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Optimum design-parameters of a heat exchanger having hexagonal fins

Author

Listed:
  • Yakut, Kenan
  • Alemdaroglu, Nihal
  • Sahin, Bayram
  • Celik, Cafer

Abstract

In the present study, the effects of the heights and widths of the hexagonal fins, streamwise and spanwise distances between fins, and flow velocity on the heat and pressure-drop characteristics were investigated using the Taguchi experimental-design method. Nusselt number and friction factor were considered as performance statistics. An L18(21*37) orthogonal array was selected as the experimental plan for the five parameters mentioned above. While the optimum parameters were determined, the trade-off among goals was considered. First of all, each goal was optimized, separately. Then, all the goals were optimized together, considering the priority of the goals, and the optimum results were found to be a fin width of 14 mm, a fin height of 150 mm, spanwise distance between fins of 20 mm, and streamwise distance between fins of 20 mm for a flow velocity of 4 m/s.

Suggested Citation

  • Yakut, Kenan & Alemdaroglu, Nihal & Sahin, Bayram & Celik, Cafer, 2006. "Optimum design-parameters of a heat exchanger having hexagonal fins," Applied Energy, Elsevier, vol. 83(2), pages 82-98, February.
    • Handle: RePEc:eee:appene:v:83:y:2006:i:2:p:82-98
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    References listed on IDEAS

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    1. Tahat, M. & Kodah, Z. H. & Jarrah, B. A. & Probert, S. D., 2000. "Heat transfers from pin-fin arrays experiencing forced convection," Applied Energy, Elsevier, vol. 67(4), pages 419-442, December.
    2. Yakut, Kenan & Sahin, Bayram & Celik, Cafer & Alemdaroglu, Nihal & Kurnuc, Aslihan, 2005. "Effects of tapes with double-sided delta-winglets on heat and vortex characteristics," Applied Energy, Elsevier, vol. 80(1), pages 77-95, January.
    3. Tahat, M.A. & Babus'Haq, R.F. & Probert, S.D., 1994. "Forced steady-state convections from pin-fin arrays," Applied Energy, Elsevier, vol. 48(4), pages 335-351.
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    6. Aghaie, Alireza Zamani & Rahimi, Asghar B. & Akbarzadeh, Alireza, 2015. "A general optimized geometry of angled ribs for enhancing the thermo-hydraulic behavior of a solar air heater channel – A Taguchi approach," Renewable Energy, Elsevier, vol. 83(C), pages 47-54.

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