Isobaric expansion coefficient as function of pressure and specific enthalpy
function beta_props_ph extends Modelica.Icons.Function; input SI.Pressure p "Pressure"; input SI.SpecificEnthalpy h "Specific enthalpy"; input Common.IF97BaseTwoPhase aux "Auxiliary record"; output SI.RelativePressureCoefficient beta "Isobaric expansion coefficient"; end beta_props_ph;