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WOLFRAM SYSTEM MODELER

PartialPureSubstance

Base class for pure substances of one chemical substance

Package Contents

	setState_pT Return thermodynamic state from p and T
	setState_ph Return thermodynamic state from p and h
	setState_ps Return thermodynamic state from p and s
	setState_dT Return thermodynamic state from d and T
	density_ph Return density from p and h
	temperature_ph Return temperature from p and h
	pressure_dT Return pressure from d and T
	specificEnthalpy_dT Return specific enthalpy from d and T
	specificEnthalpy_ps Return specific enthalpy from p and s
	temperature_ps Return temperature from p and s
	density_ps Return density from p and s
	specificEnthalpy_pT Return specific enthalpy from p and T
	density_pT Return density from p and T
	BaseProperties

Package Constants (20)

ThermoStates	Value: Type: IndependentVariables Description: Enumeration type for independent variables
mediumName	Value: "unusablePartialMedium" Type: String Description: Name of the medium
substanceNames	Value: {mediumName} Type: String[:] Description: Names of the mixture substances. Set substanceNames={mediumName} if only one substance.
extraPropertiesNames	Value: fill("", 0) Type: String[:] Description: Names of the additional (extra) transported properties. Set extraPropertiesNames=fill("",0) if unused
singleState	Value: Type: Boolean Description: = true, if u and d are not a function of pressure
reducedX	Value: true Type: Boolean Description: = true if medium contains the equation sum(X) = 1.0; set reducedX=true if only one substance (see docu for details)
fixedX	Value: true Type: Boolean Description: = true if medium contains the equation X = reference_X
reference_p	Value: 101325 Type: AbsolutePressure (Pa) Description: Reference pressure of Medium: default 1 atmosphere
reference_T	Value: 298.15 Type: Temperature (K) Description: Reference temperature of Medium: default 25 deg Celsius
reference_X	Value: fill(1 / nX, nX) Type: MassFraction[nX] (kg/kg) Description: Default mass fractions of medium
p_default	Value: 101325 Type: AbsolutePressure (Pa) Description: Default value for pressure of medium (for initialization)
T_default	Value: Modelica.Units.Conversions.from_degC(20) Type: Temperature (K) Description: Default value for temperature of medium (for initialization)
h_default	Value: specificEnthalpy_pTX(p_default, T_default, X_default) Type: SpecificEnthalpy (J/kg) Description: Default value for specific enthalpy of medium (for initialization)
X_default	Value: reference_X Type: MassFraction[nX] (kg/kg) Description: Default value for mass fractions of medium (for initialization)
C_default	Value: fill(0, nC) Type: ExtraProperty[nC] Description: Default value for trace substances of medium (for initialization)
nS	Value: size(substanceNames, 1) Type: Integer Description: Number of substances
nX	Value: nS Type: Integer Description: Number of mass fractions
nXi	Value: if fixedX then 0 else if reducedX then nS - 1 else nS Type: Integer Description: Number of structurally independent mass fractions (see docu for details)
nC	Value: size(extraPropertiesNames, 1) Type: Integer Description: Number of extra (outside of standard mass-balance) transported properties
C_nominal	Value: 1.0e-6 * ones(nC) Type: Real[nC] Description: Default for the nominal values for the extra properties

Wolfram Language

In[1]:=

SystemModel["Modelica.Media.Interfaces.PartialPureSubstance"]

Out[1]:=

Extended by (6)

	SingleGasNasa Modelica.Media.IdealGases.Common Medium model of an ideal gas based on NASA source
	Air_Base Modelica.Media.Air.ReferenceAir Properties of dry air calculated using the equation of state by Lemmon et. al.
	PartialSimpleIdealGasMedium Modelica.Media.Interfaces Medium model of Ideal gas with constant cp and cv. All other quantities, e.g., transport properties, are constant.
	PartialSimpleMedium Modelica.Media.Interfaces Medium model with linear dependency of u, h from temperature. All other quantities, especially density, are constant.
	PartialTwoPhaseMedium Modelica.Media.Interfaces Base class for two phase medium of one substance
	PartialLinearFluid Modelica.Media.Interfaces Generic pure liquid model with constant cp, compressibility and thermal expansion coefficients