partial function heatCapacityRatio_dTxi extends TILMedia.BaseClasses.PartialVLEFluidFunction; input TILMedia.VLEFluidTypes.BaseVLEFluid vleFluidType "VLEFluid type" annotation( choicesAllMatching = true); input SI.Density d "Density"; input SI.Temperature T "Temperature"; input SI.MassFraction[:] xi = TILMedia.Internals.massFraction_mixingRatio(vleFluidType.mixingRatio_propertyCalculation) "Mass fractions of the first nc-1 components"; output SI.IsentropicExponent gamma "Heat capacity ratio aka isentropic expansion factor"; end heatCapacityRatio_dTxi;