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Methodological Errors of Defining the Thermophysical Characteristics of Materials Using the Laser Pulse Method at High Temperatures

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Methodological errors of defining the thermophysical characteristics of construction materials have been evaluated. Methodological errors are caused by heat exchange of a sample with the environment in conditions corresponding to execution of the laser pulse method at high temperatures. Analysis was done of the effect on methodological errors of heat exchange (as a result of natural convection) with the environment. It has been shown that the laser pulse method can be used to determine thermal diffusivity and thermal capacity of highly heat-conductive wire materials (metals and alloys) at temperatures to 1173 K.

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Authors and Affiliations

  1. National Research Tomsk Polytechnic University, Tomsk, Russia

    G. V. Kuznetsov & M. D. Kats

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  1. G. V. Kuznetsov
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  2. M. D. Kats
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Correspondence to G. V. Kuznetsov.

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Translated from Izmeritel’naya Tekhnika, No. 10, pp. 45–48, October, 2017.

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Kuznetsov, G.V., Kats, M.D. Methodological Errors of Defining the Thermophysical Characteristics of Materials Using the Laser Pulse Method at High Temperatures. Meas Tech 60, 1032–1037 (2018). https://doi.org/10.1007/s11018-018-1314-8

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  • DOI: https://doi.org/10.1007/s11018-018-1314-8

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