Function that calculates the isentropic exponent of vapor based on temperature and specific volume
function isentropicExponentVap_Tv input Modelica.Units.SI.Temperature T "Temperature of refrigerant"; input Modelica.Units.SI.SpecificVolume v "Specific volume of refrigerant"; output Modelica.Units.SI.IsentropicExponent k; end isentropicExponentVap_Tv;