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Comparative experimental study of an open piston compressor working with R1234yf, R134a and R290.

Author(s) : NAVARRO E., MARTÍNEZ-GALVÁN I. O., NOHALES J., et al.

Type of article: Article, IJR article

Summary

Among the different alternatives proposed in the automotive field to replace R134a and R1234yf is a new generation fluid which has recently gained great importance for MAC (Mobile Air Conditioning) systems. This fluid has the advantage of having a low GWP (Global Warming potential) and thermodynamic properties similar to R134a. But there is some criticism regarding the non-natural origin of the fluid and its possible long-term effects on the environment have not been studied. In that sense, hydrocarbons and particularly R290 can be considered as alternatives. This paper presents a comparative study between R1234yf, R134a and R290 for an open piston compressor at different operating conditions. The text matrix comprised two compressor speeds, evaporation temperatures from -15 to 15°C and condensation temperatures from 40 to 65°C. From these tests, the compressor behavior with these refrigerants has systematically been analyzed in terms of compressor efficiency, volumetric efficiency, losses to the ambient and oil-refrigerant properties.

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Pages: 768-775

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Details

  • Original title: Comparative experimental study of an open piston compressor working with R1234yf, R134a and R290.
  • Record ID : 30007863
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 3
  • Publication date: 2013/05

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