemp() const
{ return oildentRefTemp_; }
const std::vector<Scalar>& oildentCT1() const
{ return oildentCT1_; }
const std::vector<Scalar>& oildentCT2() const
{ return oildentCT2_; }
const std::vector<TabulatedOneDFunction>& internalEnergyCurves() const
{ return internalEnergyCurves_; }
bool enableInternalEnergy() const
{ return enableInternalEnergy_; }
const std::vector<Scalar>& oilJTRefPres() const
{ return oilJTRefPres_; }
const std::vector<Scalar>& oilJTC() const
{ return oilJTC_; }
bool operator==(const OilPvtThermal<Scalar>& data) const;
OilPvtThermal<Scalar>& operator=(const OilPvtThermal<Scalar>& data);
private:
IsothermalPvt* isothermalPvt_{nullptr};
// The PVT properties needed for temperature dependence of the viscosity. We need
// to store one value per PVT region.
std::vector<TabulatedOneDFunction> oilvisctCurves_{};
std::vector<Scalar> viscrefPress_{};
std::vector<Scalar> viscrefRs_{};
std::vector<Scalar> viscRef_{};
// The PVT properties needed for temperature dependence of the density.
std::vector<Scalar> oildentRefTemp_{};
std::vector<Scalar> oildentCT1_{};
std::vector<Scalar> oildentCT2_{};
std::vector<Scalar> oilJTRefPres_{};
std::vector<Scalar> oilJTC_{};
std::vector<Scalar> rhoRefG_{};
std::vector<Scalar> hVap_{};
// piecewise linear curve representing the internal energy of oil
std::vector<TabulatedOneDFunction> internalEnergyCurves_{};
bool enableThermalDensity_{false};
bool enableJouleThomson_{false};
bool enableThermalViscosity_{false};
bool enableInternalEnergy_{false};
};
} // namespace Opm
#endif
Tabulated1DFunction.hpp
Implements a linearly interpolated scalar function that depends on one variable.
Opm::EclipseState
Definition EclipseState.hpp:63
Opm::OilPvtMultiplexer
This class represents the Pressure-Volume-Temperature relations of the oil phase in the black-oil mod...
Definition OilPvtMultiplexer.hpp:105
Opm::OilPvtMultiplexer::inverseFormationVolumeFactor
Evaluation inverseFormationVolumeFactor(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure, const Evaluation &Rs) const
Returns the formation volume factor [-] of the fluid phase.
Definition OilPvtMultiplexer.hpp:188
Opm::OilPvtMultiplexer::saturatedViscosity
Evaluation saturatedViscosity(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure) const
Returns the dynamic viscosity [Pa s] of the fluid phase given a set of parameters.
Definition OilPvtMultiplexer.hpp:179
Opm::OilPvtMultiplexer::saturatedInverseFormationVolumeFactor
Evaluation saturatedInverseFormationVolumeFactor(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure) const
Returns the formation volume factor [-] of the fluid phase.
Definition OilPvtMultiplexer.hpp:198
Opm::OilPvtMultiplexer::saturatedGasDissolutionFactor
Evaluation saturatedGasDissolutionFactor(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure) const
Returns the gas dissolution factor [m^3/m^3] of saturated oil.
Definition OilPvtMultiplexer.hpp:207
Opm::OilPvtMultiplexer::oilReferenceDensity
Scalar oilReferenceDensity(unsigned regionIdx) const
Return the reference density which are considered by this PVT-object.
Definition OilPvtMultiplexer.cpp:116
Opm::OilPvtMultiplexer::viscosity
Evaluation viscosity(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure, const Evaluation &Rs) const
Returns the dynamic viscosity [Pa s] of the fluid phase given a set of parameters.
Definition OilPvtMultiplexer.hpp:169
Opm::OilPvtMultiplexer::saturationPressure
Evaluation saturationPressure(unsigned regionIdx, const Evaluation &temperature, const Evaluation &Rs) const
Returns the saturation pressure [Pa] of oil given the mass fraction of the gas component in the oil p...
