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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-FileCopyrightText: 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 FluidSystems | ||
| 10 | * \copybrief Dumux::FluidSystems::ThreePImmiscible | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_3P_IMMISCIBLE_FLUID_SYSTEM_HH | ||
| 13 | #define DUMUX_3P_IMMISCIBLE_FLUID_SYSTEM_HH | ||
| 14 | |||
| 15 | #include <cassert> | ||
| 16 | #include <limits> | ||
| 17 | #include <iostream> | ||
| 18 | |||
| 19 | #include <dune/common/exceptions.hh> | ||
| 20 | |||
| 21 | #include <dumux/material/fluidsystems/1pliquid.hh> | ||
| 22 | #include <dumux/material/fluidsystems/1pgas.hh> | ||
| 23 | #include <dumux/material/fluidstates/immiscible.hh> | ||
| 24 | #include <dumux/material/components/base.hh> | ||
| 25 | #include <dumux/io/name.hh> | ||
| 26 | |||
| 27 | namespace Dumux::FluidSystems { | ||
| 28 | |||
| 29 | /*! | ||
| 30 | * \ingroup FluidSystems | ||
| 31 | * \brief A fluid system for three-phase models assuming immiscibility and | ||
| 32 | * thermodynamic equilibrium | ||
| 33 | * | ||
| 34 | * The fluid phases are completely specified by means of their | ||
| 35 | * constituting components. | ||
| 36 | * The wetting and the nonwetting phase can be defined individually | ||
| 37 | * via FluidSystem::OnePLiquid<Scalar, Component>. The gas phase can be defined via | ||
| 38 | * FluidSystems::OnePGas<Scalar, Component> | ||
| 39 | * These phases consist of one pure component. | ||
| 40 | * | ||
| 41 | * \tparam Scalar the scalar type | ||
| 42 | * \tparam WettingFluid the wetting phase fluid system (use FluidSystem::OnePLiquid<Scalar, Component>) | ||
| 43 | * \tparam NonwettingFluid the wetting phase fluid system (use FluidSystem::OnePLiquid<Scalar, Component>) | ||
| 44 | * \tparam Gas the gas phase fluid system (use FluidSystem::OnePGas<Scalar, Component>) | ||
| 45 | */ | ||
| 46 | template <class Scalar, class WettingFluid, class NonwettingFluid, class Gas> | ||
| 47 | class ThreePImmiscible | ||
| 48 | : public Base<Scalar, ThreePImmiscible<Scalar, WettingFluid, NonwettingFluid, Gas> > | ||
| 49 | { | ||
| 50 | static_assert((WettingFluid::numPhases == 1), "WettingFluid has more than one phase"); | ||
| 51 | static_assert((NonwettingFluid::numPhases == 1), "NonwettingFluid has more than one phase"); | ||
| 52 | static_assert((Gas::numPhases == 1), "Gas has more than one phase"); | ||
| 53 | static_assert((WettingFluid::numComponents == 1), "WettingFluid has more than one component"); | ||
| 54 | static_assert((NonwettingFluid::numComponents == 1), "NonwettingFluid has more than one component"); | ||
| 55 | static_assert((Gas::numComponents == 1), "Gas has more than one component"); | ||
| 56 | |||
| 57 | using ThisType = ThreePImmiscible<Scalar, WettingFluid, NonwettingFluid, Gas>; | ||
| 58 | |||
| 59 | public: | ||
| 60 | /**************************************** | ||
| 61 | * Fluid phase related static parameters | ||
| 62 | ****************************************/ | ||
| 63 | |||
| 64 | //! Number of phases in the fluid system | ||
| 65 | static constexpr int numPhases = 3; | ||
| 66 | |||
| 67 | //! Index of the wetting phase | ||
| 68 | static constexpr int wPhaseIdx = 0; | ||
| 69 | //! Index of the nonwetting phase | ||
| 70 | static constexpr int nPhaseIdx = 1; | ||
| 71 | //! Index of the gas phase | ||
| 72 | static constexpr int gPhaseIdx = 2; | ||
| 73 | |||
| 74 | /*! | ||
| 75 | * \brief Return the human readable name of a fluid phase | ||
| 76 | * \param phaseIdx The index of the fluid phase to consider | ||
| 77 | */ | ||
| 78 | 21 | static std::string phaseName(int phaseIdx) | |
| 79 | { | ||
| 80 |
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21 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 81 |
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21 | switch (phaseIdx) |
