Package Modelica.Media.Common.ThermoFluidSpecial
Property records used by the ThermoFluid library

Information

Standard package icon.

Extends from Modelica.Icons.Package (Icon for standard packages).

Package Contents

Name	Description
`FixedIGProperties`	Constant properties for ideal gases
`gibbsToBoundaryProps`	Calculate phase boundary property record from dimensionless Gibbs function
`gibbsToProps_dT`	Calculate property record for density and temperature as states from dimensionless Gibbs function
`gibbsToProps_ph`	Calculate property record for pressure and specific enthalpy as states from dimensionless Gibbs function
`gibbsToProps_pT`	Calculate property record for pressure and temperature as states from dimensionless Gibbs function
`helmholtzToProps_dT`	Calculate property record for density and temperature as states from dimensionless Helmholtz function
`helmholtzToProps_ph`	Calculate property record for pressure and specific enthalpy as states from dimensionless Helmholtz function
`helmholtzToProps_pT`	Calculate property record for pressure and temperature as states from dimensionless Helmholtz function
`ThermoBaseVars`
`ThermoProperties`	Thermodynamic base property data for all state models
`ThermoProperties_dT`	Thermodynamic property data for density d and temperature T as dynamic states
`ThermoProperties_ph`	Thermodynamic property data for pressure p and specific enthalpy h as dynamic states
`ThermoProperties_pT`	Thermodynamic property data for pressure p and temperature T as dynamic states
`TransportProps`	Record with transport properties
`TwoPhaseToProps_dT`	Compute property record for density and temperature as states from saturation properties
`TwoPhaseToProps_ph`	Compute property record for pressure and specific enthalpy as states from saturation properties

Record Modelica.Media.Common.ThermoFluidSpecial.FixedIGProperties
Constant properties for ideal gases

Information

This icon is indicates a record.

Extends from Modelica.Icons.Record (Icon for records).

Fields

Type	Name	Description
parameter `Integer`	`nspecies`	Number of components
`MolarMass`	`MM[nspecies]`	Molar mass of components
`Real`	`invMM[nspecies]`	Inverse of molar mass of components
`SpecificHeatCapacity`	`R[nspecies]`	Gas constant
`SpecificEnthalpy`	`Hf[nspecies]`	Enthalpy of formation at 298.15K
`SpecificEnthalpy`	`H0[nspecies]`	H0(298.15K) - H0(0K)

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoBaseVars
Icon for records

Information

Model description

ThermoBaseVars is inherited by all medium property models and by all models defining the dynamic states for the conservation of mass and energy. Thus it is a good choice as a restricting class for any medium model or dynamic state model.

Extends from Modelica.Icons.Record (Icon for records).

Fields

Type	Name	Description
parameter `Integer`	`n`	Discretization number
parameter `Integer`	`nspecies`	Number of species
`Pressure`	`p[n]`	Pressure
`Temperature`	`T[n]`	Temperature
`Density`	`d[n]`	Density
`SpecificEnthalpy`	`h[n]`	Specific enthalpy
`SpecificEntropy`	`s[n]`	Specific entropy
`RatioOfSpecificHeatCapacities`	`kappa[n]`	Ratio of cp/cv
`Mass`	`M[n]`	Total mass
`Energy`	`U[n]`	Inner energy
`MassFlowRate`	`dM[n]`	Change in total mass
`Power`	`dU[n]`	Change in inner energy
`Volume`	`V[n]`	Volume
`MassFraction`	`mass_x[n,nspecies]`	Mass fraction
`MoleFraction`	`mole_y[n,nspecies]`	Mole fraction
`Mass`	`M_x[n,nspecies]`	Component mass
`MassFlowRate`	`dM_x[n,nspecies]`	Rate of change in component mass
`MolarFlowRate`	`dZ[n,nspecies]`	Rate of change in component moles
`MolarFlowRate`	`rZ[n,nspecies]`	Reaction(source) mole rates
`MolarMass`	`MM[n]`	Molar mass of mixture
`AmountOfSubstance`	`Moles[n]`	Total moles
`AmountOfSubstance`	`Moles_z[n,nspecies]`	Mole vector

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties
Thermodynamic base property data for all state models

Information

Model description

A base class for medium property models which work with most of the versions of dynamic states that are available in the ThermoFluid library. Currently used by all ideal gas models.

Extends from Modelica.Icons.Record (Icon for records).

