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A numerical analysis of the pool boiling process in flooded evaporators using different refrigerants.

Number: 2529

Author(s) : ZHANG M., NAWAZ K., YANG C.-M., SANDLIN M., ASHER W., FRICKE B., GEHL A. C.

Summary

The pool boiling process can be observed in several energy conversion processes including commercial and industrial refrigeration, industrial air-cooling operations, and power generation. The process becomes more involved when pool boiling in a tube bundle is considered. In the current study, a numerical model is developed to predict the key performance parameters of a flooded evaporator while considering a range of working fluids. A kettle reboiler configuration was considered, and a performance model was developed to account for boiling on individual tubes, merging of vapor bubbles, and movement under gravity. A volume of fluid (VOF) model was used to deal with the different phases in the simulation. Various fluids were considered in this study including HFE-7000, HFE-7300, and water. The trajectories of the bubbles were tracked, and the resulting information has been summarized in physical measurable quantities.

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Pages: 10

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Details

  • Original title: A numerical analysis of the pool boiling process in flooded evaporators using different refrigerants.
  • Record ID : 30028542
  • Languages: English
  • Source: 2021 Purdue Conferences. 18th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2021/05
  • Document available for consultation in the library of the IIR headquarters only.

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