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R-290 scroll compressor technology.

Number: pap. ID66

Author(s) : ZHANG L., GINIES P., DEWITTE P.

Summary

The natural refrigerant R-290, with zero ODP, a GWP of 3 and good thermo-physical properties, has already been validated as one of the best substitutes for R-22 in future. So far R-290 has been used mainly in small refrigeration appliances with a very low charge. Considering the progress in international safety regulations, technology advancements in leakage detection, improvements of technical skills as well as increased protection, the application range of R-290 is believed to become wider year after year. In this paper, the latest developments of scroll compressor technology with R-290 is introduced. Performance comparisons between R-407C, R-410A and R-290 are done based on tests of a fixed speed compressor for heat pump (HP) applications and a variable speed compressor for air conditioning (AC) applications. It is shown that R-290 has significant advantages for use in HP applications over currently used refrigerants. In addition, the oil selection for R-290 scroll compressor is reviewed with proper refrigerant/lubricant couple selection finalizing the study.

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Pages: 7 p.

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Details

  • Original title: R-290 scroll compressor technology.
  • Record ID : 30012663
  • Languages: English
  • Source: 11th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
  • Publication date: 2014/08/02

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