Optimum design-parameters of a heat exchanger having hexagonal fins

Kenan Yakut; Nihal Alemdaroglu; Bayram Sahin; Cafer Celik

doi:10.1016/j.apenergy.2005.01.007

Optimum design-parameters of a heat exchanger having hexagonal fins

Kenan Yakut^*
, Nihal Alemdaroglu
, Bayram Sahin
, Cafer Celik

^*Corresponding author for this work

Ataturk University

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

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.

Original language	English
Pages (from-to)	82-98
Number of pages	17
Journal	Applied Energy
Volume	83
Issue number	2
DOIs	https://doi.org/10.1016/j.apenergy.2005.01.007
Publication status	Published - Feb 2006
Externally published	Yes

Funding

This research was supported by the BAP-2003/53 project of the Research Fund of Ataturk University and performed in the laboratories of the Mechanical Engineering Department, Engineering Faculty, Ataturk University.

Funders
Ataturk University

Keywords

Cooling of electronics
Heat-transfer enhancement
Hexagonal fins
Taguchi methods

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10.1016/j.apenergy.2005.01.007

Cite this

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title = "Optimum design-parameters of a heat exchanger having hexagonal fins",

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.",

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author = "Kenan Yakut and Nihal Alemdaroglu and Bayram Sahin and Cafer Celik",

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TY - JOUR

T1 - Optimum design-parameters of a heat exchanger having hexagonal fins

AU - Yakut, Kenan

AU - Alemdaroglu, Nihal

AU - Sahin, Bayram

AU - Celik, Cafer

PY - 2006/2

Y1 - 2006/2

N2 - 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.

AB - 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.

KW - Cooling of electronics

KW - Heat-transfer enhancement

KW - Hexagonal fins

KW - Taguchi methods

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DO - 10.1016/j.apenergy.2005.01.007

M3 - Article

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VL - 83

SP - 82

EP - 98

JO - Applied Energy

JF - Applied Energy

IS - 2

ER -

Optimum design-parameters of a heat exchanger having hexagonal fins

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