.AixLib.Fluid.Movers.Compressors.BaseClasses.PartialModularCompressors.IsentropicEfficiency .AixLib.Fluid.Movers.Compressors.BaseClasses.PartialModularCompressors.IsentropicEfficiencymodel IsentropicEfficiency = AixLib.Fluid.Movers.Compressors.Utilities.IsentropicEfficiency.SpecifiedEfficiencies.ConstantEfficiency;