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A computational approach to design and investigation of finless zigzag shaped tubes heat exchanger.

Number: 1965

Author(s) : RAYHAN S., KARIYA K., MIYARA A.

Summary

A finless, zigzag-shaped-tube heat transfer design is sculpted and inspected to enhance the air conditioner's heat transfer performance. The heat transfer amount per unit area and pressure drop are investigated by three-dimensional numerical simulation, and eventually, it was compared with the parallel tubes heat exchanger. It's designed by putting zigzag-shaped-tube side-by-side in various distances for inspection. The air-side heat transfer per unit area and frictional characteristics were checked in different air velocities. Rather than using a conventional fin and tube heat transfer design, a zigzag heat exchanger is introduced. The zigzag shape effect also helped to enhance the heat transfer amount by creating a swirling effect. To inspect the air-side heat transfer amount, various tube zigzag angle was investigated here. Eventually, the zigzag-shaped tube heat exchanger shows better heat transfer and frictional performance over the Parallel tube heat exchanger.

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Pages: 6

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Details

  • Original title: A computational approach to design and investigation of finless zigzag shaped tubes heat exchanger.
  • Record ID : 30028909
  • Languages: English
  • Subject: Technology
  • Source: 6th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
  • Publication date: 2021/09/01
  • DOI: http://dx.doi.org/10.18462/iir.TPTPR.2021.1965
  • Document available for consultation in the library of the IIR headquarters only.

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