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Hydrodynamics and energy dissipation in low energy magnetic fluid damper

V. Bashtovoi1 - D. Kabachnikov1 - A. Reks1 - L. Suloeva1 - G. Bossis2 - O. Volkova2

1 Laboratory of Thermomechanics of Magnetic Fluids, Belarussian State Polytechnical Academy, Minsk, 220027 Belarus
2 Laboratoire de Physique de la Matière CondenséeUniversite de Nice, Parc Valrose, 06108 Nice, France

Hydrodynamic and dissipating processes in an oscillating drop of magnetic fluid, are studied theoretically and experimentally. This is applied to the study of damping of a cantilever whose free extremity is placed between two such drops. The dependen-cies of the decrement of the oscillations on the geometrical characteristics of the drop, the fluid viscosity, and the external magnetic field are described by a theoreti-cal model and are shown to well predict the experimental results. Table 1, Figs 8, Refs 7.

Magnitnaya Gidrodinamika 36, No. 3, 233-240, 2000 [PDF, 0.33 Mb]
Magnetohydrodynamics 36, No. 3, 190-196, 2000 [PDF, 0.63 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X