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.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | nspecies | Number of species |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Temperature | T | Temperature | |
| SI.Density | d | Density | |
| SI.Pressure | p | Pressure | |
| SI.Volume | V | Volume | |
| SI.SpecificEnthalpy | h | Specific enthalpy | |
| SI.SpecificEnergy | u | Specific inner energy | |
| SI.SpecificEntropy | s | Specific entropy | |
| SI.SpecificGibbsFreeEnergy | g | Specific Gibbs free energy | |
| SI.SpecificHeatCapacity | cp | Heat capacity at constant pressure | |
| SI.SpecificHeatCapacity | cv | Heat capacity at constant volume | |
| SI.SpecificHeatCapacity | R_s | Gas constant | |
| SI.MolarMass | MM | Molar mass of mixture | |
| SI.MassFraction | mass_x | Mass fraction | |
| SI.MoleFraction | mole_y | Mole fraction | |
| SI.RatioOfSpecificHeatCapacities | kappa | Ratio of cp/cv | |
| SI.DerDensityByTemperature | ddTp | Derivative of density by temperature at constant pressure | |
| 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 | |
| SI.SpecificHeatCapacity | duTp | Derivative of inner energy by temperature at constant p | |
| SI.SpecificEnergy[nspecies] | ddx | Derivative vector of density by change in mass composition | |
| SI.SpecificEnergy | compu | Inner energy of the components | |
| SI.Pressure | compp | Partial pressures of the components | |
| SI.Velocity | a | Speed of sound | |
| SI.HeatCapacity | dUTZ | Derivative of inner energy by temperature at constant moles | |
| SI.MolarInternalEnergy | dUZT | Derivative of inner energy by moles at constant temperature | |
| 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 |