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Spectral pyrometry of objects with a nonuniform temperature

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Abstract

The temperature of transparent gas flame (T ≈ 1900 K) is determined from the thermal radiation spectrum without using emittance data. The relation connecting the values of temperature calculated from the integrated spectrum of the entire glowing region of the flame with the maximal and arithmetic mean value is considered. Simulation is used to prove that the difference between the measured and maximal temperatures of a nonuniformly heated object in the Wien spectrum detection region does not exceed 10%.

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Authors and Affiliations

  1. Research Institute of Perspective Materials and Technologies, Moscow State Institute of Electronics and Mathematics (Technical University), B. Trekhsvyatitel’skii per. 3, Moscow, 115054, Russia

    A. N. Magunov

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  1. A. N. Magunov
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Correspondence to A. N. Magunov.

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Original Russian Text © A.N. Magunov, 2010, published in Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 80, No. 7, pp. 78–82.

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Magunov, A.N. Spectral pyrometry of objects with a nonuniform temperature. Tech. Phys. 55, 991–995 (2010). https://doi.org/10.1134/S1063784210070121

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  • DOI: https://doi.org/10.1134/S1063784210070121

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