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TVT, 2009, Volume 47, Issue 3, Pages 371–378 (Mi tvt816)  

This article is cited in 4 scientific papers (total in 4 papers)

Thermophysical Properties of Materials

Problems in measuring the temperature of conductors heated by an electric current pulse

V. Ya. Chekhovskoi, V. E. Peletskii

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow

Abstract: Different methods are considered for measuring the temperature of conductors heated by an electric current pulse. Special attention is given to optical methods. Ways are discussed of designing blackbody models, including those developed recently for measuring the temperature under pulsed heating of small objects to $5000$ K and above. New methods are described for high-speed measurement of the true surface temperature of conductors, namely, laser polarimetry and reflectometry. These methods do not require the use of blackbody model for measuring and investigating the dependence of spectral emissivity on the rate of heating and cooling. The possibility is analyzed of the emergence of specific error in measurements of the temperature of rapidly heated objects, which is due to deviation of the process from thermodynamic equilibrium and, as a result, to the shift of the registered melting temperature with respect to equilibrium.

Full text: PDF file (843 kB)

English version:
High Temperature, 2009, 47:3, 352–358

Bibliographic databases:

UDC: 536.52
PACS: 64.70-D; 07.20.ър
Received: 30.06.2008

Citation: V. Ya. Chekhovskoi, V. E. Peletskii, “Problems in measuring the temperature of conductors heated by an electric current pulse”, TVT, 47:3 (2009), 371–378; High Temperature, 47:3 (2009), 352–358

Citation in format AMSBIB
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\pages 371--378
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\transl
\jour High Temperature
\yr 2009
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\pages 352--358
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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. V. Ya. Chekhovskoi, V. E. Peletskii, “On Relaxation of Point Defects in Metals”, High Temperature, 49:1 (2011), 45–54  mathnet  crossref  isi  elib  elib
    2. V. Ya. Chekhovskoi, V. D. Tarasov, N. V. Grigor'eva, “Contribution of Equilibrium Vacancies to Vanadium Caloric Properties”, High Temperature, 49:6 (2011), 826–831  mathnet  crossref  isi  elib  elib
    3. V. Ya. Chekhovskoi, V. D. Tarasov, “Equilibrium vacancy parameters and limit temperature of nonequilibrium melting in osmium”, High Temperature, 50:6 (2012), 722–727  mathnet  crossref  isi  elib  elib
    4. Onufriev S.V., Savvatimskiy A.I., Kondratyev A.M., “Tantalum Melting Temperature Under Fast (Microseconds) Heating: Overheating Is Not Found”, High Temp.-High Press., 43:2-3, SI (2014), 217–226  isi
  • Teplofizika vysokikh temperatur Teplofizika vysokikh temperatur
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