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Defrosting industrial refrigeration evaporators.

Author(s) : REINDL D. T., JEKEL T. B.

Type of article: Article

Summary

This article discusses techniques for removing accumulated frost on air-cooling evaporators in industrial refrigeration applications. Although the authors review alternative approaches to defrosting coils, their primary focus is on the use of hot-gas for defrost, including valve group arrangements and their sequences of operation. Due to past incidents, particular emphasis is placed on valve group designs that offer enhanced plant safety. The article concludes with a discussion of the parasitic energy effects associated with the defrost process with an eye toward using this information to enhance the energy performance of defrosting.

Details

  • Original title: Defrosting industrial refrigeration evaporators.
  • Record ID : 2009-2378
  • Languages: English
  • Source: ASHRAE Journal - vol. 51 - n. 8
  • Publication date: 2009/08

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