Fields

Type	Name	Description
parameter `Integer`	`nspecies`	Number of species
`Temperature`	`T`	Temperature
`Density`	`d`	Density
`Pressure`	`p`	Pressure
`Volume`	`V`	Volume
`SpecificEnthalpy`	`h`	Specific enthalpy
`SpecificEnergy`	`u`	Specific inner energy
`SpecificEntropy`	`s`	Specific entropy
`SpecificGibbsFreeEnergy`	`g`	Specific Gibbs free energy
`SpecificHeatCapacity`	`cp`	Heat capacity at constant pressure
`SpecificHeatCapacity`	`cv`	Heat capacity at constant volume
`SpecificHeatCapacity`	`R`	Gas constant
`MolarMass`	`MM`	Molar mass of mixture
`MassFraction`	`mass_x[nspecies]`	Mass fraction
`MoleFraction`	`mole_y[nspecies]`	Mole fraction
`RatioOfSpecificHeatCapacities`	`kappa`	Ratio of cp/cv
`DerDensityByTemperature`	`ddTp`	Derivative of density by temperature at constant pressure
`DerDensityByPressure`	`ddpT`	Derivative of density by pressure at constant temperature
`Real`	`dupT`	Derivative of inner energy by pressure at constant T
`Real`	`dudT`	Derivative of inner energy by density at constant T
`SpecificHeatCapacity`	`duTp`	Derivative of inner energy by temperature at constant p
`SpecificEnergy`	`ddx[nspecies]`	Derivative vector of density by change in mass composition
`SpecificEnergy`	`compu[nspecies]`	Inner energy of the components
`Pressure`	`compp[nspecies]`	partial pressures of the components
`Velocity`	`a`	Speed of sound
`HeatCapacity`	`dUTZ`	Derivative of inner energy by temperature at constant moles
`MolarInternalEnergy`	`dUZT[nspecies]`	Derivative of inner energy by moles at constant temperature
`SpecificEnthalpy`	`dHMxT[nspecies]`	Derivative of total enthalpy w.r.t. component mass at constant T
`Real`	`dpT`	Derivative of pressure w.r.t. temperature
`Real`	`dpZ[nspecies]`	Derivative of pressure w.r.t. moles

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties_ph
Thermodynamic property data for pressure p and specific enthalpy h as dynamic states

Information

Model description

A base class for medium property models which use pressure and enthalpy as dynamic states. This is the preferred model for fluids that can also be in the two phase and liquid regions.

Extends from Modelica.Icons.Record (Icon for records).

Fields

Type	Name	Description
`Temperature`	`T`	Temperature
`Density`	`d`	Density
`SpecificEnergy`	`u`	Specific inner energy
`SpecificEntropy`	`s`	Specific entropy
`SpecificHeatCapacity`	`cp`	Heat capacity at constant pressure
`SpecificHeatCapacity`	`cv`	Heat capacity at constant volume
`SpecificHeatCapacity`	`R`	Gas constant
`RatioOfSpecificHeatCapacities`	`kappa`	Ratio of cp/cv
`Velocity`	`a`	Speed of sound
`DerDensityByEnthalpy`	`ddhp`	Derivative of density by enthalpy at constant pressure
`DerDensityByPressure`	`ddph`	Derivative of density by pressure at constant enthalpy
`Real`	`duph`	Derivative of inner energy by pressure at constant enthalpy
`Real`	`duhp`	Derivative of inner energy by enthalpy at constant pressure

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties_pT
Thermodynamic property data for pressure p and temperature T as dynamic states

Information

Model description

A base class for medium property models which use pressure and temperature as dynamic states. This is a reasonable model for fluids that can also be in the gas and liquid regions, but never in the two-phase region.

Extends from Modelica.Icons.Record (Icon for records).

Fields

Type	Name	Description
`Density`	`d`	Density
`SpecificEnthalpy`	`h`	Specific enthalpy
`SpecificEnergy`	`u`	Specific inner energy
`SpecificEntropy`	`s`	Specific entropy
`SpecificHeatCapacity`	`cp`	Heat capacity at constant pressure
`SpecificHeatCapacity`	`cv`	Heat capacity at constant volume
`SpecificHeatCapacity`	`R`	Gas constant
`RatioOfSpecificHeatCapacities`	`kappa`	Ratio of cp/cv
`Velocity`	`a`	Speed of sound
`DerDensityByTemperature`	`ddTp`	Derivative of density by temperature at constant pressure
`DerDensityByPressure`	`ddpT`	Derivative of density by pressure at constant temperature
`Real`	`dupT`	Derivative of inner energy by pressure at constant T
`SpecificHeatCapacity`	`duTp`	Derivative of inner energy by temperature at constant p

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties_dT
Thermodynamic property data for density d and temperature T as dynamic states

Information

Model description

A base class for medium property models which use density and temperature as dynamic states. This is a reasonable model for fluids that can be in the gas, liquid and two-phase region. The model is numerically not well suited for liquids except if the pressure is always above approx. 80% of the critical pressure.