Definition OilPvtMultiplexer.hpp:231
Opm::OilPvtMultiplexer::diffusionCoefficient
Evaluation diffusionCoefficient(const Evaluation &temperature, const Evaluation &pressure, unsigned compIdx) const
Calculate the binary molecular diffusion coefficient for a component in a fluid phase [mol^2 * s / (k...
Definition OilPvtMultiplexer.hpp:240
Opm::OilPvtThermal
This class implements temperature dependence of the PVT properties of oil.
Definition OilPvtThermal.hpp:52
Opm::OilPvtThermal::initEnd
void initEnd()
Finish initializing the thermal part of the oil phase PVT properties.
Definition OilPvtThermal.hpp:117
Opm::OilPvtThermal::enableThermalDensity
bool enableThermalDensity() const
Returns true iff the density of the oil phase is temperature dependent.
Definition OilPvtThermal.hpp:123
Opm::OilPvtThermal::saturatedGasDissolutionFactor
Evaluation saturatedGasDissolutionFactor(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure) const
Returns the gas dissolution factor [m^3/m^3] of the oil phase.
Definition OilPvtThermal.hpp:302
Opm::OilPvtThermal::inverseFormationVolumeFactor
Evaluation inverseFormationVolumeFactor(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure, const Evaluation &Rs) const
Returns the formation volume factor [-] of the fluid phase.
Definition OilPvtThermal.hpp:247
Opm::OilPvtThermal::saturatedViscosity
Evaluation saturatedViscosity(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure) const
Returns the dynamic viscosity [Pa s] of the fluid phase given a set of parameters.
Definition OilPvtThermal.hpp:229
Opm::OilPvtThermal::internalEnergy
Evaluation internalEnergy(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure, const Evaluation &Rs) const
Returns the specific internal energy [J/kg] of oil given a set of parameters.
Definition OilPvtThermal.hpp:145
Opm::OilPvtThermal::viscosity
Evaluation viscosity(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure, const Evaluation &Rs) const
Returns the dynamic viscosity [Pa s] of the fluid phase given a set of parameters.
Definition OilPvtThermal.hpp:210
Opm::OilPvtThermal::setNumRegions
void setNumRegions(std::size_t numRegions)
Set the number of PVT-regions considered by this object.
Definition OilPvtThermal.cpp:183
Opm::OilPvtThermal::enableThermalViscosity
bool enableThermalViscosity() const
Returns true iff the viscosity of the oil phase is temperature dependent.
Definition OilPvtThermal.hpp:135
Opm::OilPvtThermal::saturationPressure
Evaluation saturationPressure(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure) const
Returns the saturation pressure of the oil phase [Pa].
Definition OilPvtThermal.hpp:330
Opm::OilPvtThermal::saturatedGasDissolutionFactor
Evaluation saturatedGasDissolutionFactor(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure, const Evaluation &oilSaturation, const Evaluation &maxOilSaturation) const
Returns the gas dissolution factor [m^3/m^3] of the oil phase.
Definition OilPvtThermal.hpp:315
Opm::OilPvtThermal::saturatedInverseFormationVolumeFactor
Evaluation saturatedInverseFormationVolumeFactor(unsigned regionIdx, const Evaluation &temperature, const Evaluation &pressure) const
Returns the formation volume factor [-] of gas-saturated oil phase.
Definition OilPvtThermal.hpp:273
Opm::OilPvtThermal::enableJouleThomson
bool enableJouleThomson() const
Returns true iff Joule-Thomson effect for the oil phase is active.
Definition OilPvtThermal.hpp:129
Opm::Schedule
Definition Schedule.hpp:89
Opm::Tabulated1DFunction
Implements a linearly interpolated scalar function that depends on one variable.
Definition Tabulated1DFunction.hpp:51
Opm
This class implements a small container which holds the transmissibility mulitpliers for all the face...
Definition Exceptions.hpp:30