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IdealGas.hpp
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27 #ifndef OPM_IDEAL_GAS_HPP
28 #define OPM_IDEAL_GAS_HPP
29 
31 
32 namespace Opm {
36 template <class Scalar>
37 class IdealGas
38 {
39 public:
41  static const Scalar R;
42 
47  template <class Evaluation>
48  static Evaluation density(const Evaluation& avgMolarMass,
49  const Evaluation& temperature,
50  const Evaluation& pressure)
51  { return pressure*avgMolarMass/(R*temperature); }
52 
57  template <class Evaluation>
58  static Evaluation pressure(const Evaluation& temperature,
59  const Evaluation& rhoMolar)
60  { return R*temperature*rhoMolar; }
61 
66  template <class Evaluation>
67  static Evaluation molarDensity(const Evaluation& temperature,
68  const Evaluation& pressure)
69  { return pressure/(R*temperature); }
70 };
71 
72 template <class Scalar>
74 
75 } // namespace Opm
76 
77 #endif
A central place for various physical constants occuring in some equations.
static const Scalar R
The ideal gas constant [J/(mol K)].
Definition: Constants.hpp:45
Relations valid for an ideal gas.
Definition: IdealGas.hpp:38
static const Scalar R
The ideal gas constant .
Definition: IdealGas.hpp:41
static Evaluation pressure(const Evaluation &temperature, const Evaluation &rhoMolar)
The pressure of the gas in , depending on the molar density and temperature.
Definition: IdealGas.hpp:58
static Evaluation density(const Evaluation &avgMolarMass, const Evaluation &temperature, const Evaluation &pressure)
The density of the gas in , depending on pressure, temperature and average molar mass of the gas.
Definition: IdealGas.hpp:48
static Evaluation molarDensity(const Evaluation &temperature, const Evaluation &pressure)
The molar density of the gas , depending on pressure and temperature.
Definition: IdealGas.hpp:67