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18 December 2019 Determining temperature and partial pressures of the components of the high-temperature gaseous mixture
Oleg V. Egorov, Olga K. Voitsekhovskaya, Danila E. Kashirskii
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Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1120855 (2019) https://doi.org/10.1117/12.2540835
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation
Abstract
The method of simultaneous determination of the temperature and partial pressures of gaseous mixture components on the basis of measured spectral characteristics is considered. The transmittances of a gaseous mixture consisting of H2O, CO2, CO and NO gases, which were simulated by the line-by-line method using the HITEMP2010 database, are considered. It is shown that the potential accuracy of the method depends only on the agreement between the theoretical and experimental spectra of gases. The influence of the error in the transmittance on the errors in finding the temperature and partial pressures of gases is discussed.
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Oleg V. Egorov, Olga K. Voitsekhovskaya, and Danila E. Kashirskii "Determining temperature and partial pressures of the components of the high-temperature gaseous mixture", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1120855 (18 December 2019); https://doi.org/10.1117/12.2540835
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KEYWORDS
Gases
Transmittance
Spectral resolution
Absorption
Temperature metrology
Databases
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