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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 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 { | ||
| 28 | namespace FluidSystems { | ||
| 29 | |||
| 30 | /*! | ||
| 31 | * \ingroup FluidSystems | ||
| 32 | * \brief A fluid system for three-phase models assuming immiscibility and | ||
| 33 | * thermodynamic equilibrium | ||
| 34 | * | ||
| 35 | * The fluid phases are completely specified by means of their | ||
| 36 | * constituting components. | ||
| 37 | * The wetting and the nonwetting phase can be defined individually | ||
| 38 | * via FluidSystem::OnePLiquid<Scalar, Component>. The gas phase can be defined via | ||
| 39 | * FluidSystems::OnePGas<Scalar, Component> | ||
| 40 | * These phases consist of one pure component. | ||
| 41 | * | ||
| 42 | * \tparam Scalar the scalar type | ||
| 43 | * \tparam WettingFluid the wetting phase fluid system (use FluidSystem::OnePLiquid<Scalar, Component>) | ||
| 44 | * \tparam NonwettingFluid the wetting phase fluid system (use FluidSystem::OnePLiquid<Scalar, Component>) | ||
| 45 | * \tparam Gas the gas phase fluid system (use FluidSystem::OnePGas<Scalar, Component>) | ||
| 46 | */ | ||
| 47 | template <class Scalar, class WettingFluid, class NonwettingFluid, class Gas> | ||
| 48 | class ThreePImmiscible | ||
| 49 | : public Base<Scalar, ThreePImmiscible<Scalar, WettingFluid, NonwettingFluid, Gas> > | ||
| 50 | { | ||
| 51 | static_assert((WettingFluid::numPhases == 1), "WettingFluid has more than one phase"); | ||
| 52 | static_assert((NonwettingFluid::numPhases == 1), "NonwettingFluid has more than one phase"); | ||
| 53 | static_assert((Gas::numPhases == 1), "Gas has more than one phase"); | ||
| 54 | static_assert((WettingFluid::numComponents == 1), "WettingFluid has more than one component"); | ||
| 55 | static_assert((NonwettingFluid::numComponents == 1), "NonwettingFluid has more than one component"); | ||
| 56 | static_assert((Gas::numComponents == 1), "Gas has more than one component"); | ||
| 57 | |||
| 58 | using ThisType = ThreePImmiscible<Scalar, WettingFluid, NonwettingFluid, Gas>; | ||
| 59 | |||
| 60 | public: | ||
| 61 | /**************************************** | ||
| 62 | * Fluid phase related static parameters | ||
| 63 | ****************************************/ | ||
| 64 | |||
| 65 | //! Number of phases in the fluid system | ||
| 66 | static constexpr int numPhases = 3; | ||
| 67 | |||
| 68 | //! Index of the wetting phase | ||
| 69 | static constexpr int wPhaseIdx = 0; | ||
| 70 | //! Index of the nonwetting phase | ||
| 71 | static constexpr int nPhaseIdx = 1; | ||
| 72 | //! Index of the gas phase | ||
| 73 | static constexpr int gPhaseIdx = 2; | ||
| 74 | |||
| 75 | /*! | ||
| 76 | * \brief Return the human readable name of a fluid phase | ||
| 77 | * \param phaseIdx The index of the fluid phase to consider | ||
| 78 | */ | ||
| 79 | 21 | static std::string phaseName(int phaseIdx) | |
| 80 | { | ||
| 81 |
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21 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 82 |
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21 | switch (phaseIdx) |
| 83 | { | ||
| 84 | case wPhaseIdx: return Components::IsAqueous<typename WettingFluid::Component>::value | ||
| 85 | 7 | ? IOName::aqueousPhase() : IOName::naplPhase(); | |
| 86 | case nPhaseIdx: return Components::IsAqueous<typename NonwettingFluid::Component>::value | ||
| 87 | 7 | ? IOName::aqueousPhase() : IOName::naplPhase(); | |
| 88 | 7 | case gPhaseIdx: return IOName::gaseousPhase(); | |
| 89 | } | ||
| 90 | ✗ | DUNE_THROW(Dune::InvalidStateException, "Invalid phase index " << phaseIdx); | |
| 91 | } | ||
| 92 | |||
| 93 | /*! | ||
| 94 | * \brief Returns whether the fluids are miscible | ||
| 95 | */ | ||
