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| 1 | // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | ||
| 2 | // vi: set et ts=4 sw=4 sts=4: | ||
| 3 | // | ||
| 4 | // SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder | ||
| 5 | // SPDX-License-Identifier: GPL-3.0-or-later | ||
| 6 | // | ||
| 7 | /*! | ||
| 8 | * \file | ||
| 9 | * \ingroup TwoPTwoCTests | ||
| 10 | * \brief @copybrief Dumux::FluidSystems::ConstantTwoPTwoCFluidsystem | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_CONSTANT_2P2C_FLUID_SYSTEM_HH | ||
| 13 | #define DUMUX_CONSTANT_2P2C_FLUID_SYSTEM_HH | ||
| 14 | |||
| 15 | #include <cassert> | ||
| 16 | |||
| 17 | #include <dumux/material/idealgas.hh> | ||
| 18 | |||
| 19 | #include <dumux/material/fluidsystems/base.hh> | ||
| 20 | #include <dumux/material/binarycoefficients/h2o_constant.hh> | ||
| 21 | |||
| 22 | #include <dumux/common/exceptions.hh> | ||
| 23 | |||
| 24 | namespace Dumux { | ||
| 25 | namespace FluidSystems { | ||
| 26 | |||
| 27 | /*! | ||
| 28 | * \ingroup TwoPTwoCTests | ||
| 29 | * | ||
| 30 | * \brief A two-phase fluid system with two components with constant properties that can be specified via the input file | ||
| 31 | */ | ||
| 32 | template <class Scalar, class Component0, class Component1> | ||
| 33 | class ConstantTwoPTwoCFluidsystem | ||
| 34 | : public Base<Scalar, ConstantTwoPTwoCFluidsystem<Scalar, Component0, Component1> > | ||
| 35 | { | ||
| 36 | using ThisType = ConstantTwoPTwoCFluidsystem<Scalar, Component0, Component1>; | ||
| 37 | using Base = Dumux::FluidSystems::Base<Scalar, ThisType>; | ||
| 38 | |||
| 39 | public: | ||
| 40 | |||
| 41 | using ComponentOne = Component0; | ||
| 42 | using ComponentTwo = Component1; | ||
| 43 | //! Number of phases in the fluid system | ||
| 44 | static constexpr int numPhases = 2; | ||
| 45 | |||
| 46 | static constexpr int numComponents = 2; //!< Number of components in the fluid system | ||
| 47 | |||
| 48 | static constexpr int phase0Idx = 0; // index of the wetting phase | ||
| 49 | static constexpr int phase1Idx = 1; // index of the nonwetting phase | ||
| 50 | |||
| 51 | // export component indices to indicate the main component | ||
| 52 | static constexpr int comp0Idx = 0; // index of the wetting phase | ||
| 53 | static constexpr int comp1Idx = 1; // index of the nonwetting phase | ||
| 54 | |||
| 55 | /*! | ||
| 56 | * \brief Returns the human readable name of a fluid phase | ||
| 57 | * | ||
| 58 | * \param phaseIdx The index of the fluid phase to consider | ||
| 59 | */ | ||
| 60 | 72 | static std::string phaseName(int phaseIdx) | |
| 61 | { | ||
| 62 |
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72 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 63 |
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72 | switch (phaseIdx) |
| 64 | { | ||
| 65 | 72 | case phase0Idx: return "liq"; | |
| 66 | 72 | case phase1Idx: return "gas"; | |
| 67 | } | ||
| 68 | ✗ | DUNE_THROW(Dune::InvalidStateException, "Invalid phase index " << phaseIdx); | |
| 69 | } | ||
| 70 | |||
| 71 | /*! | ||
| 72 | * \brief Returns whether a phase is gaseous | ||
| 73 | * | ||
| 74 | * \param phaseIdx The index of the fluid phase to consider | ||
| 75 | */ | ||
| 76 | static constexpr bool isGas(int phaseIdx) | ||
| 77 | { | ||
| 78 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 79 | return phaseIdx == phase1Idx; | ||
| 80 | } | ||
| 81 | |||
| 82 | /*! | ||
| 83 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 84 | * be an ideal mixture. | ||
| 85 | * | ||
| 86 | * \param phaseIdx The index of the fluid phase to consider | ||
| 87 | */ | ||
| 88 | static bool isIdealMixture(int phaseIdx) | ||
| 89 | { | ||
| 90 | ✗ | assert(0 <= phaseIdx && phaseIdx < numPhases); | |
| 91 | return true; | ||
| 92 | } | ||
| 93 | |||
| 94 | /*! | ||
