This information is part of the Modelica Standard Library maintained by the Modelica Association.

This function calculates the derivatives required for an inversion of temperature and density function.

derivs = derivsOf_ph(p, h, phase)

p	Type: AbsolutePressure (Pa) Description: Pressure
h	Type: SpecificEnthalpy (J/kg) Description: Specific enthalpy
phase	Type: Integer Description: Number of phases

derivs	Type: InverseDerivatives_rhoT Description: Inverse derivatives for density and temperature