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Heat transfer analysis of lateral perforated fin heat sinks

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  • Shaeri, M.R.
  • Yaghoubi, M.
  • Jafarpur, K.

Abstract

In this article fluid flow and conjugate conduction-convective heat transfer from a three-dimensional array of rectangular perforated fins with square windows that are arranged in lateral surface of fins are studied numerically. For investigation, Navier-Stokes equations and RNG based k - [epsilon] turbulent model are used. Finite volume procedure with SIMPLE algorithm is applied to coupled differential equations for both solid and gas phases. Computations are carried out for Reynolds numbers of 2000-5000 based on the fin thickness and Pr = 0.71. Numerical model is first validated with previous experimental studies and good agreement were observed. Based on a valid numerical model, numerical solution is made to find fluid flow and temperature distribution for various arrangements. For each type, fin efficiency of perforated fins is determined and compared with the equivalent solid fin. Results show that new perforated fins have higher total heat transfer and considerable weight reduction in comparison with solid fins.

Suggested Citation

  • Shaeri, M.R. & Yaghoubi, M. & Jafarpur, K., 2009. "Heat transfer analysis of lateral perforated fin heat sinks," Applied Energy, Elsevier, vol. 86(10), pages 2019-2029, October.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:10:p:2019-2029
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    References listed on IDEAS

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    Cited by:

    1. Liu, Y.W. & Liu, X. & Yuan, X.Zh. & Wang, X.J., 2016. "Optimizing design of a new zero boil off cryogenic storage tank in microgravity," Applied Energy, Elsevier, vol. 162(C), pages 1678-1686.
    2. Ma, Ting & Wang, Qiu-wang & Zeng, Min & Chen, Yi-tung & Liu, Yang & Nagarajan, Vijaisri, 2012. "Study on heat transfer and pressure drop performances of ribbed channel in the high temperature heat exchanger," Applied Energy, Elsevier, vol. 99(C), pages 393-401.
    3. Bahadori, Alireza & Vuthaluru, Hari B., 2010. "Novel predictive tools for design of radiant and convective sections of direct fired heaters," Applied Energy, Elsevier, vol. 87(7), pages 2194-2202, July.
    4. Ismail, Md. Farhad & Hasan, Muhammad Noman & Saha, Suvash C., 2014. "Numerical study of turbulent fluid flow and heat transfer in lateral perforated extended surfaces," Energy, Elsevier, vol. 64(C), pages 632-639.
    5. Yuan Xue & Zhihua Ge & Xiaoze Du & Lijun Yang, 2018. "On the Heat Transfer Enhancement of Plate Fin Heat Exchanger," Energies, MDPI, vol. 11(6), pages 1-18, May.

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