| 95 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 96 | * be compressible. | ||
| 97 | * | ||
| 98 | * Compressible means that the partial derivative of the density | ||
| 99 | * to the fluid pressure is always larger than zero. | ||
| 100 | * | ||
| 101 | * \param phaseIdx The index of the fluid phase to consider | ||
| 102 | */ | ||
| 103 | static constexpr bool isCompressible(int phaseIdx) | ||
| 104 | { | ||
| 105 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 106 | // gases are always compressible | ||
| 107 | if (phaseIdx == phase1Idx) | ||
| 108 | return true; | ||
| 109 | // the liquid component decides for the liquid phase... | ||
| 110 | return ComponentOne::liquidIsCompressible(); | ||
| 111 | } | ||
| 112 | |||
| 113 | /*! | ||
| 114 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 115 | * be an ideal gas. | ||
| 116 | * | ||
| 117 | * \param phaseIdx The index of the fluid phase to consider | ||
| 118 | */ | ||
| 119 | static bool isIdealGas(int phaseIdx) | ||
| 120 | { | ||
| 121 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 122 | |||
| 123 | if (phaseIdx == phase1Idx) | ||
| 124 | // let the components decide | ||
| 125 | return ComponentOne::gasIsIdeal() && ComponentTwo::gasIsIdeal(); | ||
| 126 | return false; // not a gas | ||
| 127 | } | ||
| 128 | |||
| 129 | /*! | ||
| 130 | * \brief Returns the human readable name of a component | ||
| 131 | * | ||
| 132 | * \param compIdx The index of the component to consider | ||
| 133 | */ | ||
| 134 | 32 | static std::string componentName(int compIdx) | |
| 135 | { | ||
| 136 |
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36 | static std::string name[] = { |
| 137 |
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2 | ComponentOne::name(), |
| 138 |
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4 | ComponentTwo::name() |
| 139 | }; | ||
| 140 | |||
| 141 |
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32 | assert(0 <= compIdx && compIdx < numComponents); |
| 142 | 32 | return name[compIdx]; | |
| 143 | } | ||
| 144 | |||
| 145 | /*! | ||
| 146 | * \brief Returns the molar mass of a component in \f$\mathrm{[kg/mol]}\f$. | ||
| 147 | * | ||
| 148 | * \param compIdx The index of the component to consider | ||
| 149 | */ | ||
| 150 | 17733200 | static Scalar molarMass(int compIdx) | |
| 151 | { | ||
| 152 |
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17733204 | static const Scalar M[] = { |
| 153 |
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2 | ComponentOne::molarMass(), |
| 154 |
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4 | ComponentTwo::molarMass(), |
| 155 | }; | ||
| 156 | |||
| 157 |
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17733200 | assert(0 <= compIdx && compIdx < numComponents); |
| 158 | 17733200 | return M[compIdx]; | |
| 159 | } | ||
| 160 | |||
| 161 | /*! | ||
| 162 | * \brief Critical temperature of a component \f$\mathrm{[K]}\f$. | ||
| 163 | * | ||
| 164 | * \param compIdx The index of the component to consider | ||
| 165 | */ | ||
| 166 | static Scalar criticalTemperature(int compIdx) | ||
| 167 | { | ||
| 168 | static const Scalar Tcrit[] = { | ||
| 169 | ComponentOne::criticalTemperature(), // ComponentOne | ||
| 170 | ComponentTwo::criticalTemperature() // ComponentTwo | ||
| 171 | }; | ||
| 172 | |||
| 173 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 174 | return Tcrit[compIdx]; | ||
| 175 | } | ||
| 176 | |||
| 177 | /*! | ||
| 178 | * \brief Critical pressure of a component \f$\mathrm{[Pa]}\f$. | ||
| 179 | * | ||
| 180 | * \param compIdx The index of the component to consider | ||
| 181 | */ | ||
| 182 | static Scalar criticalPressure(int compIdx) | ||
| 183 | { | ||
| 184 | static const Scalar pcrit[] = { | ||
| 185 | ComponentOne::criticalPressure(), | ||
| 186 | ComponentTwo::criticalPressure() | ||
| 187 | }; | ||