| 96 | static constexpr bool isMiscible() | ||
| 97 | { return false; } | ||
| 98 | |||
| 99 | /*! | ||
| 100 | * \brief Return whether a phase is gaseous | ||
| 101 | * \param phaseIdx The index of the fluid phase to consider | ||
| 102 | */ | ||
| 103 | static constexpr bool isGas(int phaseIdx) | ||
| 104 | { | ||
| 105 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 106 | |||
| 107 | switch (phaseIdx) | ||
| 108 | { | ||
| 109 | case wPhaseIdx: return WettingFluid::isGas(); break; | ||
| 110 | case nPhaseIdx: return NonwettingFluid::isGas(); break; | ||
| 111 | case gPhaseIdx: return Gas::isGas(); break; | ||
| 112 | default: return false; // TODO: constexpr-compatible throw | ||
| 113 | } | ||
| 114 | } | ||
| 115 | |||
| 116 | /*! | ||
| 117 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 118 | * be an ideal mixture. | ||
| 119 | * \param phaseIdx The index of the fluid phase to consider | ||
| 120 | * | ||
| 121 | * We define an ideal mixture as a fluid phase where the fugacity | ||
| 122 | * coefficients of all components times the pressure of the phase | ||
| 123 | * are independent on the fluid composition. This assumption is true | ||
| 124 | * if immiscibility is assumed. If you are unsure what | ||
| 125 | * this function should return, it is safe to return false. The | ||
| 126 | * only damage done will be (slightly) increased computation times | ||
| 127 | * in some cases. | ||
| 128 | */ | ||
| 129 | ✗ | static constexpr bool isIdealMixture(int phaseIdx) | |
| 130 | ✗ | { return true; } | |
| 131 | |||
| 132 | /*! | ||
| 133 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 134 | * be compressible. | ||
| 135 | * | ||
| 136 | * Compressible means. that the partial derivative of the density | ||
| 137 | * to the fluid pressure is always larger than zero. | ||
| 138 | * | ||
| 139 | * \param phaseIdx The index of the fluid phase to consider | ||
| 140 | */ | ||
| 141 | static constexpr bool isCompressible(int phaseIdx) | ||
| 142 | { | ||
| 143 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 144 | |||
| 145 | // let the fluids decide | ||
| 146 | switch(phaseIdx) | ||
| 147 | { | ||
| 148 | case wPhaseIdx: return WettingFluid::isCompressible(); break; | ||
| 149 | case nPhaseIdx: return NonwettingFluid::isCompressible(); break; | ||
| 150 | case gPhaseIdx: return Gas::isCompressible(); break; | ||
| 151 | default: return false; // TODO: constexpr-compatible throw | ||
| 152 | } | ||
| 153 | } | ||
| 154 | |||
| 155 | /*! | ||
| 156 | * \brief Returns true if and only if a fluid phase is assumed to | ||
| 157 | * be an ideal gas. | ||
| 158 | * | ||
| 159 | * \param phaseIdx The index of the fluid phase to consider | ||
| 160 | */ | ||
| 161 | static constexpr bool isIdealGas(int phaseIdx) | ||
| 162 | { | ||
| 163 | assert(0 <= phaseIdx && phaseIdx < numPhases); | ||
| 164 | |||
| 165 | // let the fluids decide | ||
| 166 | switch(phaseIdx) | ||
| 167 | { | ||
| 168 | case wPhaseIdx: return WettingFluid::isIdealGas(); break; | ||
| 169 | case nPhaseIdx: return NonwettingFluid::isIdealGas(); break; | ||
| 170 | case gPhaseIdx: return Gas::isIdealGas(); break; | ||
| 171 | default: return false; // TODO: constexpr-compatible throw | ||
| 172 | } | ||
| 173 | } | ||
| 174 | |||
| 175 | /**************************************** | ||
| 176 | * Component related static parameters | ||
| 177 | ****************************************/ | ||
| 178 | |||
| 179 | //! Number of components in the fluid system | ||
| 180 | static constexpr int numComponents = 3;//WettingFluid::numComponents + NonwettingFluid::numComponents + Gas::numComponents; // TODO: 3?? | ||
| 181 | |||
| 182 | //! Index of the wetting phase's component | ||
| 183 | static constexpr int wCompIdx = 0; | ||
| 184 | //! Index of the nonwetting phase's component | ||
