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Effects of store relative humidity on refrigerated display case performance.

Author(s) : HOWELL R. H.

Summary

When a refrigerated display case operates in a store environment, it exchanges heat and moisture with the store environment. A procedure has been developed that evaluates the effects of relative humidity on the energy performance of refrigerated display cases. The savings in display case energy requirements when operated at a store relative humidity of 35% rather than at 55% ranged from 5% for glass door reach-in cases to 29% for multi-shelf deli cases. The savings depended on the type of display case, with the majority of the cases saving 20 to 30% in operating energy. These numbers compared favorably with the limited amount of experimental or measured data that was located.

Details

  • Original title: Effects of store relative humidity on refrigerated display case performance.
  • Record ID : 1994-0909
  • Languages: English
  • Source: ASHRAE Transactions 1993.
  • Publication date: 1993
  • Document available for consultation in the library of the IIR headquarters only.

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