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Performance analysis of plate heat exchangers used as refrigerant evaporators.

Author(s) : HUANG J., BAILEY-MCEWAN M., SHEER T. J.

Summary

This paper considers the performance of plate heat exchangers used as refrigerant evaporators. A literature review of the status of research shows that while chevron-plate heat exchangers have increasingly been applied in the last two decades as evaporators and condensers in liquid chillers and other refrigeration systems world-wide, the fundamental modelling of their operational characteristics is not conclusively understood. A limited amount of heat transfer and pressure drop data is available for a few refrigerants and even more limited information has been published from real, large-scale installations. In this study, flow boiling characteristics in the corrugated channel are discussed. Measurement data and assessments are presented from large-scale water-chilling machines, where plate heat exchangers are employed as flooded evaporators. Comparison between measured refrigerant-side heat transfer coefficients with those predicted by some published correlations is given and comments are made on the applicability of the respective correlations.

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Pages: ICR07-B2-184

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Details

  • Original title: Performance analysis of plate heat exchangers used as refrigerant evaporators.
  • Record ID : 2008-0144
  • Languages: English
  • Subject: Technology
  • Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Publication date: 2007/08/21

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