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Thermal effectiveness of short-protrusion rectangular, heat-exchanger fins

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  • Leung, C. W.
  • Probert, S. D.

Abstract

Steady-state rates of heat dissipation under natural-convective conditions, from heat exchangers with vertical rectangular fins attached to a rectangular base, have been measured. The fins were relatively small, with a length of 150 mm and a protrusion of either 10 or 17 mm. The tests were carried out with the base of the fin array at either 20 or 40 K above the mean temperature of the environmental air in the laboratory. The optimal inter-fin separations (for achieving maximum heat-transfer rates) were 9·0 ± 0·5 mm and 9·5 ± 0·5 mm for the vertical fins protruding outwards from the vertical base and upwards from the horizontal base respectively. The experimental results are presented as non-dimensional correlations.

Suggested Citation

  • Leung, C. W. & Probert, S. D., 1989. "Thermal effectiveness of short-protrusion rectangular, heat-exchanger fins," Applied Energy, Elsevier, vol. 34(1), pages 1-8.
    • Handle: RePEc:eee:appene:v:34:y:1989:i:1:p:1-8
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    Cited by:

    1. Harahap, Filino & Setio, Daru, 2001. "Correlations for heat dissipation and natural convection heat-transfer from horizontally-based, vertically-finned arrays," Applied Energy, Elsevier, vol. 69(1), pages 29-38, May.
    2. Grzegorz Czerwiński & Jerzy Wołoszyn, 2021. "Optimization of Air Cooling System Using Adjoint Solver Technique," Energies, MDPI, vol. 14(13), pages 1-24, June.

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