| 188 | |||
| 189 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 190 | return pcrit[compIdx]; | ||
| 191 | } | ||
| 192 | |||
| 193 | |||
| 194 | /**************************************** | ||
| 195 | * thermodynamic relations | ||
| 196 | ****************************************/ | ||
| 197 | |||
| 198 | /*! | ||
| 199 | * \brief Initializes the fluid system's static parameters generically | ||
| 200 | * | ||
| 201 | * If a tabulated ComponentOne component is used, we do our best to create | ||
| 202 | * tables that always work. | ||
| 203 | */ | ||
| 204 | static void init() | ||
| 205 | { | ||
| 206 | 4 | init(/*tempMin=*/273.15, | |
| 207 | /*tempMax=*/623.15, | ||
| 208 | /*numTemp=*/100, | ||
| 209 | /*pMin=*/0.0, | ||
| 210 | /*pMax=*/20e6, | ||
| 211 | /*numP=*/200); | ||
| 212 | } | ||
| 213 | |||
| 214 | /*! | ||
| 215 | * \brief Initializes the fluid system's static parameters using | ||
| 216 | * problem specific temperature and pressure ranges | ||
| 217 | * | ||
| 218 | * \param tempMin The minimum temperature used for tabulation of water \f$\mathrm{[K]}\f$ | ||
| 219 | * \param tempMax The maximum temperature used for tabulation of water \f$\mathrm{[K]}\f$ | ||
| 220 | * \param nTemp The number of ticks on the temperature axis of the table of water | ||
| 221 | * \param pressMin The minimum pressure used for tabulation of water \f$\mathrm{[Pa]}\f$ | ||
| 222 | * \param pressMax The maximum pressure used for tabulation of water \f$\mathrm{[Pa]}\f$ | ||
| 223 | * \param nPress The number of ticks on the pressure axis of the table of water | ||
| 224 | */ | ||
| 225 | ✗ | static void init(Scalar tempMin, Scalar tempMax, unsigned nTemp, | |
| 226 | Scalar pressMin, Scalar pressMax, unsigned nPress) | ||
| 227 | { | ||
| 228 |
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4 | std::cout << "Using very simple constant component fluid system\n"; |
| 229 | ✗ | } | |
| 230 | |||
| 231 | using Base::density; | ||
| 232 | /*! | ||
| 233 | * \brief Calculates the density \f$\mathrm{[kg/m^3]}\f$ of a fluid phase | ||
| 234 | * | ||
| 235 | * \param fluidState An arbitrary fluid state | ||
| 236 | * \param phaseIdx The index of the fluid phase to consider | ||
| 237 | */ | ||
| 238 | template <class FluidState> | ||
| 239 | 1433760 | static Scalar density(const FluidState &fluidState, | |
| 240 | int phaseIdx) | ||
| 241 | { | ||
| 242 |
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1433760 | Scalar T = fluidState.temperature(phaseIdx); |
| 243 |
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1433760 | Scalar p = fluidState.pressure(phaseIdx); |
| 244 | |||
| 245 | // liquid phase | ||
| 246 |
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1433760 | if (phaseIdx == phase0Idx) |
| 247 | { | ||
| 248 | 358440 | return ComponentOne::liquidDensity(T, p); | |
| 249 | } | ||
| 250 |
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716880 | else if (phaseIdx == phase1Idx)// gas phase |
| 251 | { | ||
| 252 | 716880 | return ComponentTwo::gasDensity(T, p); | |
| 253 | } | ||
| 254 | ✗ | else DUNE_THROW(Dune::NotImplemented, "Wrong phase index"); | |
| 255 | } | ||
| 256 | |||
| 257 | using Base::molarDensity; | ||
| 258 | /*! | ||
| 259 | * \brief The molar density \f$\rho_{mol,\alpha}\f$ | ||
| 260 | * of a fluid phase \f$\alpha\f$ in \f$\mathrm{[mol/m^3]}\f$ | ||
| 261 | * | ||
| 262 | * This is a specific molar density for the combustion test | ||
| 263 | */ | ||
| 264 | template <class FluidState> | ||
| 265 | 716880 | static Scalar molarDensity(const FluidState &fluidState, int phaseIdx) | |
| 266 | { | ||
| 267 |
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716880 | if (phaseIdx == phase0Idx) |
| 268 | { | ||
| 269 | 358440 | return density(fluidState, phaseIdx)/fluidState.averageMolarMass(phaseIdx); | |
| 270 | } | ||
| 271 |
