Altaxo user manual and class reference
Altaxo class reference
Altaxo Namespaces
Altaxo.Science Namespaces
Altaxo.Science.Thermodynamics.Fluids
HelmholtzEquationOfState Class
HelmholtzEquationOfState Methods
GetDeltaFromMassDensity Method
GetDeltaFromMoleDensity Method
GetTauFromTemperature Method
IsentropicDerivativeOfMassSpecificVolumeWrtPressure_FromMoleDensityAndTemperature Method
IsentropicDerivativeOfMoleSpecificVolumeWrtPressure_FromMoleDensityAndTemperature Method
IsothermalCompressibility_FromMassDensityAndTemperature Method
IsothermalCompressibility_FromMoleDensityAndTemperature Method
IsothermalCompressionalModulus_FromMassDensityAndTemperature Method
IsothermalCompressionalModulus_FromMoleDensityAndTemperature Method
IsothermalDerivativePressureWrtMassDensity_FromMassDensityAndTemperature Method
IsothermalDerivativePressureWrtMoleDensity_FromMoleDensityAndTemperature Method
MassDensity_FromMoleDensity Method
MassDensity_FromPressureAndTemperature Method
MassSpecificEnthalpy_FromMassDensityAndTemperature Method
MassSpecificEnthalpy_FromMoleDensityAndTemperature Method
MassSpecificEntropy_FromMassDensityAndTemperature Method
MassSpecificEntropy_FromMoleDensityAndTemperature Method
MassSpecificGibbsEnergy_FromMassDensityAndTemperature Method
MassSpecificGibbsEnergy_FromMoleDensityAndTemperature Method
MassSpecificHelmholtzEnergy_FromMassDensityAndTemperature Method
MassSpecificHelmholtzEnergy_FromMoleDensityAndTemperature Method
MassSpecificInternalEnergy_FromMassDensityAndTemperature Method
MassSpecificInternalEnergy_FromMoleDensityAndTemperature Method
MassSpecificIsobaricHeatCapacity_FromMassDensityAndTemperature Method
MassSpecificIsobaricHeatCapacity_FromMoleDensityAndTemperature Method
MassSpecificIsochoricHeatCapacity_FromMassDensityAndTemperature Method
MassSpecificIsochoricHeatCapacity_FromMoleDensityAndTemperature Method
MoleDensity_FromMassDensity Method
MoleDensity_FromPressureAndTemperature Method
MoleDensityEstimates_FromPressureAndTemperature Method
MoleSpecificEnthalpy_FromMassDensityAndTemperature Method
MoleSpecificEnthalpy_FromMoleDensityAndTemperature Method
MoleSpecificEntropy_FromMassDensityAndTemperature Method
MoleSpecificEntropy_FromMoleDensityAndTemperature Method
MoleSpecificGibbsEnergy_FromMassDensityAndTemperature Method
MoleSpecificGibbsEnergy_FromMoleDensityAndTemperature Method
MoleSpecificHelmholtzEnergy_FromMassDensityAndTemperature Method
MoleSpecificHelmholtzEnergy_FromMoleDensityAndTemperature Method
MoleSpecificInternalEnergy_FromMassDensityAndTemperature Method
MoleSpecificInternalEnergy_FromMoleDensityAndTemperature Method
MoleSpecificIsobaricHeatCapacity_FromMassDensityAndTemperature Method
MoleSpecificIsobaricHeatCapacity_FromMoleDensityAndTemperature Method
MoleSpecificIsochoricHeatCapacity_FromMassDensityAndTemperature Method
MoleSpecificIsochoricHeatCapacity_FromMoleDensityAndTemperature Method
Phi0_OfReducedVariables Method
Phi0_tau_OfReducedVariables Method
Phi0_tautau_OfReducedVariables Method
PhiR_delta_OfReducedVariables Method
PhiR_deltadelta_OfReducedVariables Method
PhiR_deltatau_OfReducedVariables Method
PhiR_OfReducedVariables Method
PhiR_tau_OfReducedVariables Method
PhiR_tautau_OfReducedVariables Method
Pow2 Method
Pressure_FromMassDensityAndTemperature Method
Pressure_FromMoleDensityAndTemperature Method
SpeedOfSound_FromMassDensityAndTemperature Method
SpeedOfSound_FromMoleDensityAndTemperature Method
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HelmholtzEquationOfStateMassSpecificHelmholtzEnergy_FromMassDensityAndTemperature Method

Get the Helmholtz energy from a given mass density and temperature. Attention - unchecked function: it is presumed, but not checked (!), that the given parameter combination describes a single phase fluid!.

Namespace: Altaxo.Science.Thermodynamics.Fluids
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
Copy
public double MassSpecificHelmholtzEnergy_FromMassDensityAndTemperature(
	double massDensity,
	double temperature
)

Parameters

massDensity  Double
The density in kg/m³.
temperature  Double
The temperature in Kelvin.

Return Value

Double
The Helmholtz energy in J/(kg K).
See Also