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Numerical simulation of contact condition effects on heat exchanger performance.

Author(s) : TSUBAKI K., MATSUO Y., MIYARA A.

Summary

A numerical study has been conducted to investigate the effects of the fincollar form on the heat transfer performance of cross fin-tube heat exchangers. A triangular space is formed by two adjacent fincollars and a heat transfer tube form during the heat exchanger assembly process. The triangular space increases thermal resistance between the tube and fincollars. Increase the triangular space increases the non-contact surface area between the tube and the fincollar. The non-contact area decreases the average contact conductance between the tube and fins and therefore a decrease of heat transfer rate.

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Pages: 2009-5

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Details

  • Original title: Numerical simulation of contact condition effects on heat exchanger performance.
  • Record ID : 2009-1951
  • Languages: English
  • Source: 3rd Conference on Thermophysical Properties and Transfer Processes of Refrigerants
  • Publication date: 2009/06/23

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