| 185 | static constexpr int nCompIdx = 1; | ||
| 186 | //! Index of the gas phase's component | ||
| 187 | static constexpr int gCompIdx = 2; // TODO: correct?? | ||
| 188 | |||
| 189 | /*! | ||
| 190 | * \brief Return the human readable name of a component | ||
| 191 | * | ||
| 192 | * \param compIdx index of the component | ||
| 193 | */ | ||
| 194 | 3 | static std::string componentName(int compIdx) | |
| 195 | { | ||
| 196 |
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3 | assert(0 <= compIdx && compIdx < numComponents); |
| 197 | |||
| 198 |
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3 | switch(compIdx) |
| 199 | { | ||
| 200 | 1 | case wCompIdx: return WettingFluid::name(); break; | |
| 201 | 1 | case nCompIdx: return NonwettingFluid::name(); break; | |
| 202 | 1 | case gCompIdx: return Gas::name(); break; | |
| 203 | ✗ | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | |
| 204 | } | ||
| 205 | } | ||
| 206 | |||
| 207 | /*! | ||
| 208 | * \brief Return the molar mass of a component in \f$\mathrm{[kg/mol]}\f$. | ||
| 209 | * \param compIdx index of the component | ||
| 210 | */ | ||
| 211 | 30 | static Scalar molarMass(int compIdx) | |
| 212 | { | ||
| 213 |
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30 | assert(0 <= compIdx && compIdx < numComponents); |
| 214 | |||
| 215 |
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30 | switch(compIdx) |
| 216 | { | ||
| 217 | case wCompIdx: return WettingFluid::molarMass(); break; | ||
| 218 | case nCompIdx: return NonwettingFluid::molarMass(); break; | ||
| 219 | 10 | case gCompIdx: return Gas::molarMass(); break; | |
| 220 | ✗ | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | |
| 221 | } | ||
| 222 | } | ||
| 223 | |||
| 224 | /*! | ||
| 225 | * \brief Critical temperature of a component \f$\mathrm{[K]}\f$. | ||
| 226 | * \param compIdx index of the component | ||
| 227 | */ | ||
| 228 | static Scalar criticalTemperature(int compIdx) | ||
| 229 | { | ||
| 230 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 231 | |||
| 232 | switch(compIdx) | ||
| 233 | { | ||
| 234 | case wCompIdx: return WettingFluid::criticalTemperature(); break; | ||
| 235 | case nCompIdx: return NonwettingFluid::criticalTemperature(); break; | ||
| 236 | case gCompIdx: return Gas::criticalTemperature(); break; | ||
| 237 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | ||
| 238 | } | ||
| 239 | } | ||
| 240 | |||
| 241 | /*! | ||
| 242 | * \brief Critical pressure of a component \f$\mathrm{[Pa]}\f$. | ||
| 243 | * \param compIdx index of the component | ||
| 244 | */ | ||
| 245 | static Scalar criticalPressure(int compIdx) | ||
| 246 | { | ||
| 247 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 248 | |||
| 249 | switch(compIdx) | ||
| 250 | { | ||
| 251 | case wCompIdx: return WettingFluid::criticalPressure(); break; | ||
| 252 | case nCompIdx: return NonwettingFluid::criticalPressure(); break; | ||
| 253 | case gCompIdx: return Gas::criticalPressure(); break; | ||
| 254 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | ||
| 255 | } | ||
| 256 | } | ||
| 257 | |||
| 258 | /*! | ||
| 259 | * \brief The acentric factor of a component \f$\mathrm{[-]}\f$. | ||
| 260 | * \param compIdx index of the component | ||
| 261 | */ | ||
| 262 | static Scalar acentricFactor(int compIdx) | ||
| 263 | { | ||
| 264 | assert(0 <= compIdx && compIdx < numComponents); | ||
| 265 | |||
| 266 | switch(compIdx) | ||
| 267 | { | ||
| 268 | case wCompIdx: return WettingFluid::Component::acentricFactor(); break; | ||
| 269 | case nCompIdx: return NonwettingFluid::Component::acentricFactor(); break; | ||
| 270 | case gCompIdx: return Gas::Component::acentricFactor(); break; | ||
| 271 | default: DUNE_THROW(Dune::InvalidStateException, "Invalid component index"); | ||
