Vol. 15, issue 05-06, article # 27

Beresnev S. A., Ryvkin D. D., Pasechnik A. S. Deposition of aerosol particles on surface: the model of gas-kinetic interaction and results for thermophoretic deposition. // Atmospheric and oceanic optics. 2002. V. 15. No. 05-06. P. 480-486. PDF
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The results of theoretical analysis of deposition of aerosol particles on a surface are presented. A gas-kinetic model of elementary particle-surface interaction processes allowing for different kinds of gas inhomogeneities is proposed. Classification schemes for deposition modes based on introduction of three Knudsen numbers are discussed. The problem of thermophoretic deposition normal to the surface is formulated, and the results for free-molecular and viscous slip-flow deposition modes are presented. A method is proposed to take into account the Brownian diffusion of submicron aerosol particles. The connection of the gas-kinetic model developed with the dynamic particle-surface interaction models is considered.