Peculiarities of spectral dependences of aerosol extinction and scattering coefficients as judged from measurements in artificial smokes

V. N. Uzhegov; V. S. Kozlov; Vas. V. Pol'kin; V. P. Shmargunov

doi:10.1117/12.2575623

12 November 2020 Peculiarities of spectral dependences of aerosol extinction and scattering coefficients as judged from measurements in artificial smokes

V. N. Uzhegov, V. S. Kozlov, Vas. V. Pol'kin, V. P. Shmargunov

Author Affiliations +

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115604Z (2020) https://doi.org/10.1117/12.2575623
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

A series of experiments in smokes of forest needle litter and pine wood in mixed combustion modes has been conducted in the Big Aerosol Chamber (BAC) of the Institute of Atmospheric Optics SB RAS. In the course of long (1-3 days) ageing of smokes, the correlations between the aerosol extinction coefficients in the wavelength range of 0.4 – 3.9 μm and directed scattering coefficients in the wavelength range of 0.46-0.63 μm were studied. The extinction and absorption Angstrom exponents are determined at different relative contributions of the smoldering/flaming modes.

Citation Download Citation

V. N. Uzhegov, V. S. Kozlov, Vas. V. Pol'kin, and V. P. Shmargunov "Peculiarities of spectral dependences of aerosol extinction and scattering coefficients as judged from measurements in artificial smokes", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115604Z (12 November 2020); https://doi.org/10.1117/12.2575623

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