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Correlations for heat dissipation and natural convection heat-transfer from horizontally-based, vertically-finned arrays

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  • Harahap, Filino
  • Setio, Daru

Abstract

Experimental data for heat dissipation from five duralumin vertical rectangular fin-arrays with the base horizontally oriented were measured. These measurements were to extend data obtained earlier from aluminum fin-arrays using the same experimental system and method. Data collated from earlier and present work covered the range of inter-fin separation distances from 6.25 to 7.95 mm. The range of the fin base excess temperature above the ambient air temperature, however, was quite extensive, from 19.0±0.1°C to 125.0±0.1°C. The fin length range was from 127 to 254 mm, the height from 6.35 to 38.10 mm, the thickness from 1.02 to 3.10 mm and the number of fins per array from 10 to 33. Relevant non-dimensional parameters formulated by earlier similarity analyses were used to generalize the data. Two types of correlations, one which used the inter-fin separation distance as the prime geometric parameter, and the other, which used half of the fin length, were presented and deviations discussed.

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  • 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.
    • Handle: RePEc:eee:appene:v:69:y:2001:i:1:p:29-38
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    References listed on IDEAS

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    1. Leung, C. W. & Probert, S. D., 1988. "Heat-exchanger design: Optimal length of an array of uniformly-spaced vertical rectangular fins protruding upwards from a horizontal base," Applied Energy, Elsevier, vol. 30(1), pages 29-35.
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    7. Leung, C. W. & Probert, S. D. & Shilston, M. J., 1985. "Heat exchanger design: Thermal performances of rectangular fins protruding from vertical or horizontal rectangular bases," Applied Energy, Elsevier, vol. 20(2), pages 123-140.
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    2. 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.
    3. Liu, Xin & Shi, Xilin & Li, Yinping & Ye, Liangliang & Wei, Xinxing & Zhu, Shijie & Bai, Weizheng & Ma, Hongling & Yang, Chunhe, 2023. "Synthetic salt rock prepared by molten salt crystallization and its physical and mechanical properties," Energy, Elsevier, vol. 269(C).
    4. Ding, Yudong & Zhang, Wenhe & Deng, Bin & Gu, Yuheng & Liao, Qiang & Long, Zhenze & Zhu, Xun, 2022. "Experimental and numerical investigation on natural convection heat transfer characteristics of vertical 3-D externally finned tubes," Energy, Elsevier, vol. 239(PB).
    5. 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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