PHOTOACOUSTIC DETERMINATION OF THERMOPHYSICAL PROPERTIES OF THIN METALLIC PLATES USING PARAMETER-ESTIMATION

被引：11

作者：

KIM, SW

LEE, J

TAYLOR, RE

机构：

[1] Thermophysical Properties Research Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, 47906, Indiana

来源：

INTERNATIONAL JOURNAL OF THERMOPHYSICS | 1991年 / 12卷 / 06期

关键词：

PARAMETER ESTIMATION; PHOTOACOUSTIC TECHNIQUE; THERMAL DIFFUSIVITY; THERMAL EFFUSIVITY;

D O I：

10.1007/BF00503519

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The phase and the amplitude of the photoacoustic signal were measured as a function of chopping frequency for several kinds of widely used thin metallic plates (stainless steel 304, brass, aluminum, and copper) attached to plexiglass backing. The experimental data have been analyzed systematically by parameter estimation technique based on the two-layer model developed from Rosencwaig-Gersho (R-G) theory. Using this analysis, the values of thermal diffusivity and thermal effusivity of the materials have been determined.

引用

页码：1063 / 1075

页数：13

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