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Comparison of parallel- and counterflow circuiting in an industrial evaporator under frosting conditions.

Author(s) : ALJUWAYHEL N. F., REINDL D. T., KLEIN S. A., et al.

Type of article: Article, IJR article

Summary

This paper describes a theoretical model of a large-scale, ammonia-fed evaporator coil used in an industrial refrigeration system and operating under low temperature air and refrigerant conditions that are typically encountered in refrigerated storage spaces. The model is used to simulate the performance of counterflow and parallel-flow circuited evaporator coil designs under frosting conditions. The counterflow frost model is validated using in situ data obtained from a field-installed evaporator coil. The performance of an evaporator in a parallel-flow circuit arrangement is simulated and compared to counterflow circuiting. The effects of coil circuiting are evaluated in terms of the frost distribution across the evaporator coil and the associated reduction in cooling capacity during operation.

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Pages: 1347-1357

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Details

  • Original title: Comparison of parallel- and counterflow circuiting in an industrial evaporator under frosting conditions.
  • Record ID : 2008-0142
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 30 - n. 8
  • Publication date: 2007/12

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