Pure species representation of methane. More...

#include <Methane.h>

Inheritance diagram for methane:

Detailed Description

Pure species representation of methane.

Values and functions are from Reynolds [35].

Definition at line 16 of file Methane.h.

Public Member Functions
double	MolWt () override
	Molecular weight [kg/kmol]. More...

double	Tcrit () override
	Critical temperature [K]. More...

double	Pcrit () override
	Critical pressure [Pa]. More...

double	Vcrit () override
	Critical specific volume [m^3/kg]. More...

double	Tmin () override
	Minimum temperature for which the equation of state is valid. More...

double	Tmax () override
	Maximum temperature for which the equation of state is valid. More...

double	Pp () override

double	up () override
	Internal energy of a single-phase state. More...

double	sp () override
	Entropy of a single-phase state. More...

double	Psat () override
	Saturation pressure. Equation S3 from Reynolds TPSI. More...

Public Member Functions inherited from Substance
void	setStdState (double h0=0.0, double s0=0.0, double t0=298.15, double p0=1.01325e5)

double	hp ()
	Enthalpy of a single-phase state. More...

double	gp ()
	Gibbs function of a single-phase state. More...

double	prop (propertyFlag::type ijob)

void	set_TPp (double t0, double p0)
	set T and P More...

void	Set (PropertyPair::type XY, double x0, double y0)
	Function to set or change the state for a property pair XY where x0 is the value of first property and y0 is the value of the second property. More...

const char *	name ()
	Name of the substance. More...

const char *	formula ()
	Chemical formula for the substance. More...

double	P ()
	Pressure [Pa]. More...

double	Temp ()
	Temperature [K]. More...

double	v ()
	Specific volume [m^3/kg]. More...

double	u ()
	Internal energy [J/kg]. More...

double	h ()
	Enthalpy [J/kg]. More...

double	s ()
	Entropy [J/kg/K]. More...

double	f ()
	Helmholtz function [J/kg]. More...

double	g ()
	Gibbs function [J/kg]. More...

virtual double	cv ()
	Specific heat at constant volume [J/kg/K]. More...

virtual double	cp ()
	Specific heat at constant pressure [J/kg/K]. More...

virtual double	thermalExpansionCoeff ()

virtual double	isothermalCompressibility ()

double	Ps ()

virtual double	dPsdT ()
	The derivative of the saturation pressure with respect to temperature. More...

double	Tsat (double p)
	Saturation temperature at pressure p. More...

double	x ()
	Vapor mass fraction. More...

int	TwoPhase (bool strict=false)
	Returns 1 if the current state is a liquid/vapor mixture, 0 otherwise. More...

Protected Member Functions
double	ldens () override
	Liquid density. Equation D3 from Reynolds TPSI. More...

Protected Member Functions inherited from Substance
virtual int	ideal ()

double	vp ()

int	Lever (int itp, double sat, double val, propertyFlag::type ifunc)
	Uses the lever rule to set state in the dome. More...

void	update_sat ()
	Update saturated liquid and vapor densities and saturation pressure. More...

Private Member Functions
double	C (int i, double rt, double rt2)

double	Cprime (int i, double rt, double rt2, double rt3)

double	I (int i, double egrho)

double	H (int i, double egrho)

double	W (int i, double egrho)

Additional Inherited Members
Protected Attributes inherited from Substance
double	T = Undef

double	Rho = Undef

double	Tslast = Undef

double	Rhf = Undef

double	Rhv = Undef

double	Pst = Undef

double	m_energy_offset = 0.0

double	m_entropy_offset = 0.0

std::string	m_name

std::string	m_formula

Member Function Documentation

◆ MolWt()

double MolWt ( )

overridevirtual

Molecular weight [kg/kmol].

Implements Substance.

Definition at line 239 of file Methane.cpp.

◆ Tcrit()

double Tcrit ( )

overridevirtual

Critical temperature [K].

Implements Substance.

Definition at line 219 of file Methane.cpp.

◆ Pcrit()

double Pcrit ( )

overridevirtual

Critical pressure [Pa].

Implements Substance.

Definition at line 223 of file Methane.cpp.

◆ Vcrit()

double Vcrit ( )

overridevirtual

Critical specific volume [m^3/kg].

Implements Substance.

Definition at line 227 of file Methane.cpp.

◆ Tmin()

double Tmin ( )

overridevirtual

Minimum temperature for which the equation of state is valid.

Implements Substance.

Definition at line 231 of file Methane.cpp.

◆ Tmax()

double Tmax ( )

overridevirtual

Maximum temperature for which the equation of state is valid.

Implements Substance.

Definition at line 235 of file Methane.cpp.

◆ up()

double up ( )

overridevirtual

Internal energy of a single-phase state.

Implements Substance.

Definition at line 140 of file Methane.cpp.

◆ sp()

double sp ( )

overridevirtual

Entropy of a single-phase state.

Implements Substance.

Definition at line 157 of file Methane.cpp.

◆ Psat()

double Psat ( )

overridevirtual

Saturation pressure. Equation S3 from Reynolds TPSI.

Implements Substance.

Definition at line 188 of file Methane.cpp.

◆ ldens()

double ldens ( )

overrideprotectedvirtual

Liquid density. Equation D3 from Reynolds TPSI.

Implements Substance.

Definition at line 201 of file Methane.cpp.

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

Detailed Description

Public Member Functions

Protected Member Functions

Private Member Functions

Additional Inherited Members

Member Function Documentation

◆ MolWt()

◆ Tcrit()

◆ Pcrit()

◆ Vcrit()

◆ Tmin()

◆ Tmax()

◆ up()

◆ sp()

◆ Psat()

◆ ldens()