.AixLib.Fluid.Movers.Compressors.Utilities.EngineEfficiency.SpecifiedEfficiencies.ConstantEfficiency .AixLib.Fluid.Movers.Compressors.Utilities.EngineEfficiency.SpecifiedEfficiencies.ConstantEfficiencyThis model contains a simple calculation procedure for engine efficiency models (for more information, please check out AixLib.Fluid.Movers.Compressors.BaseClasses.PartialCompression). The model provides a constant overall engine efficiency and is the most basic engine efficiency model.