Nonlinear effects in laser flash thermal diffusivity measurements

被引：2
|
作者：
Gembarovic, J [1 ]
Gembarovic, J [1 ]
机构：
[1] TPRL Inc, W Lafayette, IN 47906 USA
来源：
INTERNATIONAL JOURNAL OF THERMOPHYSICS | 2004年 / 25卷 / 04期
关键词：
laser flash method; nonlinear heat conduction; numerical algorithm; temperature distribution;
D O I：
10.1023/B:IJOT.0000038513.25928.23
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The numerical solution of the nonlinear heat conduction equation is used to analyze nonlinear effects in the laser. ash method, when the thermophysical parameters of the sample depend on the temperature. A parameter estimation technique is proposed to determine the temperature dependence of the thermal diffusivity from a response curve. Computer generated data, as well as real experimental data, were used to demonstrate the reliability of the technique.
引用
收藏
页码：1253 / 1260
页数：8
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