SteamCalculator Class Reference

#include <steamcalculator.h>

Inheritance diagram for SteamCalculator:

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Collaboration diagram for SteamCalculator:

[legend]

List of all members.

Public Member Functions
	SteamCalculator ()
	Constructor.
	SteamCalculator (const SteamCalculator &original)
	Copy constructor.
SteamCalculator const &	operator= (SteamCalculator const &original)
	Assignment operator (assigns a copy).
virtual	~SteamCalculator ()
	Destructor.
void	set_pT (const Pressure &p, const Temperature &T, double x=1.0)
	Set the steam conditions by pressure, temperature and optionally quality.
template<class F, class S>
void	set (const F &f, const S &s)
void	setSatSteam_p (const Pressure &p)
	Set state to be saturated steam at a specified pressure.
void	setSatWater_p (const Pressure &p)
	Set state to be saturated water at a specified pressure.
void	setSatWater_T (const Temperature &T)
	Set state to be saturated water at a specified temperature.
void	setSatSteam_T (const Temperature &T)
	Set state to be saturated steam at a specified temperature.
void	setB23_T (const Temperature &T)
	Set properties on B23 curve given temperature.
void	setB23_p (const Pressure &p)
	Set properties on B23 curve given pressure.
void	setRegion1_pT (const Pressure &p, const Temperature &T)
void	setRegion2_pT (const Pressure &p, const Temperature &T)
void	setRegion4_Tx (const Temperature &T, const Num &x)
void	setRegion3_rhoT (const Density &rho, const Temperature &T)
	Direct setting of rho,T for Region 3.
bool	isSet (void) const
	Has the state of the SteamCalculator been initialised?
int	whichRegion (void) const
	Get the region for the present SteamCalculator (1 to 4, according to IAPWS).
const SteamCalculator &	getGasPart () const
const SteamCalculator &	getLiquidPart () const
SteamStateCode	whichState (void)
	Get the state for the present SteamCalculator.
const char *	whichStateStr (void)
	Get a string version of steam state.
Temperature	temp () const
	Temperature.
Pressure	pres () const
	Pressure.
Density	dens () const
	Density, eg kg/m³.
SpecificVolume	specvol () const
	Specific volume, eg m³/kg.
SpecificEnergy	specienergy () const
	Specific internal energy, eg kJ/kg.
SpecificEntropy	specentropy () const
	Specific entropy, eg kJ/kg.
SpecificEnergy	specenthalpy () const
	Specific enthalpy, eg kJ/kg.
SpecHeatCap	speccp () const
	Specific isobaric hear capacity, eg kJ/kgK.
SpecHeatCap	speccv () const
	Specific isochoric heat capacity, eg kJ/kgK.
Num	quality () const
	Steam quality (if saturated).
DynamicViscosity	dynvisc () const
	Dynamic viscosity, mu, [µPa.s].
ThermalConductivity	conductivity () const
	Conductivity [mW/m.K].
SurfaceTension	surftens () const
virtual bool	isValid (void) const
	Used for design-by-contract IS_VALID tests:.
virtual void	copy (const SteamCalculator &original)
	Copy operation, virtual.
template<>
void	set (const Pressure &p, const Temperature &T)
template<>
void	set (const Temperature &T, const Pressure &p)
Protected Member Functions
Num	tau_iaps85 () const
	Reduced temperature for IAPWS conductivity calculation.
Num	del_iaps85 () const
	Reduced density for IAPWS conductivity calculation.
Num	pi_iaps85 () const
	Reduced pressure for IAPWS conductivity calculation.
Num	delpi_iaps85 () const
Num	pitau_iaps85 () const
Num	lam (const Num &Tbar, const Num &rhobar) const
	Reduced thermal conductivity.
Num	lam0 (const Num &Tbar) const
	Ideal-gas limit for thermal conductivity, lamda_0.
Num	lam1 (const Num &rhobar) const
	Density adjustment for thermal conductivity.
Num	lam2 (const Num &Tbar, const Num &rhobar) const
	Used in the calculation of reduced thermal conductivity.
Num	mu () const
Num	mu0 () const
Num	mu1 () const
Num	mu2 () const
Pressure	getRegion3PressureError (const Density &test_rho)
Protected Attributes
Temperature	T
	Temperature K.
Pressure	p
	Pressure MPa.
Density	rho
	Density, used by Region 3 only.
Num	x
	Quality, used by Region 4.
Num	tau
	Internal variable in IAPWS calcs.
Num	pi
	Internal variable in IAPWS calcs.
Num	del
	Internal variable in IAPWS calcs.
Pressure	reg3_target_pressure
	Internal variable used in root-finding in region 3.
Friends
class	SteamState
class	Region1
class	Region2
class	Region3
class	Region4
class	ZeroIn< SteamCalculator, Pressure, Density >

---

Detailed Description

Examples:

/home/john/freesteam/solver.h, and /home/john/freesteam/steamcalculator.h.

