Abstract

This paper describes a pyrometer that measures the continuum radiation from particles in a flame or explosion at three wavelengths (0.8 μm, 0.9 μm, and 1.0 μm). The particle temperature is calculated from the radiation data using the Planck equation. Temperatures measured for coal dust explosions in a closed vessel are presented.

© 1979 Optical Society of America

Pyrometer for Measurement of Instantaneous Temperatures of Flames*

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Three-wavelength light transmission technique to measure smoke particle size and concentration

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Appl. Opt. 18(11) 1763-1769 (1979)

Turbine blade temperature error as measured with an optical pyrometer under different wavelengths and blade TBC thickness

Dong Li, Chi Feng, Ketui Daniel, Shan Gao, Liwei Chen, and Ziyang Kang
Appl. Opt. 58(7) 1626-1630 (2019)

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Fred W. Paul
Appl. Opt. 3(2) 297-301 (1964)

Radiation temperature measurement method for semitransparent materials using one-channel infrared pyrometer

Tairan Fu, Jiangfan Liu, and Anzhou Zong
Appl. Opt. 53(29) 6830-6839 (2014)