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Damping of an oscillatory system with incomplete sealing of the air cavity by magnetic fluid

V. M. Polunin , P. A. Ryapolov , E. V. Shel'deshova , G. V. Karpova , V. M. Paukov

Southwest State University, Kursk, Russia

Abstract
The article presents results of an experimental study on damping an oscillatory system with incomplete sealing of the air cavity by a magnetic fluid. The sealing degree varies due to the process of gas pumping through capillaries of different radii. The proposed relaxation theory of a capillary oscillating gas flow predicts abnormally large values of the damping coefficient and almost complete damping of the oscillatory system with a magneto-fluid inertial element. The obtained data are of applied importance. Tables 4, Figs 3, Refs 18.

Magnetohydrodynamics 56, No. 4, 377-392, 2020 [PDF, 0.25 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X
DOI: http://doi.org/10.22364/mhd