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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 Material | ||
| 10 | * \brief Relations valid for an ideal gas. | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_IDEAL_GAS_HH | ||
| 13 | #define DUMUX_IDEAL_GAS_HH | ||
| 14 | |||
| 15 | #include <dumux/material/constants.hh> | ||
| 16 | |||
| 17 | namespace Dumux { | ||
| 18 | |||
| 19 | /*! | ||
| 20 | * \ingroup Material | ||
| 21 | * \brief Relations valid for an ideal gas. | ||
| 22 | */ | ||
| 23 | template <class Scalar> | ||
| 24 | class IdealGas | ||
| 25 | { | ||
| 26 | public: | ||
| 27 | //! The ideal gas constant \f$\mathrm{[J/mol/K]}\f$ | ||
| 28 | static constexpr Scalar R = Constants<Scalar>::R; | ||
| 29 | |||
| 30 | /*! | ||
| 31 | * \brief The density of the gas in \f$\mathrm{[kg/m^3]}\f$, depending on | ||
| 32 | * pressure, temperature and average molar mass of the gas. | ||
| 33 | * \param avgMolarMass The average molar mass of the gas | ||
| 34 | * \param temperature The temperature of the gas | ||
| 35 | * \param pressure The pressure of the gas | ||
| 36 | */ | ||
| 37 | static constexpr Scalar density(Scalar avgMolarMass, | ||
| 38 | Scalar temperature, | ||
| 39 | Scalar pressure) | ||
| 40 | 480152310 | { return molarDensity(temperature,pressure)*avgMolarMass;} | |
| 41 | |||
| 42 | /*! | ||
| 43 | * \brief The pressure of the gas in \f$\mathrm{[Pa]}\f$, depending on | ||
| 44 | * the molar density and temperature. | ||
| 45 | * \param temperature The temperature of the gas | ||
| 46 | * \param rhoMolar The molar density of the gas | ||
| 47 | */ | ||
| 48 | static constexpr Scalar pressure(Scalar temperature, | ||
| 49 | Scalar rhoMolar) | ||
| 50 | 3030677 | { return R*temperature*rhoMolar; } | |
| 51 | |||
| 52 | /*! | ||
| 53 | * \brief The molar density of the gas \f$\mathrm{[mol/m^3]}\f$, | ||
| 54 | * depending on pressure and temperature. | ||
| 55 | * \param temperature The temperature of the gas | ||
| 56 | * \param pressure The pressure of the gas | ||
| 57 | */ | ||
| 58 | static constexpr Scalar molarDensity(Scalar temperature, | ||
| 59 | Scalar pressure) | ||
| 60 |
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247482525 | { return pressure/(R*temperature); } |
| 61 | }; | ||
| 62 | } // end namespace | ||
| 63 | |||
| 64 | #endif | ||
| 65 |