isothermal compressibility factor as function of pressure and temperature
function kappa_props_pT extends Modelica.Icons.Function; input SI.Pressure p "pressure"; input SI.Temperature T "temperature"; input ThermalSeparation.Media.WaterBasedLiquid.BaseClasses.Common.IF97BaseTwoPhase aux "auxiliary record"; output SI.IsothermalCompressibility kappa "isothermal compressibility factor"; end kappa_props_pT;