modelConstantEfficiency

General model that describes a constant overall isentropic efficiency

Extends from PartialIsentropicEfficiency (Based model used by all models describing isentropic efficiencies).

Information

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

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.EfficiencyetaIseCon0.9Constant overall isentropic efficiency

Components

TypeNameDefaultDescription
Modelica.Units.SI.EfficiencyepsRef (from PartialEfficiency)Ratio of the real and the ideal displacement volume
Modelica.Units.SI.VolumeVDis (from PartialEfficiency)Displacement volume
RealpiPre (from PartialEfficiency)Ratio of compressor's outlet and inlet pressure
Modelica.Units.SI.FrequencyrotSpe (from PartialEfficiency)Compressor's current rotational speed
Medium.ThermodynamicStatestaInl (from PartialEfficiency)Thermodynamic state at compressor's inlet
Medium.ThermodynamicStatestaOut (from PartialEfficiency)Thermodynamic state at compressor's outlet
Modelica.Units.SI.TemperatureTAmb (from PartialEfficiency)Ambient temperature
Modelica.Units.SI.EfficiencyetaIse (from PartialIsentropicEfficiency)Overall isentropic efficiency

Revisions

  • October 20, 2017, by Mirko Engelpracht:
    First implementation (see issue 467).