| 272 | } | ||
| 273 | } | ||
| 274 | |||
| 275 | /**************************************** | ||
| 276 | * thermodynamic relations | ||
| 277 | ****************************************/ | ||
| 278 | |||
| 279 | /*! | ||
| 280 | * \brief Initialize the fluid system's static parameters | ||
| 281 | */ | ||
| 282 | static constexpr void init() | ||
| 283 | { | ||
| 284 | // two gaseous phases at once do not make sense physically! | ||
| 285 | // (But two liquids are fine) | ||
| 286 | static_assert(!WettingFluid::isGas() && !NonwettingFluid::isGas() && Gas::isGas(), "There can only be one gaseous phase!"); | ||
| 287 | } | ||
| 288 | |||
| 289 | /*! | ||
| 290 | * \brief Initialize the fluid system's static parameters using | ||
| 291 | * problem specific temperature and pressure ranges | ||
| 292 | * | ||
| 293 | * \param tempMin The minimum temperature used for tabulation of water \f$\mathrm{[K]}\f$ | ||
| 294 | * \param tempMax The maximum temperature used for tabulation of water \f$\mathrm{[K]}\f$ | ||
| 295 | * \param nTemp The number of ticks on the temperature axis of the table of water | ||
| 296 | * \param pressMin The minimum pressure used for tabulation of water \f$\mathrm{[Pa]}\f$ | ||
| 297 | * \param pressMax The maximum pressure used for tabulation of water \f$\mathrm{[Pa]}\f$ | ||
| 298 | * \param nPress The number of ticks on the pressure axis of the table of water | ||
| 299 | */ | ||
| 300 | 2 | static void init(Scalar tempMin, Scalar tempMax, unsigned nTemp, | |
| 301 | Scalar pressMin, Scalar pressMax, unsigned nPress) | ||
| 302 | { | ||
| 303 | // two gaseous phases at once do not make sense physically! | ||
| 304 | static_assert(!WettingFluid::isGas() && !NonwettingFluid::isGas() && Gas::isGas(), "There can only be one gaseous phase!"); | ||
| 305 | |||
| 306 | if (WettingFluid::Component::isTabulated) | ||
| 307 | { | ||
| 308 | 2 | std::cout << "Initializing tables for the wetting fluid properties (" | |
| 309 | 2 | << nTemp*nPress | |
| 310 | 2 | << " entries).\n"; | |
| 311 | |||
| 312 | 2 | WettingFluid::Component::init(tempMin, tempMax, nTemp, | |
| 313 | pressMin, pressMax, nPress); | ||
| 314 | |||
| 315 | } | ||
| 316 | |||
| 317 | if (NonwettingFluid::Component::isTabulated) | ||
| 318 | { | ||
| 319 | std::cout << "Initializing tables for the nonwetting fluid properties (" | ||
| 320 | << nTemp*nPress | ||
| 321 | << " entries).\n"; | ||
| 322 | |||
| 323 | NonwettingFluid::Component::init(tempMin, tempMax, nTemp, | ||
| 324 | pressMin, pressMax, nPress); | ||
| 325 | |||
| 326 | } | ||
| 327 | |||
| 328 | if (Gas::Component::isTabulated) | ||
| 329 | { | ||
| 330 | std::cout << "Initializing tables for the gas fluid properties (" | ||
| 331 | << nTemp*nPress | ||
| 332 | << " entries).\n"; | ||
| 333 | |||
| 334 | Gas::Component::init(tempMin, tempMax, nTemp, | ||
| 335 | pressMin, pressMax, nPress); | ||
| 336 | |||
| 337 | } | ||
| 338 | 2 | } | |
| 339 | |||
| 340 | using Base<Scalar, ThisType>::density; | ||
| 341 | //! \copydoc Base<Scalar,ThisType>::density(const FluidState&,int) | ||
| 342 | template <class FluidState> | ||
| 343 | 758703 | static Scalar density(const FluidState &fluidState, | |
| 344 | int phaseIdx) | ||
| 345 | { | ||
| 346 |
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758703 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 347 | |||
| 348 |
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758703 | Scalar temperature = fluidState.temperature(phaseIdx); |
| 349 |
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758703 | Scalar pressure = fluidState.pressure(phaseIdx); |
| 350 | |||
| 351 |
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758703 | switch(phaseIdx) |
| 352 | { | ||
| 353 | 505802 | case wPhaseIdx: return WettingFluid::density(temperature, pressure); break; | |
