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VOLUME 101 | ISSUE 1 | PAGE 14
Confinement of inertial particles in viscous boundary layer of turbulent flow
Abstract
We examine space and momentum probability distribution of inertial particles when they are placed in the viscous boundary sublayer of a turbulent flow. We demonstrate that at varying elasticity of the particle collisions with the wall the confinement-deconfinement transition occurs: at β<βc the particles are blocked near the wall whereas at β>βc they gradually pass into bulk. Here β is elasticity coefficient and \beta_c=\exp(-
\pi/\sqrt 3).