Derivative of specific heat capacity wrt. specific enthalpy at constant pressure in liquid region for given pressure and specific enthalpy
function dcv1hp_Ph input Units.SI.AbsolutePressure p "Pressure"; input Units.SI.SpecificEnthalpy h "Specific enthalpy"; output Real dcvhp "Derivative of specific heat capacity wrt. specific enthalpy at constant pressure"; end dcv1hp_Ph;