PHOTOACOUSTIC MEASUREMENT OF THE THERMAL-PROPERTIES OF 2-LAYER SYSTEMS

被引：127

作者：

MANSANARES, AM ^{[1
]}

BENTO, AC ^{[1
]}

VARGAS, H ^{[1
]}

LEITE, NF ^{[1
]}

MIRANDA, LCM ^{[1
]}

机构：

[1] INST PESQUISAS ESPACIAIS,ASSOCIADO SENSORES & MAT LAB,BR-12201 SAO JOSE CAMPOS,BRAZIL

来源：

PHYSICAL REVIEW B | 1990年 / 42卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.42.4477

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Using two different photoacoustic techniques for a two-layer system of variable thickness, we show that the thermal diffusivity and the thermal conductivity are completely determined, based upon the effective-sample model widely used in heat-transfer problems. A procedure to establish a standard photothermal technique for measuring both the thermal diffusivity and the thermal conductivity is also discussed. © 1990 The American Physical Society.

引用

页码：4477 / 4486

页数：10

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