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renamed and cleaned viscosityfiles

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This commit is contained in:
Trine Mykkeltvedt
2022-06-28 23:02:24 +02:00
parent 659ae7e846
commit f0d8a9f3cc
2 changed files with 4 additions and 90 deletions
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88
opm/material/viscositymodels/LBC.hpp
View File

@@ -109,7 +109,7 @@ public:
std::vector<Scalar> LBC = {0.10230,
0.023364,
0.058533,
-0.040758, // trykkfeil i 1964-artikkel: -0.40758
-0.040758, // typo in 1964-paper: -0.40758
0.0093324};
LhsEval sumLBC = 0.0;
@@ -120,92 +120,6 @@ public:
return (my0 + (Opm::pow(sumLBC,4.0) - 1e-4)/zeta_tot)/1e3; // mPas-> Pas
}
// Improved LBC model for CO2 rich mixtures. (Lansangan, Taylor, Smith & Kovarik - 1993)
template <class FluidState, class Params, class LhsEval = typename FluidState::Scalar>
static LhsEval LBCmodified(const FluidState& fluidState,
const Params& /*paramCache*/,
unsigned phaseIdx)
{
const Scalar MPa_atm = 0.101325;
const auto& T = Opm::decay<LhsEval>(fluidState.temperature(phaseIdx));
const auto& rho = Opm::decay<LhsEval>(fluidState.density(phaseIdx));
LhsEval sumMm = 0.0;
LhsEval sumVolume = 0.0;
for (unsigned compIdx = 0; compIdx < FluidSystem::numComponents; ++compIdx) {
const Scalar& p_c = FluidSystem::criticalPressure(compIdx)/1e6; // in Mpa;
const Scalar& T_c = FluidSystem::criticalTemperature(compIdx);
const Scalar Mm = FluidSystem::molarMass(compIdx) * 1000; //in kg/kmol;
const auto& x = Opm::decay<LhsEval>(fluidState.moleFraction(phaseIdx, compIdx));
const Scalar v_c = FluidSystem::criticalVolume(compIdx); // in m3/kmol
sumMm += x*Mm;
sumVolume += x*v_c;
}
LhsEval rho_pc = sumMm/sumVolume; //mixture pseudocritical density
LhsEval rho_r = rho/rho_pc;
LhsEval xxT_p = 0.0; // x*x*T_c/p_c
LhsEval xxT2_p = 0.0; // x*x*T^2_c/p_c
for (unsigned i_compIdx = 0; i_compIdx < FluidSystem::numComponents; ++i_compIdx) {
const Scalar& T_c_i = FluidSystem::criticalTemperature(i_compIdx);
const Scalar& p_c_i = FluidSystem::criticalPressure(i_compIdx)/1e6; // in Mpa;
const auto& x_i = Opm::decay<LhsEval>(fluidState.moleFraction(phaseIdx, i_compIdx));
for (unsigned j_compIdx = 0; j_compIdx < FluidSystem::numComponents; ++j_compIdx) {
const Scalar& T_c_j = FluidSystem::criticalTemperature(j_compIdx);
const Scalar& p_c_j = FluidSystem::criticalPressure(j_compIdx)/1e6; // in Mpa;
const auto& x_j = Opm::decay<LhsEval>(fluidState.moleFraction(phaseIdx, j_compIdx));
const Scalar T_c_ij = std::sqrt(T_c_i*T_c_j);
const Scalar p_c_ij = 8.0*T_c_ij / Opm::pow(Opm::pow(T_c_i/p_c_i,1.0/3)+Opm::pow(T_c_j/p_c_j,1.0/3),3);
xxT_p += x_i*x_j*T_c_ij/p_c_ij;
xxT2_p += x_i*x_j*T_c_ij*T_c_ij/p_c_ij;
}
}
const LhsEval T_pc = xxT2_p/xxT_p; //mixture pseudocritical temperature
const LhsEval p_pc = T_pc/xxT_p; //mixture pseudocritical pressure
LhsEval p_pca = p_pc / MPa_atm;
LhsEval zeta_tot = Opm::pow(T_pc / (Opm::pow(sumMm,3.0) * Opm::pow(p_pca,4.0)),1./6);
LhsEval my0 = 0.0;
LhsEval sumxrM = 0.0;
for (unsigned compIdx = 0; compIdx < FluidSystem::numComponents; ++compIdx) {
const Scalar& p_c = FluidSystem::criticalPressure(compIdx)/1e6; // in Mpa;
const Scalar& T_c = FluidSystem::criticalTemperature(compIdx);
const Scalar Mm = FluidSystem::molarMass(compIdx) * 1000; //in kg/kmol;
const auto& x = Opm::decay<LhsEval>(fluidState.moleFraction(phaseIdx, compIdx));
Scalar p_ca = p_c / MPa_atm;
Scalar zeta = std::pow(T_c / (std::pow(Mm,3.0) * std::pow(p_ca,4.0)),1./6);
LhsEval T_r = T/T_c;
LhsEval xrM = x * std::pow(Mm,0.5);
LhsEval mys = 0.0;
if (T_r <=1.5) {
mys = 34.0e-5*Opm::pow(T_r,0.94)/zeta;
} else {
mys = 17.78e-5*Opm::pow(4.58*T_r - 1.67, 0.625)/zeta;
}
my0 += xrM*mys;
sumxrM += xrM;
}
my0 /= sumxrM;
std::vector<Scalar> LBC = {0.10230,
0.023364,
0.058533,
-0.040758, // trykkfeil i 1964-artikkel: -0.40758
0.0093324};
LhsEval sumLBC = 0.0;
for (int i = 0; i < 5; ++i) {
sumLBC += Opm::pow(rho_r,i)*LBC[i];
}
return (my0 + (Opm::pow(sumLBC,4.0) - 1e-4)/zeta_tot -1.8366e-8*Opm::pow(rho_r,13.992))/1e3; // mPas-> Pas
}
};
}; // namespace Opm

6
opm/material/viscositymodels/LBCmodified.hpp → opm/material/viscositymodels/LBCco2rich.hpp
View File

@@ -43,7 +43,7 @@ public:
// Improved LBC model for CO2 rich mixtures. (Lansangan, Taylor, Smith & Kovarik - 1993)
template <class FluidState, class Params, class LhsEval = typename FluidState::Scalar>
static LhsEval LBCmodified(const FluidState& fluidState,
static LhsEval LBCco2rich(const FluidState& fluidState,
const Params& /*paramCache*/,
unsigned phaseIdx)
{
@@ -116,7 +116,7 @@ public:
std::vector<Scalar> LBC = {0.10230,
0.023364,
0.058533,
-0.040758, // trykkfeil i 1964-artikkel: -0.40758
-0.040758, // typo in 1964-paper: -0.40758
0.0093324};
LhsEval sumLBC = 0.0;
@@ -130,4 +130,4 @@ public:
}; // namespace Opm
#endif // LBC_MODIFIED_HPP
#endif // LBC_co2rich_HPP