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Opm::Air< Scalar > Class Template Reference

A simple class implementing the fluid properties of air. More...

#include <Air.hpp>

Inheritance diagram for Opm::Air< Scalar >:
Opm::Component< Scalar, Air< Scalar > >

Static Public Member Functions

static bool liquidIsCompressible ()
 Returns true iff the liquid phase is assumed to be compressible.
 
static const char * name ()
 A human readable name for the $Air$.
 
static bool gasIsCompressible ()
 Returns true iff the gas phase is assumed to be compressible.
 
static bool gasIsIdeal ()
 Returns true iff the gas phase is assumed to be ideal.
 
static Scalar molarMass ()
 The molar mass in $\mathrm{[kg/mol]}$ of $AIR$. More...
 
static Scalar criticalTemperature ()
 Returns the critical temperature $\mathrm{[K]}$ of $AIR$.
 
static Scalar criticalPressure ()
 Returns the critical pressure $\mathrm{[Pa]}$ of $AIR$.
 
template<class Evaluation >
static Evaluation gasDensity (const Evaluation &temperature, const Evaluation &pressure)
 The density of $AIR$ at a given pressure and temperature [kg/m^3]. More...
 
template<class Evaluation >
static Evaluation gasPressure (const Evaluation &temperature, Scalar density)
 The pressure of gaseous $AIR$ at a given density and temperature $\mathrm{[Pa]}$. More...
 
template<class Evaluation >
static Evaluation gasViscosity (const Evaluation &temperature, const Evaluation &)
 The dynamic viscosity $\mathrm{[Pa*s]}$ of $AIR$ at a given pressure and temperature. More...
 
template<class Evaluation >
static Evaluation simpleGasViscosity (const Evaluation &temperature, const Evaluation &)
 
template<class Evaluation >
static Evaluation gasEnthalpy (const Evaluation &temperature, const Evaluation &)
 Specific enthalpy of liquid water $\mathrm{[J/kg]}$ with 273.15 K as basis. More...
 
template<class Evaluation >
static Evaluation gasInternalEnergy (const Evaluation &temperature, const Evaluation &pressure)
 Specific internal energy of $AIR$ $\mathrm{[J/kg]}$. More...
 
template<class Evaluation >
static Evaluation gasThermalConductivity (const Evaluation &, const Evaluation &)
 Specific heat conductivity of steam $\mathrm{[W/(m K)]}$. More...
 
template<class Evaluation >
static Evaluation gasHeatCapacity (const Evaluation &, const Evaluation &)
 Specific isobaric heat capacity $[J/(kg K)]$ of pure air. More...
 
- Static Public Member Functions inherited from Opm::Component< Scalar, Air< Scalar > >
static void init (Scalar, Scalar, unsigned, Scalar, Scalar, unsigned)
 A default routine for initialization, not needed for components and must not be called. More...
 
static bool gasIsCompressible ()
 Returns true iff the gas phase is assumed to be compressible.
 
static bool gasIsIdeal ()
 Returns true iff the gas phase is assumed to be ideal.
 
static bool liquidIsCompressible ()
 Returns true iff the liquid phase is assumed to be compressible.
 
static const char * name ()
 A human readable name for the component.
 
static Scalar molarMass ()
 The molar mass in $\mathrm{[kg]}$ of the component.
 
static Scalar criticalTemperature ()
 Returns the critical temperature in $\mathrm{[K]}$ of the component.
 
static Scalar criticalPressure ()
 Returns the critical pressure in $\mathrm{[Pa]}$ of the component.
 
static Scalar acentricFactor ()
 Returns the acentric factor of the component.
 
static Scalar criticalVolume ()
 Returns the critical volume in $\mathrm{[m2/kmol]}$ of the component.
 
static Scalar tripleTemperature ()
 Returns the temperature in $\mathrm{[K]}$ at the component's triple point.
 
static Scalar triplePressure ()
 Returns the pressure in $\mathrm{[Pa]}$ at the component's triple point.
 