| 82 | { | ||
| 83 | 7 | case wPhaseIdx: return Components::IsAqueous<typename WettingFluid::Component>::value | |
| 84 | ? IOName::aqueousPhase() : IOName::naplPhase(); | ||
| 85 | 7 | case nPhaseIdx: return Components::IsAqueous<typename NonwettingFluid::Component>::value | |
| 86 | ? IOName::aqueousPhase() : IOName::naplPhase(); | ||
| 87 | 7 | case gPhaseIdx: return IOName::gaseousPhase(); | |
| 88 | } | ||
| 89 | DUNE_THROW(Dune::InvalidStateException, "Invalid phase index " << phaseIdx); | ||
| 90 | } | ||
| 91 | |||
| 92 | /*! | ||
| 93 | * \brief Returns whether the fluids are miscible | ||
| 94 | */ | ||
| 95 | static constexpr bool isMiscible() | ||
| 96 | { return false; } | ||
| 97 | |||
| 98 | /*! | ||
| 99 | * \brief Return whether a phase is gaseous | ||
| 100 | * \param phaseIdx The index of the fluid phase to consider | ||
| 101 | */ | ||
| 102 | static constexpr bool isGas(int phaseIdx) | ||
| 103 | { | ||
| 104 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 105 | |||
| 106 | switch (phaseIdx) | ||
| 107 | { | ||
| 108 | case wPhaseIdx: return WettingFluid::isGas(); break; | ||
| 109 | case nPhaseIdx: return NonwettingFluid::isGas(); break; | ||
| 110 | case gPhaseIdx: return Gas::isGas(); break; | ||
| 111 | default: return false; // TODO: constexpr-compatible throw | ||
| 112 | } | ||
| 113 | } | ||
| 114 | |||
| 115 | /*! | ||
| 116 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 117 | * be an ideal mixture. | ||
| 118 | * \param phaseIdx The index of the fluid phase to consider | ||
| 119 | * | ||
| 120 | * We define an ideal mixture as a fluid phase where the fugacity | ||
| 121 | * coefficients of all components times the pressure of the phase | ||
| 122 | * are independent on the fluid composition. This assumption is true | ||
| 123 | * if immiscibility is assumed. If you are unsure what | ||
| 124 | * this function should return, it is safe to return false. The | ||
| 125 | * only damage done will be (slightly) increased computation times | ||
| 126 | * in some cases. | ||
| 127 | */ | ||
| 128 | static constexpr bool isIdealMixture(int phaseIdx) | ||
| 129 | { return true; } | ||
| 130 | |||
| 131 | /*! | ||
| 132 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 133 | * be compressible. | ||
| 134 | * | ||
| 135 | * Compressible means. that the partial derivative of the density | ||
| 136 | * to the fluid pressure is always larger than zero. | ||
| 137 | * | ||
| 138 | * \param phaseIdx The index of the fluid phase to consider | ||
| 139 | */ | ||
| 140 | static constexpr bool isCompressible(int phaseIdx) | ||
| 141 | { | ||
| 142 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 143 | |||
| 144 | // let the fluids decide | ||
| 145 | switch(phaseIdx) | ||
| 146 | { | ||
| 147 | case wPhaseIdx: return WettingFluid::isCompressible(); break; | ||
| 148 | case nPhaseIdx: return NonwettingFluid::isCompressible(); break; | ||
| 149 | case gPhaseIdx: return Gas::isCompressible(); break; | ||
| 150 | default: return false; // TODO: constexpr-compatible throw | ||
| 151 | } | ||
| 152 | } | ||
| 153 | |||
| 154 | /*! | ||
| 155 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 156 | * be an ideal gas. | ||
| 157 | * | ||
| 158 | * \param phaseIdx The index of the fluid phase to consider | ||
| 159 | */ | ||
| 160 | static constexpr bool isIdealGas(int phaseIdx) | ||
| 161 | { | ||
| 162 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 163 | |||
| 164 | // let the fluids decide | ||
| 165 | switch(phaseIdx) | ||
| 166 | { | ||
| 167 | case wPhaseIdx: return WettingFluid::isIdealGas(); break; | ||
| 168 | case nPhaseIdx: return NonwettingFluid::isIdealGas(); break; | ||
| 169 | case gPhaseIdx: return Gas::isIdealGas(); break; | ||
| 170 | default: return false; // TODO: constexpr-compatible throw | ||
| 171 | } | ||
| 172 | } | ||
| 173 | |||
| 174 | /**************************************** | ||
