Relationships between aerosol absorption, scattering and extinction of radiation in combustion and pyrolysis smokes

Victor N. Uzhegov; Valerii S. Kozlov; Igor B. Konovalov; Mikhail V. Panchenko; Polina N. Zenkova; Vasilii V. Polkin; Vladislava A. Romashchenko; Dmitriy G. Chernov; Vladimir P. Shmargunov; Elena P. Yausheva

doi:10.1117/12.2644803

7 December 2022 Relationships between aerosol absorption, scattering and extinction of radiation in combustion and pyrolysis smokes

Victor N. Uzhegov, Valerii S. Kozlov, Igor B. Konovalov, Mikhail V. Panchenko, Polina N. Zenkova, Vasilii V. Polkin, Vladislava A. Romashchenko, Dmitriy G. Chernov, Vladimir P. Shmargunov, Elena P. Yausheva

Author Affiliations +

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 123412W (2022) https://doi.org/10.1117/12.2644803
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

A series of simultaneous measurements of the spectral aerosol extinction coefficients at wavelengths of 0.45-3.9 μm, angular scattering and absorption in the wavelength range of 0.46-0.63 μm in pine combustion smokes was carried out in the Big Aerosol Chamber of IAO (BAC) in 2019-2021. Relationships between the aerosol optical characteristics at the initial stage of smoke formation are considered depending on: a) the value of the mass mixing parameter for open flame combustion (generation of black carbon microparticles) and smoldering combustion (brown carbon particles); b) the total mass of the combusted material. The spectral dependences of the aerosol scattering and absorption coefficients of pyrolysis (12 realizations) and mixed (28 realizations) smokes in the wavelength range from 0.45 to 3.9 μm were estimated.

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Victor N. Uzhegov, Valerii S. Kozlov, Igor B. Konovalov, Mikhail V. Panchenko, Polina N. Zenkova, Vasilii V. Polkin, Vladislava A. Romashchenko, Dmitriy G. Chernov, Vladimir P. Shmargunov, and Elena P. Yausheva "Relationships between aerosol absorption, scattering and extinction of radiation in combustion and pyrolysis smokes", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 123412W (7 December 2022); https://doi.org/10.1117/12.2644803

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