| 354 | 252902 | case nPhaseIdx: return NonwettingFluid::density(temperature, pressure); break; | |
| 355 | 505802 | case gPhaseIdx: return Gas::density(temperature, pressure); break; | |
| 356 | ✗ | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | |
| 357 | } | ||
| 358 | } | ||
| 359 | |||
| 360 | using Base<Scalar, ThisType>::molarDensity; | ||
| 361 | /*! | ||
| 362 | * \brief The molar density \f$\rho_{mol,\alpha}\f$ | ||
| 363 | * of a fluid phase \f$\alpha\f$ in \f$\mathrm{[mol/m^3]}\f$ | ||
| 364 | * | ||
| 365 | * The molar density is defined by the | ||
| 366 | * mass density \f$\rho_\alpha\f$ and the component molar mass \f$M_\alpha\f$: | ||
| 367 | * | ||
| 368 | * \f[\rho_{mol,\alpha} = \frac{\rho_\alpha}{M_\alpha} \;.\f] | ||
| 369 | */ | ||
| 370 | template <class FluidState> | ||
| 371 | 3 | static Scalar molarDensity(const FluidState &fluidState, | |
| 372 | int phaseIdx) | ||
| 373 | { | ||
| 374 |
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3 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 375 | |||
| 376 | 3 | Scalar temperature = fluidState.temperature(phaseIdx); | |
| 377 | 3 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 378 | |||
| 379 |
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3 | switch(phaseIdx) |
| 380 | { | ||
| 381 | 1 | case wPhaseIdx: return WettingFluid::molarDensity(temperature, pressure); | |
| 382 | 1 | case nPhaseIdx: return NonwettingFluid::molarDensity(temperature, pressure); | |
| 383 | 2 | case gPhaseIdx: return Gas::molarDensity(temperature, pressure); | |
| 384 | ✗ | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | |
| 385 | } | ||
| 386 | } | ||
| 387 | |||
| 388 | using Base<Scalar, ThisType>::viscosity; | ||
| 389 | /*! | ||
| 390 | * \brief Return the viscosity of a phase \f$\mathrm{[Pa*s]}\f$. | ||
| 391 | * \param fluidState The fluid state of the two-phase model | ||
| 392 | * \param phaseIdx Index of the fluid phase | ||
| 393 | */ | ||
| 394 | template <class FluidState> | ||
| 395 | 758703 | static Scalar viscosity(const FluidState &fluidState, | |
| 396 | int phaseIdx) | ||
| 397 | { | ||
| 398 |
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758703 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 399 | |||
| 400 |
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758703 | Scalar temperature = fluidState.temperature(phaseIdx); |
| 401 |
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758703 | Scalar pressure = fluidState.pressure(phaseIdx); |
| 402 | |||
| 403 |
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758703 | switch(phaseIdx) |
| 404 | { | ||
| 405 | 505802 | case wPhaseIdx: return WettingFluid::viscosity(temperature, pressure); break; | |
| 406 | 505802 | case nPhaseIdx: return NonwettingFluid::viscosity(temperature, pressure); break; | |
| 407 | 505802 | case gPhaseIdx: return Gas::viscosity(temperature, pressure); break; | |
| 408 | ✗ | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | |
| 409 | } | ||
| 410 | } | ||
| 411 | |||
| 412 | using Base<Scalar, ThisType>::fugacityCoefficient; | ||
| 413 | /*! | ||
| 414 | * \brief Calculate the fugacity coefficient \f$\mathrm{[-]}\f$ of an individual | ||
| 415 | * component in a fluid phase | ||
| 416 | * | ||
| 417 | * The fugacity coefficient \f$\mathrm{\phi^\kappa_\alpha}\f$ is connected to the | ||
| 418 | * fugacity \f$\mathrm{f^\kappa_\alpha}\f$ and the component's mole | ||
| 419 | * fraction \f$\mathrm{x^\kappa_\alpha}\f$ by means of the relation | ||
| 420 | * | ||
| 421 | * \f[ | ||
| 422 | f^\kappa_\alpha = \phi^\kappa_\alpha\;x^\kappa_\alpha\;p_\alpha | ||
| 423 | * \f] | ||
| 424 | * | ||
| 425 | * \param fluidState The fluid state of the two-phase model | ||
| 426 | * \param phaseIdx Index of the fluid phase | ||