| 175 | * Component related static parameters | ||
| 176 | ****************************************/ | ||
| 177 | |||
| 178 | //! Number of components in the fluid system | ||
| 179 | static constexpr int numComponents = 3;//WettingFluid::numComponents + NonwettingFluid::numComponents + Gas::numComponents; // TODO: 3?? | ||
| 180 | |||
| 181 | //! Index of the wetting phase's component | ||
| 182 | static constexpr int wCompIdx = 0; | ||
| 183 | //! Index of the nonwetting phase's component | ||
| 184 | static constexpr int nCompIdx = 1; | ||
| 185 | //! Index of the gas phase's component | ||
| 186 | static constexpr int gCompIdx = 2; // TODO: correct?? | ||
| 187 | |||
| 188 | /*! | ||
| 189 | * \brief Return the human readable name of a component | ||
| 190 | * | ||
| 191 | * \param compIdx index of the component | ||
| 192 | */ | ||
| 193 | 3 | static std::string componentName(int compIdx) | |
| 194 | { | ||
| 195 |
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3 | assert(0 <= compIdx && compIdx < numComponents); |
| 196 | |||
| 197 |
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3 | switch(compIdx) |
| 198 | { | ||
| 199 | 1 | case wCompIdx: return WettingFluid::name(); break; | |
| 200 | 1 | case nCompIdx: return NonwettingFluid::name(); break; | |
| 201 | 1 | case gCompIdx: return Gas::name(); break; | |
| 202 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | ||
| 203 | } | ||
| 204 | } | ||
| 205 | |||
| 206 | /*! | ||
| 207 | * \brief Return the molar mass of a component in \f$\mathrm{[kg/mol]}\f$. | ||
| 208 | * \param compIdx index of the component | ||
| 209 | */ | ||
| 210 |
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3 | static Scalar molarMass(int compIdx) |
| 211 | { | ||
| 212 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 213 | |||
| 214 |
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27 | switch(compIdx) |
| 215 | { | ||
| 216 | case wCompIdx: return WettingFluid::molarMass(); break; | ||
| 217 | case nCompIdx: return NonwettingFluid::molarMass(); break; | ||
| 218 | 9 | case gCompIdx: return Gas::molarMass(); break; | |
| 219 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | ||
| 220 | } | ||
| 221 | } | ||
| 222 | |||
| 223 | /*! | ||
| 224 | * \brief Critical temperature of a component \f$\mathrm{[K]}\f$. | ||
| 225 | * \param compIdx index of the component | ||
| 226 | */ | ||
| 227 | static Scalar criticalTemperature(int compIdx) | ||
| 228 | { | ||
| 229 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 230 | |||
| 231 | switch(compIdx) | ||
| 232 | { | ||
| 233 | case wCompIdx: return WettingFluid::criticalTemperature(); break; | ||
| 234 | case nCompIdx: return NonwettingFluid::criticalTemperature(); break; | ||
| 235 | case gCompIdx: return Gas::criticalTemperature(); break; | ||
| 236 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | ||
| 237 | } | ||
| 238 | } | ||
| 239 | |||
| 240 | /*! | ||
| 241 | * \brief Critical pressure of a component \f$\mathrm{[Pa]}\f$. | ||
| 242 | * \param compIdx index of the component | ||
| 243 | */ | ||
| 244 | static Scalar criticalPressure(int compIdx) | ||
| 245 | { | ||
| 246 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 247 | |||
| 248 | switch(compIdx) | ||
| 249 | { | ||
| 250 | case wCompIdx: return WettingFluid::criticalPressure(); break; | ||
| 251 | case nCompIdx: return NonwettingFluid::criticalPressure(); break; | ||
| 252 | case gCompIdx: return Gas::criticalPressure(); break; | ||
| 253 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | ||
| 254 | } | ||
| 255 | } | ||
| 256 | |||
| 257 | /*! | ||
| 258 | * \brief The acentric factor of a component \f$\mathrm{[-]}\f$. | ||
| 259 | * \param compIdx index of the component | ||
| 260 | */ | ||
| 261 | static Scalar acentricFactor(int compIdx) | ||
| 262 | { | ||
| 263 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 264 | |||