static Evaluation vaporPressure (const Evaluation &)
 The vapor pressure in $\mathrm{[Pa]}$ of the component at a given temperature in $\mathrm{[K]}$. More...
 
static Evaluation gasDensity (const Evaluation &, const Evaluation &)
 The density in $\mathrm{[kg/m^3]}$ of the component at a given pressure in $\mathrm{[Pa]}$ and temperature in $\mathrm{[K]}$. More...
 
static Evaluation liquidDensity (const Evaluation &, const Evaluation &)
 The density $\mathrm{[kg/m^3]}$ of the liquid component at a given pressure in $\mathrm{[Pa]}$ and temperature in $\mathrm{[K]}$. More...
 
static Evaluation gasEnthalpy (const Evaluation &, const Evaluation &)
 Specific enthalpy $\mathrm{[J/kg]}$ of the pure component in gas. More...
 
static Evaluation liquidEnthalpy (const Evaluation &, const Evaluation &)
 Specific enthalpy $\mathrm{[J/kg]}$ of the pure component in liquid. More...
 
static Evaluation gasInternalEnergy (const Evaluation &, const Evaluation &)
 Specific internal energy $\mathrm{[J/kg]}$ of the pure component in gas. More...
 
static Evaluation liquidInternalEnergy (const Evaluation &, const Evaluation &)
 Specific internal energy $\mathrm{[J/kg]}$ of pure the pure component in liquid. More...
 
static Evaluation gasViscosity (const Evaluation &, const Evaluation &)
 The dynamic viscosity $\mathrm{[Pa*s]}$ of the pure component at a given pressure in $\mathrm{[Pa]}$ and temperature in $\mathrm{[K]}$. More...
 
static Evaluation liquidViscosity (const Evaluation &, const Evaluation &)
 The dynamic liquid viscosity $\mathrm{[Pa*s]}$ of the pure component. More...
 
static Evaluation gasThermalConductivity (const Evaluation &, const Evaluation &)
 Thermal conductivity of the component [W/(m^2 K/m)] as a gas.
 
static Evaluation liquidThermalConductivity (const Evaluation &, const Evaluation &)
 Thermal conductivity of the component [W/(m^2 K/m)] as a liquid.
 
static Evaluation gasHeatCapacity (const Evaluation &, const Evaluation &)
 Specific isobaric heat capacity of the component [J/kg] as a gas.
 
static Evaluation liquidHeatCapacity (const Evaluation &, const Evaluation &)
 Specific isobaric heat capacity of the component [J/kg] as a liquid.
 

Additional Inherited Members

- Public Types inherited from Opm::Component< Scalar, Air< Scalar > >
typedef Scalar Scalar
 
- Static Public Attributes inherited from Opm::Component< Scalar, Air< Scalar > >
static const bool isTabulated
 

Detailed Description

template<class Scalar>
class Opm::Air< Scalar >

A simple class implementing the fluid properties of air.

Template Parameters
ScalarThe type used for scalar values

Member Function Documentation

◆ gasDensity()

template<class Scalar >
template<class Evaluation >
static Evaluation Opm::Air< Scalar >::gasDensity ( const Evaluation &  temperature,
const Evaluation &  pressure 
)
inlinestatic

The density of $AIR$ at a given pressure and temperature [kg/m^3].

Parameters
temperaturetemperature of component in $\mathrm{[K]}$
pressurepressure of phase in $\mathrm{[Pa]}$

◆ gasEnthalpy()

template<class Scalar >
template<class Evaluation >
static Evaluation Opm::Air< Scalar >::gasEnthalpy ( const Evaluation &  temperature,
const Evaluation &   
)
inlinestatic

Specific enthalpy of liquid water $\mathrm{[J/kg]}$ with 273.15 K as basis.

