The effective thermal conductivity of three-dimensional reticulated foam materials

被引：0
|
作者：
Weigang Xu
Hongtao Zhang
Zhenming Yang
Jinsong Zhang
机构：
[1] Institute of Metal Research,
[2] Chinese Acadamy of Sciences,undefined
来源：
Journal of Porous Materials | 2009年 / 16卷
关键词：
Porous media; Effective thermal conductivity; Experimental investigation; FEM analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, the effective thermal conductivity keff of three-dimensional (3D) reticulated SiC foams were investigated through experimental and numerical methods. The results showed that the keff of SiC foams increases as the volume fraction f increases from 30% to 50%. However, there are no systematic changes detected in keff when the cell size of the foam varies at a fixed volume fraction. The keff of SiC foams as a function of f was obtained. Compared the experimental results with the calculated ones, it indicated that the outcome can be widely applied in estimating the effective thermal conductivity of other foam materials.
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页码：65 / 71
页数：6
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