带有椭圆粒子的TIMs的热特性

2010 26th Annual IEEE Semiconductor Thermal Measurement and Management Symposium (SEMI-THERM) Pub Date : 2010-04-08 DOI:10.1109/STHERM.2010.5444306

R. Khiabani, Y. Joshi, C. Aidun

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引用次数: 1

摘要

在本研究中，采用悬浮颗粒的直接数值模拟来表征TIMs的传热特性。计算方法基于热格-玻尔兹曼法的求解。在此基础上，可以预测载荷、导热系数和粒径等颗粒参数对TIM热阻的影响。还考虑了颗粒形状的影响。研究了不同纵横比的椭圆粒子。圆柱粒子是一种特殊情况，其长径比为1。结果与现有数据进行了比较。研究结果可用于TIM的热性能设计。

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Thermal characteristics of TIMs with elliptical particles

In this study, direct numerical simulations of suspended particles are used to characterize the heat transfer properties of TIMs. The computational method is based on the solution of a thermal lattice-Boltzmann method. Based on the simulations, the effect of particle parameters such as loading, thermal conductivity and size on the thermal resistance of the TIM can be predicted. The effect of particle shape is also considered. Elliptical particles with different aspect ratios are examined. Cylindrical particle is a special case with aspect ratio of 1. The results are compared with existing data. The results can be used to design TIM for better thermal performance.

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2010 26th Annual IEEE Semiconductor Thermal Measurement and Management Symposium (SEMI-THERM)

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