Extends from Modelica.Icons.Record (Icon for records).

Fields

Type	Name	Description
`Pressure`	`p`	Pressure
`SpecificEnthalpy`	`h`	Specific enthalpy
`SpecificEnergy`	`u`	Specific inner energy
`SpecificEntropy`	`s`	Specific entropy
`SpecificHeatCapacity`	`cp`	Heat capacity at constant pressure
`SpecificHeatCapacity`	`cv`	Heat capacity at constant volume
`SpecificHeatCapacity`	`R`	Gas constant
`RatioOfSpecificHeatCapacities`	`kappa`	Ratio of cp/cv
`Velocity`	`a`	Speed of sound
`Real`	`dudT`	Derivative of inner energy by density at constant T

Record Modelica.Media.Common.ThermoFluidSpecial.TransportProps
Record with transport properties

Information

This icon is indicates a record.

Extends from Modelica.Icons.Record (Icon for records).

Fields

Type	Name	Description
`DynamicViscosity`	`eta`
`ThermalConductivity`	`lam`

Function Modelica.Media.Common.ThermoFluidSpecial.gibbsToProps_ph
Calculate property record for pressure and specific enthalpy as states from dimensionless Gibbs function

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`GibbsDerivs`	`g`	Dimensionless derivatives of Gibbs function

Outputs

Type	Name	Description
`ThermoProperties_ph`	`pro`	Property record for pressure and specific enthalpy as dynamic states

Function Modelica.Media.Common.ThermoFluidSpecial.gibbsToBoundaryProps
Calculate phase boundary property record from dimensionless Gibbs function

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`GibbsDerivs`	`g`	Dimensionless derivatives of Gibbs function

Outputs

Type	Name	Description
`PhaseBoundaryProperties`	`sat`	Phase boundary properties

Function Modelica.Media.Common.ThermoFluidSpecial.gibbsToProps_dT
Calculate property record for density and temperature as states from dimensionless Gibbs function

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`GibbsDerivs`	`g`	Dimensionless derivatives of Gibbs function

Outputs

Type	Name	Description
`ThermoProperties_dT`	`pro`	Property record for density and temperature as dynamic states

Function Modelica.Media.Common.ThermoFluidSpecial.gibbsToProps_pT
Calculate property record for pressure and temperature as states from dimensionless Gibbs function

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`GibbsDerivs`	`g`	Dimensionless derivatives of Gibbs function

Outputs

Type	Name	Description
`ThermoProperties_pT`	`pro`	Property record for pressure and temperature as dynamic states

Function Modelica.Media.Common.ThermoFluidSpecial.helmholtzToProps_ph
Calculate property record for pressure and specific enthalpy as states from dimensionless Helmholtz function

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`HelmholtzDerivs`	`f`	Dimensionless derivatives of Helmholtz function

Outputs

Type	Name	Description
`ThermoProperties_ph`	`pro`	Property record for pressure and specific enthalpy as dynamic states

Function Modelica.Media.Common.ThermoFluidSpecial.helmholtzToProps_pT
Calculate property record for pressure and temperature as states from dimensionless Helmholtz function

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`HelmholtzDerivs`	`f`	Dimensionless derivatives of Helmholtz function

Outputs

Type	Name	Description
`ThermoProperties_pT`	`pro`	Property record for pressure and temperature as dynamic states

Function Modelica.Media.Common.ThermoFluidSpecial.helmholtzToProps_dT
Calculate property record for density and temperature as states from dimensionless Helmholtz function

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`HelmholtzDerivs`	`f`	Dimensionless derivatives of Helmholtz function

Outputs

Type	Name	Description
`ThermoProperties_dT`	`pro`	Property record for density and temperature as dynamic states

Function Modelica.Media.Common.ThermoFluidSpecial.TwoPhaseToProps_ph
Compute property record for pressure and specific enthalpy as states from saturation properties

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`SaturationProperties`	`sat`	Saturation property record

Outputs

Type	Name	Description
`ThermoProperties_ph`	`pro`	Property record for pressure and specific enthalpy as dynamic states

Function Modelica.Media.Common.ThermoFluidSpecial.TwoPhaseToProps_dT
Compute property record for density and temperature as states from saturation properties

Information

This icon indicates Modelica functions.

Extends from Modelica.Icons.Function (Icon for functions).

