Alternating heat diffusion in thermophysical depth profiles: Multilayer and continuous descriptions

被引：25

作者：

Grossel, P ^{[1
]}

Depasse, F ^{[1
]}

机构：

[1] Fac Sci Reims, Lab Energet & Opt, Unite Therm & Analyse Phys, F-51687 Reims 2, France

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 1998年 / 31卷 / 02期

关键词：

D O I：

10.1088/0022-3727/31/2/007

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Multilayer approximations of thermophysical profiles are shown to be numerically consistent with direct analytical solution (when this exists) of the a.c. heat diffusion equation. They are also consistent with analytical approximations of the continuous problem. In case of smooth profiles, the Riccati equation for the thermal waves furnishes one simple approximation of the a.c. temperature for the sample surface which is compared with the multilayer and WKB responses.

引用

页码：216 / 223

页数：8

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