Enhanced heat transfer in corrugated plate fin heat sink

Alen Mathew Jose; Manoj Kumar; Anil Kumar Patil

doi:10.1515/kern-2022-0114

Article

Enhanced heat transfer in corrugated plate fin heat sink

Alen Mathew Jose , Manoj Kumar and Anil Kumar Patil

Published/Copyright: March 30, 2023

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From the journal Kerntechnik Volume 88 Issue 3

Abstract

To design a compact heat sink, a simplified geometry, enhanced heat dissipation, and the minimum pressure drop should be taken into consideration. With this objective, an experimental investigation has been conducted with the corrugated plate-fin heat sink by varying the relative radius of corrugation and relative corrugation pitch in the range of 0.16–0.31, and 0.06–0.16, respectively, for the Reynolds number range of 6000–14,000. Experiments were conducted on a corrugated plate-fin heat sink using an open-loop experimental system comprising a test section of a rectangular channel measuring 2300 mm long, 180 mm wide, and 80 mm high. The corrugated fin creates higher disturbances caused by multiple separations and reattachments in the flow and thereby yielding a higher localized heat transfer coefficient and enhanced heat transfer from the system. The maximum fin performance is found to be 5.87 for the corrugated plate-fin heat sink corresponding to the relative radius of corrugation and relative corrugation pitch of 0.16 and 0.125, respectively.

Keywords: corrugated plate-fin heat sink; fin performance; friction factor; Nusselt number; relative corrugation pitch; relative radius of corrugation

Corresponding author: Anil Kumar Patil, Department of Mechanical Engineering, DIT University, Dehradun 248009, Uttarakhand, India, E-mail: akpt1711978@gmail.com

Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2022-12-01

Published Online: 2023-03-30

Published in Print: 2023-06-27

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https://doi.org/10.1515/kern-2022-0114

Keywords for this article

corrugated plate-fin heat sink; fin performance; friction factor; Nusselt number; relative corrugation pitch; relative radius of corrugation