recordThermoProperties
Thermodynamic base property data for all state models
Extends from Modelica.Icons.Record (Icon for records).
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.
## Copyright © EDF 2002 - 2025
## ThermoSysPro Version 4.2Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | nspecies | Number of species |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Units.SI.Temperature | T | Temperature | |
| Units.SI.Density | d | Density | |
| Units.SI.Pressure | p | Pressure | |
| Units.SI.Volume | V | Volume | |
| Units.SI.SpecificEnthalpy | h | Specific enthalpy | |
| Units.SI.SpecificEnergy | u | Specific inner energy | |
| Units.SI.SpecificEntropy | s | Specific entropy | |
| Units.SI.SpecificGibbsFreeEnergy | g | Specific Gibbs free energy | |
| Units.SI.SpecificHeatCapacity | cp | Heat capacity at constant pressure | |
| Units.SI.SpecificHeatCapacity | cv | Heat capacity at constant volume | |
| Units.SI.SpecificHeatCapacity | R | Gas constant | |
| Units.SI.MolarMass | MM | Molar mass of mixture | |
| Units.SI.MassFraction | mass_x | Mass fraction | |
| Units.SI.MoleFraction | mole_y | Mole fraction | |
| Units.SI.RatioOfSpecificHeatCapacities | kappa | Ratio of cp/cv | |
| Units.SI.DerDensityByTemperature | ddTp | Derivative of density by temperature at constant pressure | |
| Units.SI.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 | |
| Units.SI.SpecificHeatCapacity | duTp | Derivative of inner energy by temperature at constant p | |
| Units.SI.SpecificEnergy[nspecies] | ddx | Derivative vector of density by change in mass composition | |
| Units.SI.SpecificEnergy | compu | Inner energy of the components | |
| Units.SI.Pressure | compp | partial pressures of the components | |
| Units.SI.Velocity | a | Speed of sound | |
| Units.SI.HeatCapacity | dUTZ | Derivative of inner energy by temperature at constant moles | |
| Units.SI.MolarInternalEnergy | dUZT | Derivative of inner energy by moles at constant temperature | |
| Units.SI.SpecificEnthalpy | dHMxT | Derivative of total enthalpy w.r.t. component mass at constant T | |
| Real | dpT | Derivative of pressure w.r.t. temperature | |
| Real[nspecies] | dpZ | Derivative of pressure w.r.t. moles |