An Experimental Investigation on Performance of Heat Transfer Using Heat Sink of Different Shape for Electronic Applications

S Sushma; T K Chandrashekar

doi:10.17485/IJST/v14i35.1179

Article

An Experimental Investigation on Performance of Heat Transfer Using Heat Sink of Different Shape for Electronic Applications

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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v14i35.1179

Year: 2021, Volume: 14, Issue: 35, Pages: 2789-2801

Original Article

An Experimental Investigation on Performance of Heat Transfer Using Heat Sink of Different Shape for Electronic Applications

S Sushma^1*, T K Chandrashekar²

¹Assistant professor, Department of Mechanical Engineering, Channabasaveshwara Institute of Technology, NH 206, B.H Road, Gubbi, 572216, India
²Professor, Department of Mechanical Engineering, RNS Institute of Technology, Chennasandra, Uttarahalli main road, Bangalore, 560060, India

*Corresponding Author
Email: [email protected]

Received Date:25 June 2021, Accepted Date:13 October 2021, Published Date:30 October 2021

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: To enhance heat transfer by using different shaped heat sinks. Method: The results from the experimental forced convection are compared for different heat sinks like honeycomb-shaped, radial-shaped, and flaredshaped. The experiment is conducted by varying the voltage input and the heat dissipation is compared. Also, certain other parameters like surface temperature, Nusselt number, Reynolds number, and effectiveness are found. The heat sink which has greater Nusselt number and heat transfer coefficient along with lower thermal resistance are considered as a comparatively better heat sink. Findings: Experimental analysis shows that the Honey comb shaped heat sink for 100V of voltage input has higher heat transfer coefficient which is more by 20.01% and 22.73%, also shows higher Nusselt number by 9.7% and 8.9% along with decrease in thermal resistance by 20.1% and 22.73% with respect to radial and flared heat sinks respectively. Novelty: It leads to findings of different shaped heat sink, which can be used in electronic components for better heat dissipation.

Keywords: Brass material; convection (forced); Experimental setup; heat sink; performance comparison

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Copyright

© 2021 Sushma & Chandrashekar. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)