| 427 | * \param compIdx index of the component | ||
| 428 | */ | ||
| 429 | template <class FluidState> | ||
| 430 | ✗ | static Scalar fugacityCoefficient(const FluidState &fluidState, | |
| 431 | int phaseIdx, | ||
| 432 | int compIdx) | ||
| 433 | { | ||
| 434 | ✗ | assert(0 <= phaseIdx && phaseIdx < numPhases); | |
| 435 | ✗ | assert(0 <= compIdx && compIdx < numComponents); | |
| 436 | |||
| 437 | ✗ | if (phaseIdx == compIdx) | |
| 438 | // We could calculate the real fugacity coefficient of | ||
| 439 | // the component in the fluid. Probably that's not worth | ||
| 440 | // the effort, since the fugacity coefficient of the other | ||
| 441 | // component is infinite anyway... | ||
| 442 | ✗ | return 1.0; | |
| 443 | return std::numeric_limits<Scalar>::infinity(); | ||
| 444 | } | ||
| 445 | |||
| 446 | using Base<Scalar, ThisType>::diffusionCoefficient; | ||
| 447 | /*! | ||
| 448 | * \brief Calculate the binary molecular diffusion coefficient for | ||
| 449 | * a component in a fluid phase \f$\mathrm{[mol^2 * s / (kg*m^3)]}\f$ | ||
| 450 | * \param fluidState The fluid state of the two-phase model | ||
| 451 | * \param phaseIdx Index of the fluid phase | ||
| 452 | * \param compIdx index of the component | ||
| 453 | * | ||
| 454 | * Molecular diffusion of a component \f$\mathrm{\kappa}\f$ is caused by a | ||
| 455 | * gradient of the chemical potential and follows the law | ||
| 456 | * | ||
| 457 | * \f[ J = - D \nabla \mu_\kappa \f] | ||
| 458 | * | ||
| 459 | * where \f$\mathrm{\mu_\kappa]}\f$ is the component's chemical potential, | ||
| 460 | * \f$\mathrm{D}\f$ is the diffusion coefficient and \f$\mathrm{J}\f$ is the | ||
| 461 | * diffusive flux. \f$\mathrm{\mu_\kappa}\f$ is connected to the component's | ||
| 462 | * fugacity \f$\mathrm{f_\kappa}\f$ by the relation | ||
| 463 | * | ||
| 464 | * \f[ \mu_\kappa = R T_\alpha \mathrm{ln} \frac{f_\kappa}{p_\alpha} \f] | ||
| 465 | * | ||
| 466 | * where \f$\mathrm{p_\alpha}\f$ and \f$\mathrm{T_\alpha}\f$ are the fluid phase' | ||
| 467 | * pressure and temperature. | ||
| 468 | */ | ||
| 469 | template <class FluidState> | ||
| 470 | 9 | static Scalar diffusionCoefficient(const FluidState &fluidState, | |
| 471 | int phaseIdx, | ||
| 472 | int compIdx) | ||
| 473 | { | ||
| 474 |
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99 | DUNE_THROW(Dune::InvalidStateException, |
| 475 | "Diffusion coefficients of components are meaningless if" | ||
| 476 | " immiscibility is assumed"); | ||
| 477 | } | ||
| 478 | |||
| 479 | using Base<Scalar, ThisType>::binaryDiffusionCoefficient; | ||
| 480 | /*! | ||
| 481 | * \brief Given a phase's composition, temperature and pressure, | ||
| 482 | * return the binary diffusion coefficient \f$\mathrm{[m^2/s]}\f$ for components | ||
| 483 | * \f$\mathrm{i}\f$ and \f$\mathrm{j}\f$ in this phase. | ||
| 484 | * \param fluidState The fluid state of the two-phase model | ||
| 485 | * \param phaseIdx Index of the fluid phase | ||
| 486 | * \param compIIdx index of the component i | ||
| 487 | * \param compJIdx index of the component j | ||
| 488 | */ | ||
| 489 | template <class FluidState> | ||
| 490 | 27 | static Scalar binaryDiffusionCoefficient(const FluidState &fluidState, | |
| 491 | int phaseIdx, | ||
| 492 | int compIIdx, | ||
| 493 | int compJIdx) | ||
| 494 | |||
| 495 | { | ||
| 496 |
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297 | DUNE_THROW(Dune::InvalidStateException, |
| 497 | "Binary diffusion coefficients of components are meaningless if" | ||
| 498 | " immiscibility is assumed"); | ||
| 499 | } | ||
| 500 | |||
| 501 | using Base<Scalar, ThisType>::enthalpy; | ||
| 502 | /*! | ||
| 503 | * \brief Return the specific enthalpy of a fluid phase \f$\mathrm{[J/kg]}\f$. | ||
| 504 | * \param fluidState The fluid state of the two-phase model | ||
