ANISOTROPIC EFFECTIVE THERMAL CONDUCTIVITY MEASUREMENT OF VARIOUS KINDS OF METAL FIBER MATERIALS
Recently, metal fiber materials were made by laminating the metal fibers with the diameter of about 30 to 300μm. Since the almost metal fibers were oriented in horizontal direction (=the major axis of the fiber), these metal fiber materials are estimated to be anisotropic effective thermal conductivity. However, there is little quantitative data on the anisotropic effective thermal conductivity of the various kinds of metal fiber materials. The purpose of this study is to investigate the anisotropic effective thermal conductivity of various metal fiber materials experimentally and theoretically. In order to measure the horizontal and vertical effective thermal conductivities of these metal fiber materials, the new measurement devices were made. As a result, it is found that the anisotropic effective thermal conductivity of the various metal fiber materials were confirmed, and the horizontal and vertical effective thermal conductivities of these metal fiber materials depend on the bulk density or porosity, Young’s modulus, fiber length and fiber diameter. And the non-dimensional correlation equation of the horizontal effective thermal conductivities of the various kinds of metal fiber materials was derived in terms of various non-dimensional parameters.
Naoto Haruki Akihiko Horibe Keigo Nakashima
Graduate School of Natural Science and Technology,Okayama University Okayama, Japan, 700-8530 Graduate School of Natural Science and Technology, Okayama University Okayama, Japan, 700-8530
国际会议
The Ninth Asian Thermophysical Properties Conference(第九届亚洲热物理性能会议 ATPC 2010)
北京
英文
427-432
2010-10-19（万方平台首次上网日期，不代表论文的发表时间）