| 265 | switch(compIdx) | ||
| 266 | { | ||
| 267 | case wCompIdx: return WettingFluid::Component::acentricFactor(); break; | ||
| 268 | case nCompIdx: return NonwettingFluid::Component::acentricFactor(); break; | ||
| 269 | case gCompIdx: return Gas::Component::acentricFactor(); break; | ||
| 270 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | ||
| 271 | } | ||
| 272 | } | ||
| 273 | |||
| 274 | /**************************************** | ||
| 275 | * thermodynamic relations | ||
| 276 | ****************************************/ | ||
| 277 | |||
| 278 | /*! | ||
| 279 | * \brief Initialize the fluid system's static parameters | ||
| 280 | */ | ||
| 281 | static constexpr void init() | ||
| 282 | { | ||
| 283 | // two gaseous phases at once do not make sense physically! | ||
| 284 | // (But two liquids are fine) | ||
| 285 | static_assert(!WettingFluid::isGas() && !NonwettingFluid::isGas() && Gas::isGas(), "There can only be one gaseous phase!"); | ||
| 286 | } | ||
| 287 | |||
| 288 | /*! | ||
| 289 | * \brief Initialize the fluid system's static parameters using | ||
| 290 | * problem specific temperature and pressure ranges | ||
| 291 | * | ||
| 292 | * \param tempMin The minimum temperature used for tabulation of water \f$\mathrm{[K]}\f$ | ||
| 293 | * \param tempMax The maximum temperature used for tabulation of water \f$\mathrm{[K]}\f$ | ||
| 294 | * \param nTemp The number of ticks on the temperature axis of the table of water | ||
| 295 | * \param pressMin The minimum pressure used for tabulation of water \f$\mathrm{[Pa]}\f$ | ||
| 296 | * \param pressMax The maximum pressure used for tabulation of water \f$\mathrm{[Pa]}\f$ | ||
| 297 | * \param nPress The number of ticks on the pressure axis of the table of water | ||
| 298 | */ | ||
| 299 | 2 | static void init(Scalar tempMin, Scalar tempMax, unsigned nTemp, | |
| 300 | Scalar pressMin, Scalar pressMax, unsigned nPress) | ||
| 301 | { | ||
| 302 | // two gaseous phases at once do not make sense physically! | ||
| 303 | static_assert(!WettingFluid::isGas() && !NonwettingFluid::isGas() && Gas::isGas(), "There can only be one gaseous phase!"); | ||
| 304 | |||
| 305 | if (WettingFluid::Component::isTabulated) | ||
| 306 | { | ||
| 307 | 2 | std::cout << "Initializing tables for the wetting fluid properties (" | |
| 308 | 2 | << nTemp*nPress | |
| 309 | 2 | << " entries).\n"; | |
| 310 | |||
| 311 | 2 | WettingFluid::Component::init(tempMin, tempMax, nTemp, | |
| 312 | pressMin, pressMax, nPress); | ||
| 313 | |||
| 314 | } | ||
| 315 | |||
| 316 | if (NonwettingFluid::Component::isTabulated) | ||
| 317 | { | ||
| 318 | std::cout << "Initializing tables for the nonwetting fluid properties (" | ||
| 319 | << nTemp*nPress | ||
| 320 | << " entries).\n"; | ||
| 321 | |||
| 322 | NonwettingFluid::Component::init(tempMin, tempMax, nTemp, | ||
| 323 | pressMin, pressMax, nPress); | ||
| 324 | |||
| 325 | } | ||
| 326 | |||
| 327 | if (Gas::Component::isTabulated) | ||
| 328 | { | ||
| 329 | std::cout << "Initializing tables for the gas fluid properties (" | ||
| 330 | << nTemp*nPress | ||
| 331 | << " entries).\n"; | ||
| 332 | |||
| 333 | Gas::Component::init(tempMin, tempMax, nTemp, | ||
| 334 | pressMin, pressMax, nPress); | ||
| 335 | |||
| 336 | } | ||
| 337 | 2 | } | |
| 338 | |||
| 339 | using Base<Scalar, ThisType>::density; | ||
| 340 | //! \copydoc Base<Scalar,ThisType>::density(const FluidState&,int) | ||
| 341 | template <class FluidState> | ||
| 342 | 758703 | static Scalar density(const FluidState &fluidState, | |
| 343 | int phaseIdx) | ||
| 344 | { | ||
| 345 |
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758703 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 346 | |||
| 347 |
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758703 | Scalar temperature = fluidState.temperature(phaseIdx); |
