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MEPR versus EEPR valves in open supermarket refrigerated display cabinets.

Author(s) : TAHIR A., BANSAL P. K.

Type of article: Article

Summary

This article presents the comparative experimental field performance of mechanical evaporator pressure regulating valves (MEPR) and electronic evaporator pressure regulating valves (EEPR) under the identical operating conditions of supermarket open multi-deck refrigerated display cabinets. The main goal of the supermarket refrigeration system design is to keep the displayed product at the required constant temperature, while minimising the cooling load to increase the overall energy efficiency of the system. Field tests have shown that the electronic evaporator pressure valve has a significant effect on improving the cabinet temperature and reducing the rate of frost formation on the evaporator coils with subsequent improvements in the air curtain strength.

Details

  • Original title: MEPR versus EEPR valves in open supermarket refrigerated display cabinets.
  • Record ID : 2005-1245
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 25 - n. 2-3
  • Publication date: 2005/02

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