Return specific entropy as a function of pressure, specific enthalpy and mass fractions
partial function specificEntropy_phX extends Modelica.Icons.Function; input AbsolutePressure p "Pressure"; input SpecificEnthalpy h "Specific enthalpy"; input MassFraction X[:] = reference_X "Mass fractions"; output SpecificEntropy s "Specific entropy"; end specificEntropy_phX;