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Cooling performance of a radial heat sink with triangular fins on a circular base at various installation angles

Title
Cooling performance of a radial heat sink with triangular fins on a circular base at various installation angles
Author
육세진
Keywords
Natural convection; Radial heat sink; Triangular fin; Thermal resistance; Installation angle
Issue Date
2017-10
Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
Citation
INTERNATIONAL JOURNAL OF THERMAL SCIENCES, v. 120, page. 377-385
Abstract
In this study, a generalized shape of the heat sink for most of the commercial LED light bulbs was considered. The thermal resistance of a radial heat sink with triangular fins on a circular base was investigated at different angles. A numerical model with the consideration of natural convection and radiation was established to investigate the effects of the Rayleigh number, finning factor, porosity factor, installation angle, and radius of the heat sink base. The numerical model was validated through experiment. Then, based on numerical results, a correlation was suggested to estimate the degree of enhancement of cooling performance between the radial heat sinks with and without triangular fins. (C) 2017 Elsevier Masson SAS. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S1290072916316180?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/115995
ISSN
1290-0729; 1778-4166
DOI
10.1016/j.ijthermalsci.2017.06.022
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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