Thermal analysis of an electronic unit

被引：0

作者：

Sundén, B ^{[1
]}

机构：

[1] Lund Inst Technol, Div Heat Transfer, S-22100 Lund, Sweden

来源：

HEAT TRANSFER 1998, VOL 3: GENERAL PAPERS | 1998年

关键词：

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents a numerical investigation of the thermal behavior of an electronic unit. The unit consists of several parallel planes and on the top and bottom planes heat is generated by the electronic chips. The heat is transported by conduction through plastic and copper-invar layers. Finally the heat is rejected by a forced air stream in the center of the unit. The channel system for the cooling air is designed as an offset strip fin surface. A three-dimensional numerical method based on a thermal resistance network has been developed. The grid points on the cooling air Side are staggered compared to the grid points in the solid materials. Details of the numerical method as well as some temperature distributions on the chip planes are provided.

引用

页码：183 / 187

页数：5

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