Computes specific entropy as a function of pressure and temperature
function specificEntropy_pTX extends Modelica.Icons.Function; input AbsolutePressure p "Pressure"; input Temperature T "Specific entropy"; input MassFraction X[:] = fill(0, 0) "mass fraction m_XCl/m_Sol"; input FixedPhase phase = 0 "2 for two-phase, 1 for one-phase, 0 if not known"; output SpecificEntropy s "specific enthalpy"; end specificEntropy_pTX;