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358440 | else if (phaseIdx == phase1Idx) |
| 272 | { | ||
| 273 | 358440 | return density(fluidState, phaseIdx)/fluidState.averageMolarMass(phaseIdx); | |
| 274 | } | ||
| 275 | ✗ | else DUNE_THROW(Dune::NotImplemented, "Wrong phase index"); | |
| 276 | } | ||
| 277 | |||
| 278 | using Base::viscosity; | ||
| 279 | /*! | ||
| 280 | * \brief Calculates the dynamic viscosity of a fluid phase \f$\mathrm{[Pa*s]}\f$ | ||
| 281 | * | ||
| 282 | * \param fluidState An arbitrary fluid state | ||
| 283 | * \param phaseIdx The index of the fluid phase to consider | ||
| 284 | */ | ||
| 285 | template <class FluidState> | ||
| 286 | 716880 | static Scalar viscosity(const FluidState &fluidState, | |
| 287 | int phaseIdx) | ||
| 288 | { | ||
| 289 |
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716880 | Scalar T = fluidState.temperature(phaseIdx); |
| 290 |
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716880 | Scalar p = fluidState.pressure(phaseIdx); |
| 291 | |||
| 292 | // liquid phase | ||
| 293 |
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716880 | if (phaseIdx == phase0Idx) |
| 294 | { | ||
| 295 | 179220 | return ComponentOne::liquidViscosity(T, p); | |
| 296 | } | ||
| 297 |
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358440 | else if (phaseIdx == phase1Idx) // gas phase |
| 298 | { | ||
| 299 | 358440 | return ComponentTwo::gasViscosity(T, p); | |
| 300 | } | ||
| 301 | ✗ | else DUNE_THROW(Dune::NotImplemented, "Wrong phase index"); | |
| 302 | } | ||
| 303 | |||
| 304 | using Base::fugacityCoefficient; | ||
| 305 | /*! | ||
| 306 | * \brief Calculates the fugacity coefficient \f$\mathrm{[-]}\f$ of an individual | ||
| 307 | * component in a fluid phase | ||
| 308 | * | ||
| 309 | * The fugacity coefficient \f$\phi^\kappa_\alpha\f$ of | ||
| 310 | * component \f$\kappa\f$ in phase \f$\alpha\f$ is connected to | ||
| 311 | * the fugacity \f$f^\kappa_\alpha\f$ and the component's mole | ||
| 312 | * fraction \f$x^\kappa_\alpha\f$ by means of the relation | ||
| 313 | * | ||
| 314 | * \f[ | ||
| 315 | f^\kappa_\alpha = \phi^\kappa_\alpha\;x^\kappa_\alpha\;p_\alpha | ||
| 316 | \f] | ||
| 317 | * where \f$p_\alpha\f$ is the pressure of the fluid phase. | ||
| 318 | * | ||
| 319 | * The quantity "fugacity" itself is just an other way to express | ||
| 320 | * the chemical potential \f$\zeta^\kappa_\alpha\f$ of the | ||
| 321 | * component. It is defined via | ||
| 322 | * | ||
| 323 | * \f[ | ||
| 324 | f^\kappa_\alpha := \exp\left\{\frac{\zeta^\kappa_\alpha}{k_B T_\alpha} \right\} | ||
| 325 | \f] | ||
| 326 | * where \f$k_B = 1.380\cdot10^{-23}\;J/K\f$ is the Boltzmann constant. | ||
| 327 | * | ||
| 328 | * \param fluidState An arbitrary fluid state | ||
| 329 | * \param phaseIdx The index of the fluid phase to consider | ||
| 330 | * \param compIdx The index of the component to consider | ||
| 331 | */ | ||
| 332 | template <class FluidState> | ||
| 333 | 1433760 | static Scalar fugacityCoefficient(const FluidState &fluidState, | |
| 334 | int phaseIdx, | ||
| 335 | int compIdx) | ||
| 336 | { | ||
| 337 |
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1433760 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 338 |
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1433760 | assert(0 <= compIdx && compIdx < numComponents); |
| 339 | |||
| 340 |
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1433760 | Scalar T = fluidState.temperature(phaseIdx); |
| 341 |
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1433760 | Scalar p = fluidState.pressure(phaseIdx); |
| 342 | // liquid phase | ||
| 343 |
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1433760 | if (phaseIdx == phase0Idx) |
| 344 | { | ||
| 345 |
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716880 | if (compIdx == comp0Idx) |
