.ThermalSeparation.Media.IdealGasMixtures.PartialMediumPure.IsentropicExponent .ThermalSeparation.Media.IdealGasMixtures.PartialMediumPure.IsentropicExponenttype IsentropicExponent = SI.RatioOfSpecificHeatCapacities(min = 1, max = 500000, nominal = 1.2, start = 1.2);