Recent developments in applied mathematics and mechanics: theory, experiment and practice. Devoted to the 80th anniversary of academician N.N.Yanenko

Akademgorodok, Novosibirsk, Russia, June 24 - 29, 2001

Abstracts

Siberian participants

Numerical research of non-stationary flow between two rotating disk elements in the air - centrifugal qualifier.

Zaharchenova O.S.

Tomsk state university,
a faculty of the phisical-technical (Tomsk)

The principle of particles separation by there sizes in the air - centrifugal qualifier is based on a competitiveness of two forces - mass and surface force of an aerodynamic resistance of the particles. In the present work the twisted non-stationary flow of a viscous incompressible liquid between two rotating disks in a centrifuge is considered. For the definition of the gas stream velocities the equations of Navier - Stocks are used. They derived in terms of a curl, a flow function and a circle component of the velocity variables and solved by a generalized method of the alternating directions in a delta form. In this work the influence of frequency and amplitude of a source radial velocity component oscillation on modifications of the solid particle velocity vector is analyzed.

Note. Abstracts are published in author's edition

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