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A method for determining ultrahigh temperatures

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

The problem of determining high and ultrahigh temperatures is urgent in connection with mastering the technology of new high-power energy sources. The known methods of measuring temperatures by using thermocouples, ultrasound, or optical devices can either be used only over limited temperature ranges or are very difficult to apply in practice. The present article describes a method of determining temperature based on the phenomenon of rethermalization of neutrons. The neutron is used as an agent interacting with the hot medium. When neutrons are scattered by atoms of a hot medium there is a change in their energy spectrum which is uniquely related to the kinetic temperature of the medium. In principle there is no apparent upper limit of the temperatures which can be measured by this method.

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Literature cited

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Authors and Affiliations

  1. Moscow

    V. N. Bogomolov & I. I. Zakharkin

Authors
  1. V. N. Bogomolov
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  2. I. I. Zakharkin
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Additional information

Translated from Zhurnal Prikladnoi Mekhaniki i Tekhnicheskoi Fiziki, No. 3, pp. 8–11, May–June, 1979.

The authors thank G. A. Ilyasova and M. Ya. Bankrashkova for their kind assistance in calculating the neutron energy spectra.

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Bogomolov, V.N., Zakharkin, I.I. A method for determining ultrahigh temperatures. J Appl Mech Tech Phys 20, 266–268 (1979). https://doi.org/10.1007/BF00911678

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  • DOI: https://doi.org/10.1007/BF00911678

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