A comparative study of the airside performance of heat sinks having pin fin configurations

Kai Shing Yang, Wei Hsin Chu, Ing Yong Chen, Chi-Chuan Wang*

*Corresponding author for this work

研究成果: Article

53 引文 斯高帕斯(Scopus)

摘要

This study performs an experimental study of pin fin heat sinks having circular, elliptic, and square cross-section. A total of twelve pin fin heat sinks with inline and staggered arrangements were made and tested. The effect of fin density on the heat transfer performance is examined. For an inline arrangement, the circular pin fin shows an appreciable influence of fin density whereas no effect of fin density is seen for square fin geometry. This is associated with the unique deflection flow pattern accompanied with the inline circular fin configuration. For the staggered arrangement, the heat transfer coefficient increases with the rise of fin density for all the three configurations. The elliptic pin fin shows the lowest pressure drops. For the same surface area at a fixed pumping power, the elliptic pin fin possesses the smallest thermal resistance for the staggered arrangement.

原文English
頁(從 - 到)4661-4667
頁數7
期刊International Journal of Heat and Mass Transfer
50
發行號23-24
DOIs
出版狀態Published - 1 十一月 2007

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