This article is cited in 2 papers

MECHANICS

Research of motion of a dense bed of a granular medium and mixing process in a tapered channel

A. V. Shvab, M. S. Martsenko

Tomsk State University

Abstract: Hydrodynamics and homogenization process of a mixture of high-concentrated granular medium in a vertical tapered channel using rheological model of fluid are investigated. The model invokes a specific independent empirical coefficient taking into account the slip of particles on a solid surface. The resulting velocity profile based on the model is compared with experimental data. Modeling of the process of granular medium homogenization on the base of the computed velocity field is presented.

Keywords: non-Newtonian fluid, velocity, concentration, granular medium, slip conditions, homogenization of mixture, coefficient of nonuniformity.

UDC: 532.135+678.053.3


Accepted: June 18, 2010