用闪光法测不良导体热导率  

Measuring thermal conductivity of poor conductor with flash method

作　　者：杨光[1] 姚坤[1] 孙翠娥[1] 段家忯[1] 

机构地区：[1]北京大学物理系

出　　处：《物理实验》2001年第4期11-13,21,共4页Physics Experimentation

摘　　要：介绍了用闪光脉冲非稳态法测不良导体热导率的实验原理、装置及实验过程 ,给出了两种样品热导率的测量结果 .The principle,instrument and process of the experiment on measuring thermal conductivity of poor conductor using flash pulse unstable method was introduced.The measurement results of thermal conductivity of two samples were given.

关 键 词：闪光法 热导率 数字-模拟/模拟-数字转换 热扩散率 光学系统 测温系统 数据采集 散热修正 

分 类 号：O482.22[理学—固体物理]