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Performance evaluation of R1234yf heat pump system for an electric vehicle in cold climate.

Author(s) : LI W., LIU R., LIU Y., WANG D., SHI J., CHEN J.

Type of article: IJR article

Summary

To improve the efficiency of mobile air conditioning and to meet the need of protecting the environment, performance characteristics of the R1234yf heat pump were tested under various conditions in a cold climate. R1234yf is considered a promising replacement for R134a because of its low global warming potential (GWP). Many studies have examined the cooling performance of R1234yf, but little attention has been focused on its heating performance in cold climate. In this work, the system performance of R1234yf heat pump was analyzed and compared with that of R134a under different influencing factors such as charge, outdoor temperature, indoor temperature, outdoor wind speed, indoor air mass flow rate, compressor speed, inner condenser width, and economized vapor injection (EVI). The results obtained are presented in detail from the view of experimental analysis and comparison.

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Pages: 117-125

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Details

  • Original title: Performance evaluation of R1234yf heat pump system for an electric vehicle in cold climate.
  • Record ID : 30027478
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 115
  • Publication date: 2020/07

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