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Finned-tube evaporators re-design for new refrigerants, part 2: basic guidelines and optimization.

Number: 155

Author(s) : PRADES-GIL C., NAVARRO-PERIS E., GONZÁLVEZ-MACIÁ J., HASSAN A.

Summary

This work details a methodology in order to estimate the heat transfer coefficient and pressure drop of refrigerant- and air-side and their impacts on the evaporator design. From that point of view, the performance of finned-tube evaporators for different configurations and the evaluation of its design is done. As a probe of concept, different refrigerant circuitries are presented and compared. The main design considerations to optimize the operation of selected evaporator using R-290 as refrigerant are presented. Moreover, the propose evaporator was integrated in a complete air-to-water heat pump to investigate the effect of main air-side geometry parameters, such as spacing between rows and tubes, and fin pitch, on the heat pump’s global performance.

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Pages: 7

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Details

  • Original title: Finned-tube evaporators re-design for new refrigerants, part 2: basic guidelines and optimization.
  • Record ID : 30028077
  • Languages: English
  • Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
  • Publication date: 2020/11/11

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