---

Constructor & Destructor Documentation

SteamCalculator::SteamCalculator

(

)

Constructor.

References Kelvin, MPa, p, T, and x.

Referenced by copy(), and setRegion4_Tx().

SteamCalculator::SteamCalculator

(

const SteamCalculator &

original

)

Copy constructor.

This function creates a new uninititalised SteamCalculator, or else clones an existing one.

References copy().

SteamCalculator::~SteamCalculator

(

)

[virtual]

Destructor.

---

Member Function Documentation

SteamCalculator const & SteamCalculator::operator=

(

SteamCalculator const &

original

)

Assignment operator (assigns a copy).

Assignment operator.

References copy().

void SteamCalculator::set_pT	(	const Pressure &	p,
		const Temperature &	T,
		double	x = 1.0
	)

Set the steam conditions by pressure, temperature and optionally quality.

Parameters:

	p	pressure
	T	temperature
	x	quality (only if saturated)

Examples:

/home/john/freesteam/steamcalculator.h.

References ASSERT, ENSURE, Boundaries::getpbound_T(), SteamState::getRegion(), Boundaries::getSatDensSteam_T(), Boundaries::getSatPres_T(), Region3::Instance(), Region4::Instance(), Region2::Instance(), Region1::Instance(), P_MAX, P_MIN, pres(), REQUIRE, SteamState::set_pT(), setRegion3_rhoT(), T_CRIT, T_MAX, T_MIN, TB_LOW, and whichRegion().

Referenced by freesteam_region_ph(), Region3::set_pT(), B13Curve< Ordinate, Pressure, OrdinateAlt, 0 >::solve(), Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::solveRegion3(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

template<class F, class S>

void SteamCalculator::set	(	const F &	f,
		const S &	s
	)			[inline]

void SteamCalculator::setSatSteam_p

(

const Pressure &

p

)

Set state to be saturated steam at a specified pressure.

References ENSURE, EPS_T_CRIT, Boundaries::getSatTemp_p(), Region2::Instance(), P_CRIT, REG4_P_MIN, REQUIRE, SteamState::set_pT(), T, T_CRIT, and T_MIN.

void SteamCalculator::setSatWater_p

(

const Pressure &

p

)

Set state to be saturated water at a specified pressure.

References ASSERT, EPS_T_CRIT, Boundaries::getSatTemp_p(), Region1::Instance(), Region3::Instance(), P_CRIT, PB_LOW, REG4_P_MIN, REQUIRE, SteamState::set_pT(), T, T_CRIT, and T_MIN.

void SteamCalculator::setSatWater_T

(

const Temperature &

T

)

Set state to be saturated water at a specified temperature.

References Boundaries::getSatDensWater_T(), Boundaries::getSatPres_T(), Region1::Instance(), REQUIRE, SteamState::set_pT(), setRegion3_rhoT(), T_CRIT, T_TRIPLE, and TB_LOW.

Referenced by freesteam_region_ph(), Region4::set_pT(), setRegion4_Tx(), SatCurve< Ordinate, Temperature, OrdinateAlt, 0 >::solve(), SatCurve< Ordinate, Abscissa, OrdinateAlt, AbscissaAlt >::solve(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

void SteamCalculator::setSatSteam_T

(

const Temperature &

T

)

Set state to be saturated steam at a specified temperature.

References Boundaries::getSatDensSteam_T(), Boundaries::getSatPres_T(), Region2::Instance(), p, REQUIRE, SteamState::set_pT(), setRegion3_rhoT(), T_CRIT, T_TRIPLE, and TB_LOW.

Referenced by Region4::set_pT(), setRegion4_Tx(), SatCurve< Ordinate, Temperature, OrdinateAlt, 0 >::solve(), SatCurve< Ordinate, Abscissa, OrdinateAlt, AbscissaAlt >::solve(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

void SteamCalculator::setB23_T

(

const Temperature &

T

)

Set properties on B23 curve given temperature.

