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Short Communications

Experimental estimation of the degree of adiabaticity of a sample when measuring the thermal diffusivity by the temperature waves method

M. Yu. Chernoskutov, A. D. Ivliev, V. V. Meshkov

Russian State Professional Pedagogical University, Ekaterinburg

Abstract: A method for experimental determination of the degree of adiabaticity of a sample when measuring the thermal diffusivity by the temperature waves method is described. Analysis of the thermal diffusivity of ARMCO iron at different temperatures is performed as an example. It is experimentally proven that the twodimensional thermal model gives an adequate description of the temperature-wave propagation in a sample of finite sizes.

UDC: 536.21

Received: 13.01.2016
Accepted: 08.11.2016

DOI: 10.7868/S0040364417030073

 English version: High Temperature, 2017, 55:4, 618–621

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