packageLinearColdWater

Cold water model with linear compressibility

Extends from Media.Interfaces.PartialLinearFluid (Generic pure liquid model with constant cp, compressibility and thermal expansion coefficients).

Parameters

TypeNameDefaultDescription
Modelica.Media.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
SpecificHeatCapacitycp_const (from PartialLinearFluid)Specific heat capacity at constant pressure
IsobaricExpansionCoefficientbeta_const (from PartialLinearFluid)Thermal expansion coefficient at constant pressure
SI.IsothermalCompressibilitykappa_const (from PartialLinearFluid)Isothermal compressibility
MolarMassMM_const (from PartialLinearFluid)Molar mass
Densityreference_d (from PartialLinearFluid)Density in reference conditions
SpecificEnthalpyreference_h (from PartialLinearFluid)Specific enthalpy in reference conditions
SpecificEntropyreference_s (from PartialLinearFluid)Specific entropy in reference conditions
BooleanconstantJacobian (from PartialLinearFluid)If true, entries in thermodynamic Jacobian are constant, taken at reference conditions

Contents

NameDescription
dynamicViscosityDynamic viscosity of water
thermalConductivityThermal conductivity of water