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 ThermalSeparation.Media.WaterBasedLiquid.BaseClasses.Common.IF97BaseTwoPhase aux "auxiliary record"; output SI.RelativePressureCoefficient beta "isobaric expansion coefficient"; end beta_props_ph;