References ASSERT, ENSURE, Boundaries::getpbound_T(), Region2::Instance(), MPa, p, PB_LOW, REQUIRE, SteamState::set_pT(), T_MAX, T_MIN, TB_HIGH, and whichRegion().

Referenced by B23Curve< Ordinate, Temperature, OrdinateAlternative, 0 >::solve(), B23Curve< Ordinate, Abscissa, OrdinateAlternative, AbscissaAlternative >::solve(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

void SteamCalculator::setB23_p

(

const Pressure &

p

)

Set properties on B23 curve given pressure.

References ASSERT, ENSURE, Boundaries::getTbound_p(), Region2::Instance(), P_MAX, PB_LOW, REQUIRE, SteamState::set_pT(), T, TB_HIGH, TB_LOW, and whichRegion().

void SteamCalculator::setRegion1_pT	(	const Pressure &	p,
		const Temperature &	T
	)

References ASSERT, Region1::Instance(), Boundaries::isRegion1_pT(), and SteamState::set_pT().

Referenced by Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::makeRegion1Guess().

void SteamCalculator::setRegion2_pT	(	const Pressure &	p,
		const Temperature &	T
	)

References ASSERT, Region2::Instance(), Boundaries::isRegion2_pT(), and SteamState::set_pT().

Referenced by Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::makeRegion2Guess().

void SteamCalculator::setRegion4_Tx	(	const Temperature &	T,
		const Num &	x
	)

References ASSERT, Region4::Instance(), Boundaries::isSat_Tx(), setSatSteam_T(), setSatWater_T(), SteamCalculator(), T_CRIT, and T_TRIPLE.

void SteamCalculator::setRegion3_rhoT	(	const Density &	rho,
		const Temperature &	T
	)

Direct setting of rho,T for Region 3.

Todo:

Ensure rho, T are valid for region 3

References del, ENSURE, Region3::Instance(), isnan(), REG3_DENS_REF, REG3_TEMP_REF, REQUIRE, RHO_CRIT, T_CRIT, tau, whichRegion(), and x.

Referenced by freesteam_region_ph(), set_pT(), setSatSteam_T(), setSatWater_T(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

bool SteamCalculator::isSet

(

void

)

const

Has the state of the SteamCalculator been initialised?

Referenced by isValid(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::solve().

int SteamCalculator::whichRegion

(

void

)

const

Get the region for the present SteamCalculator (1 to 4, according to IAPWS).

References SteamState::getRegion().

Referenced by copy(), getGasPart(), getLiquidPart(), getRegion3PressureError(), set_pT(), Region4::set_pT(), Region3::set_pT(), Region2::set_pT(), Region1::set_pT(), setB23_p(), setB23_T(), setRegion3_rhoT(), Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::solve(), Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion(), and whichState().

const SteamCalculator & SteamCalculator::getGasPart

(

)

const

References ASSERT, IS_VALID, and whichRegion().

const SteamCalculator & SteamCalculator::getLiquidPart

(

)

const

References ASSERT, IS_VALID, and whichRegion().

SteamStateCode SteamCalculator::whichState

(

void

)

Get the state for the present SteamCalculator.

References dens(), Boundaries::getpbound_T(), Boundaries::getSatDensSteam_T(), Boundaries::getSatDensWater_T(), Boundaries::getSatPres_T(), pres(), STEAM_SATURATED, STEAM_SUBCOOLED, STEAM_SUPERCRITICAL, STEAM_SUPERHEATED, T, T_CRIT, TB_LOW, temp(), and whichRegion().

Referenced by whichStateStr().

const char * SteamCalculator::whichStateStr

(

void

)

Get a string version of steam state.

References STEAM_SATURATED, STEAM_SUBCOOLED, STEAM_SUPERCRITICAL, STEAM_SUPERHEATED, T_CRIT, temp(), whichState(), and x.

Temperature SteamCalculator::temp

(

void

)

const

Temperature.

Returns the absolute temperature at the state set.

References REQUIRE, and SteamState::temp().

Referenced by SteamProperty< Property, PropertyAlternative >::get(), isValid(), surftens(), whichState(), and whichStateStr().

Pressure SteamCalculator::pres

(

void

)

const

Pressure.

Returns the pressure at the state set.

Examples:

/home/john/freesteam/solver.h.

References SteamState::pres(), and REQUIRE.