See: W. Kays, M. Crawford, B. Weigand Convective heat and mass transfer, 4th edition (2005) p. 431ff

Parameters
temperaturetemperature of component in $\mathrm{[K]}$
pressurepressure of component in $\mathrm{[Pa]}$

◆ gasHeatCapacity()

template<class Scalar >
template<class Evaluation >
static Evaluation Opm::Air< Scalar >::gasHeatCapacity ( const Evaluation &  ,
const Evaluation &   
)
inlinestatic

Specific isobaric heat capacity $[J/(kg K)]$ of pure air.

This methods uses the formula for "zero-pressure" heat capacity that is only dependent on temperature, because the pressure dependence is rather small. This one should be accurate for a pressure of 1 atm. Values taken from NASA Contractor Report 4755, Real-Gas Flow Properties for NASA Langley Research Center Aerothermodynamic Facilities Complex Wind Tunnels using data from Hilsenrath et al 1955, "Tables of Thermal Properties of Gases"

Parameters
temperaturetemperature of component in $\mathrm{[K]}$
pressurepressure of component in $\mathrm{[Pa]}$

◆ gasInternalEnergy()

template<class Scalar >
template<class Evaluation >
static Evaluation Opm::Air< Scalar >::gasInternalEnergy ( const Evaluation &  temperature,
const Evaluation &  pressure 
)
inlinestatic

Specific internal energy of $AIR$ $\mathrm{[J/kg]}$.

Definition of enthalpy: $h= u + pv = u + p / \rho$. Rearranging for internal energy yields: $u = h - pv$. Exploiting the Ideal Gas assumption ( $pv = R_{\textnormal{specific}} T$)gives: $u = h - R / M T $.

Parameters
temperaturetemperature of component in $\mathrm{[K]}$
pressurepressure of component in $\mathrm{[Pa]}$

◆ gasPressure()

template<class Scalar >
template<class Evaluation >
static Evaluation Opm::Air< Scalar >::gasPressure ( const Evaluation &  temperature,
Scalar  density 
)
inlinestatic

The pressure of gaseous $AIR$ at a given density and temperature $\mathrm{[Pa]}$.

Parameters
temperaturetemperature of component in $\mathrm{[K]}$
densitydensity of component in $\mathrm{[kg/m^3]}$

◆ gasThermalConductivity()

template<class Scalar >
template<class Evaluation >
static Evaluation Opm::Air< Scalar >::gasThermalConductivity ( const Evaluation &  ,
const Evaluation &   
)
inlinestatic

Specific heat conductivity of steam $\mathrm{[W/(m K)]}$.

Isobaric Properties for Nitrogen in: NIST Standard Reference Database Number 69, Eds. P.J. Linstrom and W.G. Mallard evaluated at p=.1 MPa, T=8°C, does not change dramatically with p,T

Parameters
temperaturetemperature of component in $\mathrm{[K]}$
pressurepressure of component in $\mathrm{[Pa]}$

◆ gasViscosity()

template<class Scalar >
template<class Evaluation >
static Evaluation Opm::Air< Scalar >::gasViscosity ( const Evaluation &  temperature,
const Evaluation &   
)
inlinestatic

The dynamic viscosity $\mathrm{[Pa*s]}$ of $AIR$ at a given pressure and temperature.

Parameters
temperaturetemperature of component in $\mathrm{[K]}$
pressurepressure of component in $\mathrm{[Pa]}$

See:

See: R. Reid, et al.: The Properties of Gases and Liquids, 4th edition, McGraw-Hill, 1987, pp 396-397, 667 5th edition, McGraw-Hill, 2001, pp 9.7-9.8

accentric factor taken from: Journal of Energy Resources Technology, March 2005, Vol 127 Formulation for the Thermodynamic Properties Georeg A. Abediyi University, Mississippi State

V_c = (R*T_c)/p_c

◆ molarMass()

template<class Scalar >
static Scalar Opm::Air< Scalar >::molarMass ( )
inlinestatic

The molar mass in $\mathrm{[kg/mol]}$ of $AIR$.

Taken from constrelair.hh.


The documentation for this class was generated from the following file: