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首页> 外文期刊>International Journal of Heat and Mass Transfer >Conjugate heat conduction in filled composite materials considering interactions between the filler and base materials
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Conjugate heat conduction in filled composite materials considering interactions between the filler and base materials

机译：考虑到填料和基础材料之间的相互作用，在填充的复合材料中共轭导热

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摘要

It is common to use fillers to increase the thermal conductivity of polymer materials. Filler conductivity and filler content have been identified as the dominating factors influencing the overall effective thermal conductivity of composite materials. The interactions between the fillers and the base materials have been seldom considered. This research addresses this problem by solving the heterogeneous two-dimensional conjugate heat conduction problem in the composite materials. The interactions between the fillers and the base materials are considered. It is found that the filler shapes and their orientation angles have great impacts on the effective thermal conductivity of the composite materials. Of the various shapes, the I shaped fillers are the best choice for composite polymer materials. The influences of filler shapes and angles explain the reason why there are large discrepancies between the measured data and the available correlations in literature, which were searched for many years for the accurate predictions of the effective thermal conductivity of composite materials. The slices fillers are effective only when they are distributed parallel to heat flow directions. Currently the I shaped and T shaped fillers are promising and they should be used for future materials fabrications.
机译：通常使用填料来增加聚合物材料的导热率。填料的电导率和填料含量已被确定为影响复合材料总体有效导热率的主要因素。很少考虑填料与基础材料之间的相互作用。本研究通过解决复合材料中的异质二维共轭导热问题解决了这一问题。考虑填料与基础材料之间的相互作用。发现填料的形状及其取向角对复合材料的有效导热性有很大影响。在各种形状中，I形填充物是复合聚合物材料的最佳选择。填料形状和角度的影响解释了实测数据与文献中可用的相关性之间存在巨大差异的原因，对这种材料进行了多年的研究以准确预测复合材料的有效导热系数。切片填充剂仅在平行于热流方向分布时才有效。目前，I形和T形填充剂是有前途的，应将它们用于将来的材料制造中。

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  • 来源
  • 作者

    Li-Zhi Zhang; Xiao-Jian Wang; Yun-Yun Quan; Li-Xia Pei;

  • 作者单位

    Key Laboratory of Enhanced Heat Transfer and Energy Conservation of Education Ministry, School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou 510640, China,State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China;

    Key Laboratory of Enhanced Heat Transfer and Energy Conservation of Education Ministry, School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou 510640, China;

    Key Laboratory of Enhanced Heat Transfer and Energy Conservation of Education Ministry, School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou 510640, China;

    Key Laboratory of Enhanced Heat Transfer and Energy Conservation of Education Ministry, School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou 510640, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Conjugate heat conduction; Composite materials; Thermal conductivity; Fillers; I shape; T shape;

    机译：共轭导热;复合材料;导热系数;填充物;我塑造;T形;

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