| 346 | 358440 | return ComponentOne::vaporPressure(T)/p; | |
| 347 | 358440 | return BinaryCoeff::H2O_Component<Scalar, ComponentTwo>::henryCompInWater(T)/p; | |
| 348 | } | ||
| 349 | |||
| 350 | // for the gas phase, assume an ideal gas when it comes to | ||
| 351 | // fugacity (-> fugacity == partial pressure) | ||
| 352 | return 1.0; | ||
| 353 | } | ||
| 354 | |||
| 355 | using Base::diffusionCoefficient; | ||
| 356 | /*! | ||
| 357 | * \brief Calculates the molecular diffusion coefficient for a | ||
| 358 | * component in a fluid phase \f$\mathrm{[mol^2 * s / (kg*m^3)]}\f$ | ||
| 359 | * | ||
| 360 | * \param fluidState An arbitrary fluid state | ||
| 361 | * \param phaseIdx The index of the fluid phase to consider | ||
| 362 | * \param compIdx The index of the component to consider | ||
| 363 | */ | ||
| 364 | template <class FluidState> | ||
| 365 | static Scalar diffusionCoefficient(const FluidState &fluidState, | ||
| 366 | int phaseIdx, | ||
| 367 | int compIdx) | ||
| 368 | { | ||
| 369 | DUNE_THROW(Dune::NotImplemented, "Diffusion coefficients"); | ||
| 370 | } | ||
| 371 | |||
| 372 | using Base::binaryDiffusionCoefficient; | ||
| 373 | /*! | ||
| 374 | * \brief Given a phase's composition, temperature and pressure, | ||
| 375 | * returns the binary diffusion coefficient \f$\mathrm{[m^2/s]}\f$ for components | ||
| 376 | * \f$i\f$ and \f$j\f$ in this phase. | ||
| 377 | * | ||
| 378 | * \param fluidState An arbitrary fluid state | ||
| 379 | * \param phaseIdx The index of the fluid phase to consider | ||
| 380 | * \param compIIdx The index of the first component to consider | ||
| 381 | * \param compJIdx The index of the second component to consider | ||
| 382 | */ | ||
| 383 | template <class FluidState> | ||
| 384 | 740880 | static Scalar binaryDiffusionCoefficient(const FluidState &fluidState, | |
| 385 | int phaseIdx, | ||
| 386 | int compIIdx, | ||
| 387 | int compJIdx) | ||
| 388 | |||
| 389 | { | ||
| 390 | using std::swap; | ||
| 391 |
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740880 | if (compIIdx > compJIdx) |
| 392 | 382440 | swap(compIIdx, compJIdx); | |
| 393 | |||
| 394 | // we are in the liquid phase | ||
| 395 |
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740880 | if (phaseIdx == phase0Idx) |
| 396 | { | ||
| 397 |
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358440 | if (compIIdx == comp0Idx && compJIdx == comp1Idx) |
| 398 | return 1e-9; | ||
| 399 | else | ||
| 400 | ✗ | DUNE_THROW(Dune::InvalidStateException, | |
| 401 | "Binary diffusion coefficient of components " | ||
| 402 | << compIIdx << " and " << compJIdx | ||
| 403 | << " in phase " << phaseIdx << " is undefined!\n"); | ||
| 404 | } | ||
| 405 | |||
| 406 | // we are in the gas phase | ||
| 407 |
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382440 | else if (phaseIdx == phase1Idx) |
| 408 | { | ||
| 409 |
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382440 | if (compIIdx == comp0Idx && compJIdx == comp1Idx) |
| 410 | return 1e-5; | ||
| 411 | else | ||
| 412 | ✗ | DUNE_THROW(Dune::InvalidStateException, | |
| 413 | "Binary diffusion coefficient of components " | ||
| 414 | << compIIdx << " and " << compJIdx | ||
| 415 | << " in phase " << phaseIdx << " is undefined!\n"); | ||
| 416 | } | ||
| 417 | |||
| 418 | ✗ | DUNE_THROW(Dune::InvalidStateException, "Invalid phase index " << phaseIdx); | |
| 419 | } | ||
| 420 | |||
| 421 | using Base::enthalpy; | ||
| 422 | /*! | ||
| 423 | * \brief Calculates specific enthalpy \f$\mathrm{[J/kg]}\f$. | ||
| 424 | * | ||
| 425 | * \param fluidState An arbitrary fluid state | ||
| 426 | * \param phaseIdx The index of the fluid phase to consider | ||
| 427 | */ | ||
| 428 | template <class FluidState> | ||
| 429 | 740880 | static Scalar enthalpy(const FluidState &fluidState, | |
| 430 | int phaseIdx) | ||
| 431 | { | ||
| 432 |
