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Heat-exchanger design: Optimal uniform thickness of Vertical rectangular fins protruding perpendicularly outwards, at uniform separations, from a Vertical rectangular [`]Base'

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  • Leung, C.W.
  • Probert, S.D.

Abstract

The effects of varying the fin thickness on the steady-state rate of heat loss from the fin array have been measured experimentally for free-convection conditions. The duralumin fin array had a base area of 500 mm (vertical) x 190 mm (horizontal), and the fins protruded 65 mm proud of, and perpendicularly out from, the base. The experiments were performed with five different fin thicknesses, namely 1, 3, 6, 9 and 19 mm, for base temperatures of 20·0 (±0·1)°C and 40·0 (±0·1)°C above that of the ambient environment, which was maintained at 20 (±0·2)°C. There is an average optimal uniform fin thickness equal to 3·0 ± 0·5 mm, corresponding to the maximum rates of heat loss, for the range of conditions stated when the uniform separations between the adjacent fins exceeds 20 mm. For 20 mm

Suggested Citation

  • Leung, C.W. & Probert, S.D., 1987. "Heat-exchanger design: Optimal uniform thickness of Vertical rectangular fins protruding perpendicularly outwards, at uniform separations, from a Vertical rectangular [`]Base'," Applied Energy, Elsevier, vol. 26(2), pages 111-118.
    • Handle: RePEc:eee:appene:v:26:y:1987:i:2:p:111-118
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    Cited by:

    1. Jang, Daeseok & Yook, Se-Jin & Lee, Kwan-Soo, 2014. "Optimum design of a radial heat sink with a fin-height profile for high-power LED lighting applications," Applied Energy, Elsevier, vol. 116(C), pages 260-268.

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