Optimum design parameters of a heat exchanger

Bayram Sahin*, Kenan Yakut, Isak Kotcioglu, Cafer Celik

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

73 Citations (Scopus)

Abstract

In this study, the effects of the longitudinal and lateral seperations of consecutively enlarged-contracted arranged fin pairs, widths of the fins, angle of attack, heights of 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 parameters. An L18(21*37) orthogonal array was selected as an experimental plan for the eight parameters mentioned above. 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 fin width of 15 mm, angle of attack of 15°, fin height of 100 mm, span-wise distance between fins of 20 mm, stream-wise distance between fins of 10 mm, span-wise distance between slices of 20 mm, stream-wise distances between slices of 20 mm at a flow velocity of 4 m/s.

Original languageEnglish
Pages (from-to)90-106
Number of pages17
JournalApplied Energy
Volume82
Issue number1
DOIs
Publication statusPublished - Sept 2005
Externally publishedYes

Funding

This research was supported as project (BAP-2003/53) of the Research Fund of Ataturk University.

FundersFunder number
Ataturk University

    Keywords

    • Electronics cooling
    • Forced air cooling
    • Heat-transfer enhancement
    • Taguchi method

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