SOME SCALING RULES FOR THE OVERALL THERMAL-CONDUCTIVITY IN POROUS MATERIALS

被引：5
|
作者：
TZOU, DY
LI, J
机构：
[1] Department of Mechanical Engineering, University of New Mexico, Albuquerque
来源：
JOURNAL OF COMPOSITE MATERIALS | 1995年 / 29卷 / 05期
关键词：
D O I：
10.1177/002199839502900505
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The overall thermal conductivity in an isotropic porous medium containing cavities of various shapes is studied in this work. The cavity shapes under consideration include spherical and cylindrical pores, prolate and oblate spheroids, and cylindrical cavities with rectangular cross sections. The unique feature lies in the derivation of the scaling rules governing the overall thermal conductivity in porous media containing various shapes of internal cavities. The temperature distribution around the representative cavity surface, the central quantity in the present differential formulation, is obtained by the boundary element method employing the exterior formulation.
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页码：634 / 652
页数：19
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