NDLI: Multi-objective optimization of a radial heat sink considering radiation effect

Content Provider	IEEE Xplore Digital Library
Author	Daeseok Jang Seung-Hwan Yu Kwan-Soo Lee
Copyright Year	2011
Description	Author affiliation: School of Mechanical Engineering, Hanyang University, 17 Haengdang-dong, Sungdong-gu, Seoul, 133-791, Korea (Daeseok Jang; Seung-Hwan Yu; Kwan-Soo Lee)
Abstract	A radial heat sink was investigated, considering both natural convection and radiation. Experiments were performed to validate numerical results and a close agreement was found. The effect of radiation on total heat transfer was examined by varying emissivity, and it was found that the maximum radiation contribution was 27%. The radial heat sink was optimized to maximize thermal performance. The thermal performance was enhanced by 12.3% while the mass increased by 20%. Radiation (emissivity) had a significant effect on the optimum long fin length when only thermal performance was considered. The average thermal resistance decreased by 8.7% for the optimized model with the same mass as the reference model, and the effect of radiation on total heat transfer was greater than the effect of natural convection.
Starting Page	726
Ending Page	729
File Size	816680
Page Count	4
File Format	PDF
ISBN	9781457719837
e-ISBN	9781457719820
e-ISBN	9781457719813
DOI	10.1109/EPTC.2011.6184514
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-07
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heat sinks Heat transfer Light emitting diodes Optimization Electronic packaging thermal management Heating Numerical models
Content Type	Text
Resource Type	Article

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