Isothermal compressibility factor as function of pressure and temperature
function kappa_pT extends Modelica.Icons.Function; input SI.Pressure p "Pressure"; input SI.Temperature T "Temperature"; input Integer region = 0 "If 0, region is unknown, otherwise known and this input"; output SI.IsothermalCompressibility kappa "Isothermal compressibility factor"; end kappa_pT;