| 348 | 758703 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 349 | |||
| 350 |
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758703 | switch(phaseIdx) |
| 351 | { | ||
| 352 | 252901 | case wPhaseIdx: return WettingFluid::density(temperature, pressure); break; | |
| 353 | 252901 | case nPhaseIdx: return NonwettingFluid::density(temperature, pressure); break; | |
| 354 | 252901 | case gPhaseIdx: return Gas::density(temperature, pressure); break; | |
| 355 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | ||
| 356 | } | ||
| 357 | } | ||
| 358 | |||
| 359 | using Base<Scalar, ThisType>::molarDensity; | ||
| 360 | /*! | ||
| 361 | * \brief The molar density \f$\rho_{mol,\alpha}\f$ | ||
| 362 | * of a fluid phase \f$\alpha\f$ in \f$\mathrm{[mol/m^3]}\f$ | ||
| 363 | * | ||
| 364 | * The molar density is defined by the | ||
| 365 | * mass density \f$\rho_\alpha\f$ and the component molar mass \f$M_\alpha\f$: | ||
| 366 | * | ||
| 367 | * \f[\rho_{mol,\alpha} = \frac{\rho_\alpha}{M_\alpha} \;.\f] | ||
| 368 | */ | ||
| 369 | template <class FluidState> | ||
| 370 | 3 | static Scalar molarDensity(const FluidState &fluidState, | |
| 371 | int phaseIdx) | ||
| 372 | { | ||
| 373 |
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3 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 374 | |||
| 375 | 3 | Scalar temperature = fluidState.temperature(phaseIdx); | |
| 376 | 3 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 377 | |||
| 378 |
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3 | switch(phaseIdx) |
| 379 | { | ||
| 380 | 1 | case wPhaseIdx: return WettingFluid::molarDensity(temperature, pressure); | |
| 381 | 1 | case nPhaseIdx: return NonwettingFluid::molarDensity(temperature, pressure); | |
| 382 | 1 | case gPhaseIdx: return Gas::molarDensity(temperature, pressure); | |
| 383 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | ||
| 384 | } | ||
| 385 | } | ||
| 386 | |||
| 387 | using Base<Scalar, ThisType>::viscosity; | ||
| 388 | /*! | ||
| 389 | * \brief Return the viscosity of a phase \f$\mathrm{[Pa*s]}\f$. | ||
| 390 | * \param fluidState The fluid state of the two-phase model | ||
| 391 | * \param phaseIdx Index of the fluid phase | ||
| 392 | */ | ||
| 393 | template <class FluidState> | ||
| 394 | 758703 | static Scalar viscosity(const FluidState &fluidState, | |
| 395 | int phaseIdx) | ||
| 396 | { | ||
| 397 |
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758703 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 398 | |||
| 399 |
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758703 | Scalar temperature = fluidState.temperature(phaseIdx); |
| 400 | 758703 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 401 | |||
| 402 |
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758703 | switch(phaseIdx) |
| 403 | { | ||
| 404 | 252901 | case wPhaseIdx: return WettingFluid::viscosity(temperature, pressure); break; | |
| 405 | 252901 | case nPhaseIdx: return NonwettingFluid::viscosity(temperature, pressure); break; | |
| 406 | 252901 | case gPhaseIdx: return Gas::viscosity(temperature, pressure); break; | |
| 407 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | ||
| 408 | } | ||
| 409 | } | ||
| 410 | |||
| 411 | using Base<Scalar, ThisType>::fugacityCoefficient; | ||
| 412 | /*! | ||
| 413 | * \brief Calculate the fugacity coefficient \f$\mathrm{[-]}\f$ of an individual | ||
| 414 | * component in a fluid phase | ||
| 415 | * | ||
| 416 | * The fugacity coefficient \f$\mathrm{\phi^\kappa_\alpha}\f$ is connected to the | ||
| 417 | * fugacity \f$\mathrm{f^\kappa_\alpha}\f$ and the component's mole | ||
| 418 | * fraction \f$\mathrm{x^\kappa_\alpha}\f$ by means of the relation | ||
| 419 | * | ||
| 420 | * \f[ | ||
| 421 | f^\kappa_\alpha = \phi^\kappa_\alpha\;x^\kappa_\alpha\;p_\alpha | ||
| 422 | * \f] | ||
| 423 | * | ||
| 424 | * \param fluidState The fluid state of the two-phase model | ||