Referenced by freesteam_region_ph(), SteamProperty< Property, PropertyAlternative >::get(), isValid(), Region4::pres(), set_pT(), Region4::set_pT(), Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion(), and whichState().

Density SteamCalculator::dens

(

void

)

const

Density, eg kg/m³.

References SteamState::dens(), ENSURE, isnan(), REQUIRE, and rho.

Referenced by conductivity(), del_iaps85(), Region4::dens(), SteamProperty< Property, PropertyAlternative >::get(), Region3::set_pT(), and whichState().

SpecificVolume SteamCalculator::specvol

(

void

)

const

Specific volume, eg m³/kg.

References REQUIRE, and SteamState::specvol().

Referenced by SteamProperty< Property, PropertyAlternative >::get(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

SpecificEnergy SteamCalculator::specienergy

(

void

)

const

Specific internal energy, eg kJ/kg.

References REQUIRE, and SteamState::specienergy().

Referenced by SteamProperty< Property, PropertyAlternative >::get(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

SpecificEntropy SteamCalculator::specentropy

(

void

)

const

Specific entropy, eg kJ/kg.

References REQUIRE, and SteamState::specentropy().

Referenced by SteamProperty< Property, PropertyAlternative >::get(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

SpecificEnergy SteamCalculator::specenthalpy

(

void

)

const

Specific enthalpy, eg kJ/kg.

Examples:

/home/john/freesteam/steamcalculator.h.

References REQUIRE, and SteamState::specenthalpy().

Referenced by freesteam_region_ph(), SteamProperty< Property, PropertyAlternative >::get(), and Solver2< FirstProp, SecondProp, FirstPropAlt, SecondPropAlt >::whichRegion().

SpecHeatCap SteamCalculator::speccp

(

void

)

const

Specific isobaric hear capacity, eg kJ/kgK.

References REQUIRE, and SteamState::speccp().

Referenced by SteamProperty< Property, PropertyAlternative >::get().

SpecHeatCap SteamCalculator::speccv

(

void

)

const

Specific isochoric heat capacity, eg kJ/kgK.

References REQUIRE, and SteamState::speccv().

Referenced by SteamProperty< Property, PropertyAlternative >::get().

Num SteamCalculator::quality

(

void

)

const

Steam quality (if saturated).

If saturated, returns the steam quality. If not saturated, returns 0.0 for region 1, 1.0 for region2, and for region 3, indeterminate, could be anything.

Todo:

Check this, make sure only legal values are possible in region 3. There is a bit of confusion in the code about 'region 4 inside region 3'.

References REQUIRE, and x.

Referenced by SteamProperty< Property, PropertyAlternative >::get().

DynamicViscosity SteamCalculator::dynvisc

(

)

const

Dynamic viscosity, mu, [µPa.s].

Returns the dynamic viscosity of water/steam. Assumes this->T in deg K.

Range of validity is entire regions 1,2,3,4

Reference: J Phys Chem Ref Data, vol 13, no 1, 1984, p. 175 ff.

Returns:

Dynamic viscosity [µPa.s]

See also:

http://www.iapws.org/relguide/visc.pdf

http://www.iapws.org/relguide/IF97.pdf

References IAPS85_VISC_REF, mu(), and REQUIRE.

ThermalConductivity SteamCalculator::conductivity

(

)

const

Conductivity [mW/m.K].

Returns the thermal conductivity of water/steam.

See also:

http://www.iapws.org/relguide/thcond.pdf

J Phys Chem Ref Data, vol 13, no 1, 1984, p. 175 ff.

Range of validity is entire regions 1,2,3,4.

Returns:

Thermal conductivity [W/m.K]

References dens(), ENSURE, isnan(), lam(), REQUIRE, and T.

SurfaceTension SteamCalculator::surftens

(

)

const

Calculate the surface tension (sample units are N/m).

Since:

0.7

References REQUIRE, surfaceTension(), T_CRIT, and temp().

bool SteamCalculator::isValid

(

void

)

const [virtual]

Used for design-by-contract IS_VALID tests:.

Reimplemented from DesignByContract.

References isSet(), Boundaries::isValid_pT(), pres(), and temp().

void SteamCalculator::copy

(

const SteamCalculator &

original

)

[virtual]

Copy operation, virtual.

Copy function.

References _state, del, gas, isset, liq, p, pi, rho, SteamCalculator(), T, tau, whichRegion(), and x.

