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HelmholtzEquationOfStateOfPureFluidsBySpanEtAlPhiR_tautau_OfReducedVariables Method

Calculates the second derivative of the residual part of the dimensionless Helmholtz energy with respect to the inverse reduced temperature.

Namespace: Altaxo.Science.Thermodynamics.Fluids
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
public override double PhiR_tautau_OfReducedVariables(
	double delta,
	double tau
)

Parameters

delta  Double
The reduced density.
tau  Double
The reduced inverse temperature.

Return Value

Double
Second derivative of the residual part of the dimensionless Helmholtz energy with respect to the inverse reduced temperature.
See Also