| 425 | * \param phaseIdx Index of the fluid phase | ||
| 426 | * \param compIdx index of the component | ||
| 427 | */ | ||
| 428 | template <class FluidState> | ||
| 429 | 9 | static Scalar fugacityCoefficient(const FluidState &fluidState, | |
| 430 | int phaseIdx, | ||
| 431 | int compIdx) | ||
| 432 | { | ||
| 433 |
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9 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 434 |
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9 | assert(0 <= compIdx && compIdx < numComponents); |
| 435 | |||
| 436 |
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9 | if (phaseIdx == compIdx) |
| 437 | // We could calculate the real fugacity coefficient of | ||
| 438 | // the component in the fluid. Probably that's not worth | ||
| 439 | // the effort, since the fugacity coefficient of the other | ||
| 440 | // component is infinite anyway... | ||
| 441 | 3 | return 1.0; | |
| 442 | return std::numeric_limits<Scalar>::infinity(); | ||
| 443 | } | ||
| 444 | |||
| 445 | using Base<Scalar, ThisType>::diffusionCoefficient; | ||
| 446 | /*! | ||
| 447 | * \brief Calculate the binary molecular diffusion coefficient for | ||
| 448 | * a component in a fluid phase \f$\mathrm{[mol^2 * s / (kg*m^3)]}\f$ | ||
| 449 | * \param fluidState The fluid state of the two-phase model | ||
| 450 | * \param phaseIdx Index of the fluid phase | ||
| 451 | * \param compIdx index of the component | ||
| 452 | * | ||
| 453 | * Molecular diffusion of a component \f$\mathrm{\kappa}\f$ is caused by a | ||
| 454 | * gradient of the chemical potential and follows the law | ||
| 455 | * | ||
| 456 | * \f[ J = - D \nabla \mu_\kappa \f] | ||
| 457 | * | ||
| 458 | * where \f$\mathrm{\mu_\kappa]}\f$ is the component's chemical potential, | ||
| 459 | * \f$\mathrm{D}\f$ is the diffusion coefficient and \f$\mathrm{J}\f$ is the | ||
| 460 | * diffusive flux. \f$\mathrm{\mu_\kappa}\f$ is connected to the component's | ||
| 461 | * fugacity \f$\mathrm{f_\kappa}\f$ by the relation | ||
| 462 | * | ||
| 463 | * \f[ \mu_\kappa = R T_\alpha \mathrm{ln} \frac{f_\kappa}{p_\alpha} \f] | ||
| 464 | * | ||
| 465 | * where \f$\mathrm{p_\alpha}\f$ and \f$\mathrm{T_\alpha}\f$ are the fluid phase' | ||
| 466 | * pressure and temperature. | ||
| 467 | */ | ||
| 468 | template <class FluidState> | ||
| 469 | 9 | static Scalar diffusionCoefficient(const FluidState &fluidState, | |
| 470 | int phaseIdx, | ||
| 471 | int compIdx) | ||
| 472 | { | ||
| 473 |
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36 | DUNE_THROW(Dune::InvalidStateException, |
| 474 | "Diffusion coefficients of components are meaningless if" | ||
| 475 | " immiscibility is assumed"); | ||
| 476 | } | ||
| 477 | |||
| 478 | using Base<Scalar, ThisType>::binaryDiffusionCoefficient; | ||
| 479 | /*! | ||
| 480 | * \brief Given a phase's composition, temperature and pressure, | ||
| 481 | * return the binary diffusion coefficient \f$\mathrm{[m^2/s]}\f$ for components | ||
| 482 | * \f$\mathrm{i}\f$ and \f$\mathrm{j}\f$ in this phase. | ||
| 483 | * \param fluidState The fluid state of the two-phase model | ||
| 484 | * \param phaseIdx Index of the fluid phase | ||
| 485 | * \param compIIdx index of the component i | ||
| 486 | * \param compJIdx index of the component j | ||
| 487 | */ | ||
| 488 | template <class FluidState> | ||
| 489 | 27 | static Scalar binaryDiffusionCoefficient(const FluidState &fluidState, | |
| 490 | int phaseIdx, | ||
| 491 | int compIIdx, | ||
| 492 | int compJIdx) | ||
| 493 | |||
| 494 | { | ||
| 495 |
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108 | DUNE_THROW(Dune::InvalidStateException, |
| 496 | "Binary diffusion coefficients of components are meaningless if" | ||
| 497 | " immiscibility is assumed"); | ||
| 498 | } | ||
| 499 | |||
| 500 | using Base<Scalar, ThisType>::enthalpy; | ||
| 501 | /*! | ||
