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Shape optimization of inclined ribs as heat transfer augmentation device

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Abstract

This work presents numerical optimization techniques for the design of a rectangular channel with inclined ribs to enhance turbulent heat transfer. The response surface method with Reynolds-averaged Navier-Stokes analysis is used for optimization. Shear stress transport turbulence model is used as a turbulence closure. Computational results for local heat transfer rate show a reasonable agreement with the experimental data. Width-to-rib height ratio and attack angle of the rib are chosen as design variables. The objective function is defined as a linear combination of heat-transfer and friction-loss related terms with the weighting factor. Full-factorial experimental design method is used to determine the data points. Optimum shapes of the channel have been obtained in a range of the weighting factor.

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Authors and Affiliations

  1. Mechanical Engineering Department, Inha University, Incheon, 402-751, Republic of Korea

    Kwang-Yong Kim Dr. Eng. (Professor) & Hong-Min Kim

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  1. Kwang-Yong Kim Dr. Eng.
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  2. Hong-Min Kim
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Correspondence to Kwang-Yong Kim Dr. Eng..

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Kim, KY., Kim, HM. Shape optimization of inclined ribs as heat transfer augmentation device. J. of Therm. Sci. 15, 364–370 (2006). https://doi.org/10.1007/s11630-006-0364-4

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  • DOI: https://doi.org/10.1007/s11630-006-0364-4

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