Water/Steam properties in region 4 of IAPWS/IF97 (two-phase)
function waterR4_ph extends Modelica.Icons.Function; input SI.Pressure p "Pressure"; input SI.SpecificEnthalpy h "Specific enthalpy"; output Modelica.Media.Common.ThermoFluidSpecial.ThermoProperties_ph pro "Thermodynamic property collection"; end waterR4_ph;