.AixLib.Fluid.Movers.Compressors.Utilities.IsentropicEfficiency.SpecifiedEfficiencies.Poly_R134a_169_Reciprocating .AixLib.Fluid.Movers.Compressors.Utilities.IsentropicEfficiency.SpecifiedEfficiencies.Poly_R134a_169_Reciprocating
This model contains a calculation procedure for the isentropic
efficiency presented by Darr and Crawford (1992).
| Reference | Formula | Refrigerants |
Validity ncompressor
|
Validity Πpressure
|
|---|---|---|---|---|
| DarrAndCrawford1992 |
ηise = a1 + a2*n +
a3/ρinlet
|
R134a |
40 - 75
|
3 - 10
|
J.H. Darr and R.R. Crawford (1992): Modeling of an Automotive Air Conditioning Compressor Based on Experimental Data: ACRC Technical Report 14. Publisher: Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.