| 502 | * \brief Return the specific enthalpy of a fluid phase \f$\mathrm{[J/kg]}\f$. | ||
| 503 | * \param fluidState The fluid state of the two-phase model | ||
| 504 | * \param phaseIdx Index of the fluid phase | ||
| 505 | */ | ||
| 506 | template <class FluidState> | ||
| 507 | 3 | static Scalar enthalpy(const FluidState &fluidState, | |
| 508 | int phaseIdx) | ||
| 509 | { | ||
| 510 |
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3 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 511 | |||
| 512 | 3 | Scalar temperature = fluidState.temperature(phaseIdx); | |
| 513 | 3 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 514 | |||
| 515 |
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3 | switch(phaseIdx) |
| 516 | { | ||
| 517 | 1 | case wPhaseIdx: return WettingFluid::enthalpy(temperature, pressure); break; | |
| 518 | 1 | case nPhaseIdx: return NonwettingFluid::enthalpy(temperature, pressure); break; | |
| 519 | 1 | case gPhaseIdx: return Gas::enthalpy(temperature, pressure); break; | |
| 520 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | ||
| 521 | } | ||
| 522 | } | ||
| 523 | |||
| 524 | using Base<Scalar, ThisType>::thermalConductivity; | ||
| 525 | /*! | ||
| 526 | * \brief Thermal conductivity of a fluid phase \f$\mathrm{[W/(m K)]}\f$. | ||
| 527 | * \param fluidState The fluid state of the two-phase model | ||
| 528 | * \param phaseIdx Index of the fluid phase | ||
| 529 | */ | ||
| 530 | template <class FluidState> | ||
| 531 | 3 | static Scalar thermalConductivity(const FluidState &fluidState, | |
| 532 | int phaseIdx) | ||
| 533 | { | ||
| 534 |
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3 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 535 | |||
| 536 | 3 | Scalar temperature = fluidState.temperature(phaseIdx); | |
| 537 | 3 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 538 | |||
| 539 |
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3 | switch(phaseIdx) |
| 540 | { | ||
| 541 | 1 | case wPhaseIdx: return WettingFluid::thermalConductivity(temperature, pressure); break; | |
| 542 | 1 | case nPhaseIdx: return NonwettingFluid::thermalConductivity(temperature, pressure); break; | |
| 543 | 1 | case gPhaseIdx: return Gas::thermalConductivity(temperature, pressure); break; | |
| 544 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | ||
| 545 | } | ||
| 546 | } | ||
| 547 | |||
| 548 | using Base<Scalar, ThisType>::heatCapacity; | ||
| 549 | /*! | ||
| 550 | * @copybrief Base::thermalConductivity | ||
| 551 | * | ||
| 552 | * Additional comments: | ||
| 553 | * | ||
| 554 | * Specific isobaric heat capacity of a fluid phase. | ||
| 555 | * \f$\mathrm{[J/(kg*K)]}\f$. | ||
| 556 | * | ||
| 557 | * \param fluidState The fluid state of the two-phase model | ||
| 558 | * \param phaseIdx for which phase to give back the heat capacity | ||
| 559 | */ | ||
| 560 | template <class FluidState> | ||
| 561 | 3 | static Scalar heatCapacity(const FluidState &fluidState, | |
| 562 | int phaseIdx) | ||
| 563 | { | ||
| 564 |
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3 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 565 | |||
| 566 | 3 | Scalar temperature = fluidState.temperature(phaseIdx); | |
| 567 | 3 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 568 | |||
| 569 |
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3 | switch(phaseIdx) |
| 570 | { | ||
| 571 | 1 | case wPhaseIdx: return WettingFluid::heatCapacity(temperature, pressure); break; | |
| 572 | 1 | case nPhaseIdx: return NonwettingFluid::heatCapacity(temperature, pressure); break; | |
| 573 | 1 | case gPhaseIdx: return Gas::heatCapacity(temperature, pressure); break; | |
| 574 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | ||
| 575 | } | ||
| 576 | } | ||
| 577 | }; | ||
| 578 | |||
| 579 | } // end namespace Dumux::FluidSystems | ||
| 580 | |||
| 581 | #endif | ||
| 582 |