Evaluation of the complete evaporation time for atmospheric aerosol drops with regard to concentration and temperature jumps at their surfaces and unsteady evaporation process

M. K. Kuzmin; A. S. Khasanov

doi:10.1117/12.2286731

30 November 2017 Evaluation of the complete evaporation time for atmospheric aerosol drops with regard to concentration and temperature jumps at their surfaces and unsteady evaporation process

M. K. Kuzmin, A. S. Khasanov

Author Affiliations +

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 104665E (2017) https://doi.org/10.1117/12.2286731
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

Unsteady evaporation process is considered in the case when a quiescent spherical aerosol drop is suspended in a binary gaseous mixture. The molecules of the first component of the mixture are the molecules of the substance of the drop, the molecules of the second component are the molecules of a carrier gas. The Knudsen number is considered to be not so small that influence of the Knudsen layer may be disregarded. The concentration and temperature jumps near the surface of the drop are taken into account when considering the influence of this layer on the unsteady evaporation process of the drop. An approximate formula for the complete evaporation time of the aerosol drop is obtained as a function of its initial radius. The corresponding graphs are presented in the case of evaporation of aerosol water drops in the atmosphere.

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M. K. Kuzmin and A. S. Khasanov "Evaluation of the complete evaporation time for atmospheric aerosol drops with regard to concentration and temperature jumps at their surfaces and unsteady evaporation process ", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104665E (30 November 2017); https://doi.org/10.1117/12.2286731

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