| 505 | * \param phaseIdx Index of the fluid phase | ||
| 506 | */ | ||
| 507 | template <class FluidState> | ||
| 508 | 3 | static Scalar enthalpy(const FluidState &fluidState, | |
| 509 | int phaseIdx) | ||
| 510 | { | ||
| 511 |
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3 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 512 | |||
| 513 | 3 | Scalar temperature = fluidState.temperature(phaseIdx); | |
| 514 | 3 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 515 | |||
| 516 |
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3 | switch(phaseIdx) |
| 517 | { | ||
| 518 | 2 | case wPhaseIdx: return WettingFluid::enthalpy(temperature, pressure); break; | |
| 519 | 2 | case nPhaseIdx: return NonwettingFluid::enthalpy(temperature, pressure); break; | |
| 520 | 2 | case gPhaseIdx: return Gas::enthalpy(temperature, pressure); break; | |
| 521 | ✗ | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | |
| 522 | } | ||
| 523 | } | ||
| 524 | |||
| 525 | using Base<Scalar, ThisType>::thermalConductivity; | ||
| 526 | /*! | ||
| 527 | * \brief Thermal conductivity of a fluid phase \f$\mathrm{[W/(m K)]}\f$. | ||
| 528 | * \param fluidState The fluid state of the two-phase model | ||
| 529 | * \param phaseIdx Index of the fluid phase | ||
| 530 | */ | ||
| 531 | template <class FluidState> | ||
| 532 | 3 | static Scalar thermalConductivity(const FluidState &fluidState, | |
| 533 | int phaseIdx) | ||
| 534 | { | ||
| 535 |
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3 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 536 | |||
| 537 | 3 | Scalar temperature = fluidState.temperature(phaseIdx); | |
| 538 | 3 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 539 | |||
| 540 |
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3 | switch(phaseIdx) |
| 541 | { | ||
| 542 | 2 | case wPhaseIdx: return WettingFluid::thermalConductivity(temperature, pressure); break; | |
| 543 | 2 | case nPhaseIdx: return NonwettingFluid::thermalConductivity(temperature, pressure); break; | |
| 544 | 2 | case gPhaseIdx: return Gas::thermalConductivity(temperature, pressure); break; | |
| 545 | ✗ | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | |
| 546 | } | ||
| 547 | } | ||
| 548 | |||
| 549 | using Base<Scalar, ThisType>::heatCapacity; | ||
| 550 | /*! | ||
| 551 | * @copybrief Base::thermalConductivity | ||
| 552 | * | ||
| 553 | * Additional comments: | ||
| 554 | * | ||
| 555 | * Specific isobaric heat capacity of a fluid phase. | ||
| 556 | * \f$\mathrm{[J/(kg*K)]}\f$. | ||
| 557 | * | ||
| 558 | * \param fluidState The fluid state of the two-phase model | ||
| 559 | * \param phaseIdx for which phase to give back the heat capacity | ||
| 560 | */ | ||
| 561 | template <class FluidState> | ||
| 562 | 3 | static Scalar heatCapacity(const FluidState &fluidState, | |
| 563 | int phaseIdx) | ||
| 564 | { | ||
| 565 |
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3 | assert(0 <= phaseIdx && phaseIdx < numPhases); |
| 566 | |||
| 567 | 3 | Scalar temperature = fluidState.temperature(phaseIdx); | |
| 568 | 3 | Scalar pressure = fluidState.pressure(phaseIdx); | |
| 569 | |||
| 570 |
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3 | switch(phaseIdx) |
| 571 | { | ||
| 572 | 2 | case wPhaseIdx: return WettingFluid::heatCapacity(temperature, pressure); break; | |
| 573 | 2 | case nPhaseIdx: return NonwettingFluid::heatCapacity(temperature, pressure); break; | |
| 574 | 2 | case gPhaseIdx: return Gas::heatCapacity(temperature, pressure); break; | |
| 575 | ✗ | default: DUNE_THROW(Dune::InvalidStateException, "Invalid phase index"); | |
| 576 | } | ||
| 577 | } | ||
| 578 | }; | ||
| 579 | |||
| 580 | } // end namespace FluidSystems | ||
| 581 | } // end namespace Dumux | ||
| 582 | |||
| 583 | #endif | ||
| 584 |