THE EFFECT OF THE FORM OF THE TRANSVERSE CROSS SECTION OF THE LASER BEAM ON THE ERROR IN DETERMINING THERMAL CHARACTERISTICS BY THE PULSE METHOD

被引：8

作者：

Kuznetsov, G. V. ^{[1
]}

Kats, M. D. ^{[1
]}

机构：

[1] Tomsk Polytech Univ, Tomsk, Russia

来源：

MEASUREMENT TECHNIQUES | 2010年 / 53卷 / 06期

关键词：

thermal characteristics; pulse method; numerical solution; FLASH METHOD;

D O I：

10.1007/s11018-010-9560-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The two-dimensional problem of heat conduction in a cylindrical sample of material is solved numerically when a short heat pulse acts on its surface and the heated region is in the form of a circle. It is shown that the use of a laser beam with a transverse cross section of rectangular form gives a considerably smaller error in determining the thermal characteristics.

引用

页码：674 / 678

页数：5

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