Pure species representation of nitrogen. More...

#include <Nitrogen.h>

Inheritance diagram for nitrogen:

Detailed Description

Pure species representation of nitrogen.

Values and functions are from Reynolds [35].

Definition at line 16 of file Nitrogen.h.

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

double	Tcrit () override
	Critical temperature [K].

double	Pcrit () override
	Critical pressure [Pa].

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

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

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

double	Pp () override

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

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

double	Psat () override
	Saturation pressure. Equation S4 from Reynolds TPSI.

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

virtual double	Pp ()=0

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

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

double	prop (propertyFlag::type ijob)

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

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.

const char *	name ()
	Name of the substance.

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

double	P ()
	Pressure [Pa].

double	Temp ()
	Temperature [K].

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

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

double	h ()
	Enthalpy [J/kg].

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

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

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

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

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

virtual double	thermalExpansionCoeff ()

virtual double	isothermalCompressibility ()

double	Ps ()

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

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

double	x ()
	Vapor mass fraction.

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

Protected Member Functions
double	ldens () override
	Liquid density. Equation D2 from Reynolds TPSI.

Protected Member Functions inherited from Substance
virtual double	ldens ()=0

virtual double	Psat ()=0
	Saturation pressure, Pa.

virtual double	up ()=0
	Internal energy of a single-phase state.

virtual double	sp ()=0
	Entropy of a single-phase state.

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.

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

Private Member Functions
double	C (int i, double rt, double rt2)
	Equation P4 from Reynolds TPSI.

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

Constructor & Destructor Documentation

◆ nitrogen()

nitrogen ( )

inline

Definition at line 19 of file Nitrogen.h.

Member Function Documentation

◆ MolWt()

double MolWt ( )

overridevirtual

Molecular weight [kg/kmol].

Implements Substance.

Definition at line 251 of file Nitrogen.cpp.

◆ Tcrit()

double Tcrit ( )

overridevirtual

Critical temperature [K].

Implements Substance.

Definition at line 231 of file Nitrogen.cpp.

◆ Pcrit()

double Pcrit ( )

overridevirtual

Critical pressure [Pa].

Implements Substance.

Definition at line 235 of file Nitrogen.cpp.

◆ Vcrit()

double Vcrit ( )

overridevirtual

Critical specific volume [m^3/kg].

Implements Substance.

Definition at line 239 of file Nitrogen.cpp.

◆ Tmin()

double Tmin ( )

overridevirtual

Minimum temperature for which the equation of state is valid.

Implements Substance.

Definition at line 243 of file Nitrogen.cpp.

◆ Tmax()

double Tmax ( )

overridevirtual

Maximum temperature for which the equation of state is valid.

Implements Substance.

Definition at line 247 of file Nitrogen.cpp.

◆ Pp()

double Pp ( )

overridevirtual

Implements Substance.

Definition at line 186 of file Nitrogen.cpp.

◆ up()

double up ( )

overridevirtual

Internal energy of a single-phase state.

Implements Substance.

Definition at line 148 of file Nitrogen.cpp.

◆ sp()

double sp ( )

overridevirtual

Entropy of a single-phase state.

Implements Substance.

Definition at line 167 of file Nitrogen.cpp.

◆ Psat()

double Psat ( )

overridevirtual

Saturation pressure. Equation S4 from Reynolds TPSI.

Implements Substance.

Definition at line 199 of file Nitrogen.cpp.

◆ ldens()

double ldens ( )

overrideprotectedvirtual

Liquid density. Equation D2 from Reynolds TPSI.

Implements Substance.

Definition at line 218 of file Nitrogen.cpp.

◆ C()

double C	(	int	i,
		double	rt,
		double	rt2
	)

private

Equation P4 from Reynolds TPSI.

Definition at line 59 of file Nitrogen.cpp.

◆ Cprime()

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

private

Definition at line 96 of file Nitrogen.cpp.

◆ I()

double I	(	int	i,
		double	egrho
	)

private

Definition at line 143 of file Nitrogen.cpp.

◆ H()

double H	(	int	i,
		double	egrho
	)

private

Definition at line 138 of file Nitrogen.cpp.

◆ W()

double W	(	int	i,
		double	egrho
	)

private

Definition at line 132 of file Nitrogen.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

Constructor & Destructor Documentation

◆ nitrogen()

Member Function Documentation

◆ MolWt()

◆ Tcrit()

◆ Pcrit()

◆ Vcrit()

◆ Tmin()

◆ Tmax()

◆ Pp()

◆ up()

◆ sp()

◆ Psat()

◆ ldens()

◆ C()

◆ Cprime()

◆ I()

◆ H()

◆ W()