Effect of the angle of inclination of a plate shield on the thermal and hydraulic performance of a plate-fin heat sink

被引：23

作者：

Tsai, Go-Long ^{[1
]}

Li, Hung-Yi ^{[2
]}

Lin, Chien-Cheng ^{[1
]}

机构：

[1] Natl Taipei Univ Technol, Dept Vehicle Engn, Taipei 10626, Taiwan

[2] Huafan Univ, Dept Mech Engn, Taipei 22301, Taiwan

来源：

INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2010年 / 37卷 / 04期

关键词：

Inclined shield; Electronic cooling; Plate-fin heat sink; CFD; FLOW BYPASS; FLUID-FLOW; STRIP FIN; ARRAY;

D O I：

10.1016/j.icheatmasstransfer.2010.01.002

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Using CFD software FLUENT, we investigated the effect of the angle of inclination of a plate heat shield on the thermal and hydraulic performance of a plate-fin heat sink. The variation of this angle causes a substantial and complicated variation of the flow field in space both upstream and downstream near such a heat sink. This distinctive behavior modifies the pressure drop between the inlet and outlet of the investigated duct, but that variation influences only slightly the flow field in the space from fin to fin, and thus the thermal resistance of the heat sink. This trend is further smoothed with increasing Reynolds number and height of the heat sink. As a compromise between the demands of small thermal resistance and a small pressure drop, the angle of inclination of a plate heat shield must be chosen carefully. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：364 / 371

页数：8

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