Inputs

Type	Name	Description
`SaturationProperties`	`sat`	Saturation properties

Outputs

Type	Name	Description
`ThermoProperties_dT`	`pro`	Property record for density and temperature as dynamic states

Package Modelica.​Media.​Common.​ThermoFluidSpecialProperty records used by the ThermoFluid library

Information

Package Contents

Record Modelica.​Media.​Common.​ThermoFluidSpecial.​FixedIGPropertiesConstant properties for ideal gases

Information

Fields

Record Modelica.​Media.​Common.​ThermoFluidSpecial.​ThermoBaseVarsIcon for records

Information

Model description

Fields

Record Modelica.​Media.​Common.​ThermoFluidSpecial.​ThermoPropertiesThermodynamic base property data for all state models

Information

Model description

Fields

Record Modelica.​Media.​Common.​ThermoFluidSpecial.​ThermoProperties_phThermodynamic property data for pressure p and specific enthalpy h as dynamic states

Information

Model description

Fields

Record Modelica.​Media.​Common.​ThermoFluidSpecial.​ThermoProperties_pTThermodynamic property data for pressure p and temperature T as dynamic states

Information

Model description

Fields

Record Modelica.​Media.​Common.​ThermoFluidSpecial.​ThermoProperties_dTThermodynamic property data for density d and temperature T as dynamic states

Information

Model description

Fields

Record Modelica.​Media.​Common.​ThermoFluidSpecial.​TransportPropsRecord with transport properties

Information

Fields

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​gibbsToProps_phCalculate property record for pressure and specific enthalpy as states from dimensionless Gibbs function

Information

Inputs

Outputs

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​gibbsToBoundaryPropsCalculate phase boundary property record from dimensionless Gibbs function

Information

Inputs

Outputs

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​gibbsToProps_dTCalculate property record for density and temperature as states from dimensionless Gibbs function

Information

Inputs

Outputs

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​gibbsToProps_pTCalculate property record for pressure and temperature as states from dimensionless Gibbs function

Information

Inputs

Outputs

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​helmholtzToProps_phCalculate property record for pressure and specific enthalpy as states from dimensionless Helmholtz function

Information

Inputs

Outputs

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​helmholtzToProps_pTCalculate property record for pressure and temperature as states from dimensionless Helmholtz function

Information

Inputs

Outputs

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​helmholtzToProps_dTCalculate property record for density and temperature as states from dimensionless Helmholtz function

Information

Inputs

Outputs

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​TwoPhaseToProps_phCompute property record for pressure and specific enthalpy as states from saturation properties

Information

Inputs

Outputs

Function Modelica.​Media.​Common.​ThermoFluidSpecial.​TwoPhaseToProps_dTCompute property record for density and temperature as states from saturation properties

Information

Inputs

Outputs

Package Modelica.Media.Common.ThermoFluidSpecial
Property records used by the ThermoFluid library

Record Modelica.Media.Common.ThermoFluidSpecial.FixedIGProperties
Constant properties for ideal gases

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoBaseVars
Icon for records

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties
Thermodynamic base property data for all state models

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties_ph
Thermodynamic property data for pressure p and specific enthalpy h as dynamic states

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties_pT
Thermodynamic property data for pressure p and temperature T as dynamic states

Record Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties_dT
Thermodynamic property data for density d and temperature T as dynamic states

Record Modelica.Media.Common.ThermoFluidSpecial.TransportProps
Record with transport properties

Function Modelica.Media.Common.ThermoFluidSpecial.gibbsToProps_ph
Calculate property record for pressure and specific enthalpy as states from dimensionless Gibbs function

Function Modelica.Media.Common.ThermoFluidSpecial.gibbsToBoundaryProps
Calculate phase boundary property record from dimensionless Gibbs function

Function Modelica.Media.Common.ThermoFluidSpecial.gibbsToProps_dT
Calculate property record for density and temperature as states from dimensionless Gibbs function

Function Modelica.Media.Common.ThermoFluidSpecial.gibbsToProps_pT
Calculate property record for pressure and temperature as states from dimensionless Gibbs function

Function Modelica.Media.Common.ThermoFluidSpecial.helmholtzToProps_ph
Calculate property record for pressure and specific enthalpy as states from dimensionless Helmholtz function

Function Modelica.Media.Common.ThermoFluidSpecial.helmholtzToProps_pT
Calculate property record for pressure and temperature as states from dimensionless Helmholtz function

Function Modelica.Media.Common.ThermoFluidSpecial.helmholtzToProps_dT
Calculate property record for density and temperature as states from dimensionless Helmholtz function

Function Modelica.Media.Common.ThermoFluidSpecial.TwoPhaseToProps_ph
Compute property record for pressure and specific enthalpy as states from saturation properties

Function Modelica.Media.Common.ThermoFluidSpecial.TwoPhaseToProps_dT
Compute property record for density and temperature as states from saturation properties