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740880 | const Scalar T = fluidState.temperature(phaseIdx); |
| 433 |
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740880 | const Scalar p = fluidState.pressure(phaseIdx); |
| 434 | |||
| 435 | // liquid phase | ||
| 436 |
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740880 | if (phaseIdx == phase0Idx) |
| 437 | { | ||
| 438 | 358440 | return Component0::liquidEnthalpy(T, p); | |
| 439 | } | ||
| 440 |
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382440 | else if (phaseIdx == phase1Idx) // gas phase |
| 441 | { | ||
| 442 | // assume ideal mixture: which means | ||
| 443 | // that the total specific enthalpy is the sum of the | ||
| 444 | // "partial specific enthalpies" of the components. | ||
| 445 | 382440 | Scalar hComponentOne = | |
| 446 | fluidState.massFraction(phase1Idx, comp0Idx) | ||
| 447 | 382440 | * ComponentOne::gasEnthalpy(T, p); | |
| 448 | 382440 | Scalar hComponentTwo = | |
| 449 | fluidState.massFraction(phase1Idx, comp1Idx) | ||
| 450 | 382440 | * ComponentTwo::gasEnthalpy(T, p); | |
| 451 | 382440 | return hComponentOne + hComponentTwo; | |
| 452 | } | ||
| 453 | ✗ | else DUNE_THROW(Dune::NotImplemented, "Wrong phase index"); | |
| 454 | } | ||
| 455 | |||
| 456 | using Base::thermalConductivity; | ||
| 457 | /*! | ||
| 458 | * \brief Thermal conductivity of a fluid phase \f$\mathrm{[W/(m K)]}\f$. | ||
| 459 | * | ||
| 460 | * Use the conductivity of vapor and liquid water at 100°C | ||
| 461 | * | ||
| 462 | * \param fluidState An arbitrary fluid state | ||
| 463 | * \param phaseIdx The index of the fluid phase to consider | ||
| 464 | */ | ||
| 465 | template <class FluidState> | ||
| 466 | 358440 | static Scalar thermalConductivity(const FluidState &fluidState, | |
| 467 | const int phaseIdx) | ||
| 468 | { | ||
| 469 |
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740880 | const Scalar temperature = fluidState.temperature(phaseIdx) ; |
| 470 |
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920100 | const Scalar pressure = fluidState.pressure(phaseIdx); |
| 471 |
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358440 | if (phaseIdx == phase0Idx) |
| 472 | 179220 | return ComponentOne::liquidThermalConductivity(temperature, pressure); | |
| 473 | else | ||
| 474 | 382440 | return ComponentTwo::gasThermalConductivity(temperature, pressure); | |
| 475 | } | ||
| 476 | |||
| 477 | using Base::heatCapacity; | ||
| 478 | /*! | ||
| 479 | * \brief Specific isobaric heat capacity of a fluid phase. | ||
| 480 | * \f$\mathrm{[J/kg / K]}\f$. | ||
| 481 | * | ||
| 482 | * \param fluidState An arbitrary fluid state | ||
| 483 | * \param phaseIdx The index of the fluid phase to consider | ||
| 484 | */ | ||
| 485 | template <class FluidState> | ||
| 486 | static Scalar heatCapacity(const FluidState &fluidState, | ||
| 487 | int phaseIdx) | ||
| 488 | { | ||
| 489 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 490 | // liquid phase | ||
| 491 | const Scalar temperature = fluidState.temperature(phaseIdx); | ||
| 492 | const Scalar pressure = fluidState.pressure(phaseIdx); | ||
| 493 | if (phaseIdx == phase0Idx) | ||
| 494 | { | ||
| 495 | return ComponentOne::liquidHeatCapacity(temperature, pressure); | ||
| 496 | } | ||
| 497 | else if (phaseIdx == phase1Idx) // gas phase | ||
| 498 | { | ||
| 499 | return ComponentOne::gasHeatCapacity(temperature, pressure) * fluidState.moleFraction(phase1Idx, comp0Idx) | ||
| 500 | + ComponentTwo::gasHeatCapacity(temperature, pressure) * fluidState.moleFraction(phase1Idx, comp1Idx); | ||
| 501 | } | ||
| 502 | else DUNE_THROW(Dune::NotImplemented, "Wrong phase index"); | ||
| 503 | } | ||
| 504 | }; | ||
| 505 | |||
| 506 | } // end namespace FluidSystems | ||
| 507 | } // end namespace Dumux | ||
| 508 | |||
| 509 | #endif | ||
| 510 |