packageWaterIF97_pT

Water using the IF97 standard, explicit in p and T

Extends from WaterIF97_base (Water: Steam properties as defined by IAPWS/IF97 standard).

Parameters

TypeNameDefaultDescription
ThermofluidStream.Media.myMedia.Interfaces.Choices.IndependentVariablesThermoStates (from PartialMedium)Enumeration type for independent variables
StringmediumName (from PartialMedium)"unusablePartialMedium"Name of the medium
String[:]substanceNames (from PartialMedium){mediumName}Names of the mixture substances. Set substanceNames={mediumName} if only one substance.
String[:]extraPropertiesNames (from PartialMedium)fill("", 0)Names of the additional (extra) transported properties. Set extraPropertiesNames=fill("",0) if unused
BooleansingleState (from PartialMedium)= true, if u and d are not a function of pressure
BooleanreducedX (from PartialMedium)true= true, if medium contains the equation sum(X) = 1.0; set reducedX=true if only one substance (see docu for details)
BooleanfixedX (from PartialMedium)false= true, if medium contains the equation X = reference_X
AbsolutePressurereference_p (from PartialMedium)101325Reference pressure of Medium: default 1 atmosphere
Temperaturereference_T (from PartialMedium)298.15Reference temperature of Medium: default 25 deg Celsius
MassFraction[nX]reference_X (from PartialMedium)fill(1/nX, nX)Default mass fractions of medium
AbsolutePressurep_default (from PartialMedium)101325Default value for pressure of medium (for initialization)
TemperatureT_default (from PartialMedium)Modelica.Units.Conversions.from_degC(20)Default value for temperature of medium (for initialization)
SpecificEnthalpyh_default (from PartialMedium)specificEnthalpy_pTX(p_default, T_default, X_default)Default value for specific enthalpy of medium (for initialization)
MassFraction[nX]X_default (from PartialMedium)reference_XDefault value for mass fractions of medium (for initialization)
ExtraProperty[nC]C_default (from PartialMedium)fill(0, nC)Default value for trace substances of medium (for initialization)
IntegernS (from PartialMedium)size(substanceNames, 1)Number of substances
IntegernX (from PartialMedium)nSNumber of mass fractions
IntegernXi (from PartialMedium)if fixedX then 0 else if reducedX then nS - 1 else nSNumber of structurally independent mass fractions (see docu for details)
IntegernC (from PartialMedium)size(extraPropertiesNames, 1)Number of extra (outside of standard mass-balance) transported properties
Real[nC]C_nominal (from PartialMedium)1.0e-6*ones(nC)Default for the nominal values for the extra properties
BooleansmoothModel (from PartialTwoPhaseMedium)falseTrue if the (derived) model should not generate state events
BooleanonePhase (from PartialTwoPhaseMedium)falseTrue if the (derived) model should never be called with two-phase inputs
FluidConstantsfluidConstants (from PartialTwoPhaseMedium)Constant data for the fluid
IntegerRegion (from WaterIF97_base)0Region of IF97, if known, zero otherwise
Booleanph_explicit (from WaterIF97_base)True if explicit in pressure and specific enthalpy
BooleandT_explicit (from WaterIF97_base)True if explicit in density and temperature
BooleanpT_explicit (from WaterIF97_base)True if explicit in pressure and temperature