Referenced by operator=(), and SteamCalculator().

Num SteamCalculator::tau_iaps85

(

)

const [protected]

Reduced temperature for IAPWS conductivity calculation.

Reference: IAPWS Revised Release on the IAPS Formulation 1985 for the Thermal Conductivity of Ordinary Water Substance, 1998, IAPWS.

See also:

http://www.iapws.org/relguide/thcond.pdf#page=8, Eq. 4

References IAPS85_TEMP_REF, and T.

Referenced by mu0(), mu1(), and mu2().

Num SteamCalculator::del_iaps85

(

)

const [protected]

Reduced density for IAPWS conductivity calculation.

Reference: IAPWS Revised Release on the IAPS Formulation 1985 for the Thermal Conductivity of Ordinary Water Substance, 1998, IAPWS.

See also:

http://www.iapws.org/relguide/thcond.pdf#page=8, Eq. 5

Density calculated with IAPWS SF95 is expected, in order to meet the reference values given

References dens(), and IAPS85_DENS_REF.

Referenced by mu1(), and mu2().

Num SteamCalculator::pi_iaps85

(

)

const [protected]

Reduced pressure for IAPWS conductivity calculation.

Reference: IAPWS Revised Release on the IAPS Formulation 1985 for the Viscosity of Ordinary Water Substance, 2003, IAPWS.

See also:

http://www.iapws.org/relguide/visc.pdf#page=7, Eq. 7

References IAPS85_PRES_REF, and p.

Num SteamCalculator::delpi_iaps85

(

void

)

const [protected]

References SteamState::delpi_iaps85().

Referenced by mu2().

Num SteamCalculator::pitau_iaps85

(

void

)

const [protected]

References ENSURE, isinf(), isnan(), SteamState::pitau_iaps85(), and REQUIRE.

Num SteamCalculator::lam	(	const Num &	Tbar,
		const Num &	rhobar
	)			const [protected]

Reduced thermal conductivity.

Returns:

lambda_0 [dim'less]

See also:

http://www.iapws.org/relguide/IF97.pdf

References ENSURE, isinf(), isnan(), lam0(), lam1(), and lam2().

Referenced by conductivity().

Num SteamCalculator::lam0

(

const Num &

Tbar

)

const [protected]

Ideal-gas limit for thermal conductivity, lamda_0.

Reference: IAPWS Revised Release on the IAPS Formulation 1985 for the Thermal Conductivity of Ordinary Water Substance, 1998, IAPWS.

See also:

http://www.iapws.org/relguide/thcond.pdf

Returns:

glambda_0 [dim'less]

References ENSURE, isinf(), isnan(), and THCON_a_COUNT.

Referenced by lam().

Num SteamCalculator::lam1

(

const Num &

rhobar

)

const [protected]

Density adjustment for thermal conductivity.

Reference: IAPWS Revised Release on the IAPS Formulation 1985 for the Thermal Conductivity of Ordinary Water Substance, 1998, IAPWS.

Returns:

lambda_0 [dim'less]

See also:

http://www.iapws.org/relguide/IF97.pdf

References ENSURE, isinf(), isnan(), sq(), THCON_b0, THCON_B1, THCON_b1, THCON_B2, and THCON_b2.

Referenced by lam().

Num SteamCalculator::lam2	(	const Num &	Tbar,
		const Num &	rhobar
	)			const [protected]

Used in the calculation of reduced thermal conductivity.

Reference: IAPWS Revised Release on the IAPS Formulation 1985 for the Thermal Conductivity of Ordinary Water Substance, 1998, IAPWS.

Also, refer Bernhard Spang's IAPWS97 Excel Add-in, visual basic source code, version * 1.3.

TODO: crossref with Sengers et al, J Phys Chem Ref Data v13 1984 pp893-933

Returns:

lambda_0 [dim'less]

See also:

http://www.iapws.org/relguide/IF97.pdf

References ENSURE, fabs(), isinf(), isnan(), pow(), THCON_C1, THCON_C2, THCON_C3, THCON_C4, THCON_C5, THCON_C6, THCON_d1, THCON_d2, THCON_d3, and THCON_d4.

Referenced by lam().

Num SteamCalculator::mu

(

)

const [protected]

See also:

http://www.iapws.org/relguide/visc.pdf

References mu0(), mu1(), and mu2().

Referenced by dynvisc().

