Enhancement of the forced convective heat transfer on mini pin fin heat sinks with micro spiral fins

被引：0
|
作者：
Osot Khonsue
机构：
[1] Rajamangala University of Technology Isan Sakonnakhon,Department of Mechanical Engineering
来源：
Heat and Mass Transfer | 2018年 / 54卷
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摘要：
This research is an experimental study on the characteristics of heat transfer and pressure drop in mini heat sinks using air as the working fluid. The experiments were performed under a constant heat flux ranging from 9.132–13.698 kW/m2 and the air Reynolds number range 322–1982. Three different types of mini heat sinks were rectangle pin fins, cylindrical pin fins, and spiral pin fins with 36x28x9 mm and 5 mm fins high. There were 63 fins altogether and all were made of aluminum. The results showed that the characteristics of the temperature of heat sink of spiral pin fins was the least. Meanwhile the average heat transfer coefficient and Nusselt number of spiral pin fins were the most. Regarding the pressure drop, the rectangular pin fins was the least. The results of this study can be used to guide the design and development of electronic devices cooling system with forced convective heat transfer for higher performance in the future.
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页码：563 / 570
页数：7
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