Qualitative analysis of the processes of aerosol propagation in a containment

Characteristic times of the removal of aerosols are evaluated for different processes of deposition. Gas flows in a containment in the presence of suspended particles of various concentrations have been analyzed. A mathematical model is suggested for describing the propagation and deposition of aerosols under the conditions of large-scale convection.Notation n concentration of a particle - r radius of a particle - U particle velocity - A surface area - p _s density of a solid particle - p _g density of a gas - time - g free fall acceleration - coefficient of molecular diffusion - _d boundary layer dimension - k Boltzmann constant - T surrounding-gas temperature - B particle mobility - v kinematic viscosity - S(r, t) source of aerosols - parameter characterizing the density of a set of particles - Sk Stokes number Institute of Radiative Physicochemical Problems of the Belorussian Academy of Sciences Minsk. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 64, No. 4, pp. 426–432, April, 1993.