Num SteamCalculator::mu0

(

)

const [protected]

See also:

http://www.iapws.org/relguide/visc.pdf

References pow(), IAPWS95::t, tau_iaps85(), and VISC_N0_COUNT.

Referenced by mu().

Num SteamCalculator::mu1

(

)

const [protected]

See also:

http://www.iapws.org/relguide/visc.pdf

References IAPWS95::d, del_iaps85(), pow(), tau_iaps85(), VISC_COUNT, and VISC_N.

Referenced by mu().

Num SteamCalculator::mu2

(

)

const [protected]

See also:

http://www.iapws.org/relguide/visc.pdf

References del_iaps85(), delpi_iaps85(), pow(), and tau_iaps85().

Referenced by mu().

Pressure SteamCalculator::getRegion3PressureError

(

const Density &

test_rho

)

[protected]

References ASSERT, del, ENSURE, MPa, p, P_MAX, Pascal, SteamState::pres(), REG3_DENS_REF, reg3_target_pressure, REG3_ZEROIN_DENS_MAX, and whichRegion().

Referenced by Region3::set_pT().

template<>

void SteamCalculator::set	(	const Pressure &	p,
		const Temperature &	T
	)			[inline]

template<>

void SteamCalculator::set	(	const Temperature &	T,
		const Pressure &	p
	)			[inline]

---

Friends And Related Function Documentation

friend class SteamState [friend]

friend class Region1 [friend]

friend class Region2 [friend]

friend class Region3 [friend]

friend class Region4 [friend]

Referenced by Region4::Instance().

friend class ZeroIn< SteamCalculator, Pressure, Density > [friend]

---

Member Data Documentation

Temperature SteamCalculator::T [protected]

Temperature K.

Referenced by conductivity(), copy(), freesteam_region_ph(), Region3::pres(), Region4::set_pT(), Region3::set_pT(), Region2::set_pT(), Region1::set_pT(), setB23_p(), setSatSteam_p(), setSatWater_p(), Region3::specenthalpy(), Region2::specenthalpy(), Region1::specenthalpy(), Region3::specienergy(), Region2::specienergy(), Region1::specienergy(), Region2::specvol(), Region1::specvol(), SteamCalculator(), tau_iaps85(), Region4::temp(), Region3::temp(), Region2::temp(), Region1::temp(), and whichState().

Pressure SteamCalculator::p [protected]

Pressure MPa.

Referenced by copy(), getRegion3PressureError(), pi_iaps85(), Region2::pres(), Region1::pres(), Region4::set_pT(), Region2::set_pT(), Region1::set_pT(), setB23_T(), setSatSteam_T(), Region2::specvol(), Region1::specvol(), and SteamCalculator().

Density SteamCalculator::rho [protected]

Density, used by Region 3 only.

Referenced by copy(), dens(), Region3::dens(), Region3::pres(), and Region3::specvol().

Num SteamCalculator::x [protected]

Quality, used by Region 4.

Referenced by copy(), Region4::dens(), quality(), Region4::set_pT(), Region3::set_pT(), Region2::set_pT(), Region1::set_pT(), setRegion3_rhoT(), SteamCalculator(), and whichStateStr().

Num SteamCalculator::tau [protected]

Internal variable in IAPWS calcs.

Referenced by copy(), Region3::set_pT(), Region2::set_pT(), Region1::set_pT(), setRegion3_rhoT(), Region3::speccp(), Region2::speccp(), Region1::speccp(), Region3::speccv(), Region2::speccv(), Region1::speccv(), Region3::specenthalpy(), Region2::specenthalpy(), Region1::specenthalpy(), Region3::specentropy(), Region2::specentropy(), Region1::specentropy(), Region3::specienergy(), Region2::specienergy(), and Region1::specienergy().

Num SteamCalculator::pi [protected]

Internal variable in IAPWS calcs.

Referenced by copy(), Region2::set_pT(), Region1::set_pT(), Region2::specienergy(), Region1::specienergy(), Region2::specvol(), and Region1::specvol().

Num SteamCalculator::del [protected]

Internal variable in IAPWS calcs.

Referenced by copy(), getRegion3PressureError(), Region3::pres(), setRegion3_rhoT(), Region3::speccp(), and Region3::specenthalpy().

Pressure SteamCalculator::reg3_target_pressure [protected]

Internal variable used in root-finding in region 3.

Referenced by getRegion3PressureError(), and Region3::set_pT().

---

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

• steamcalculator.h
• steamcalculator.cpp