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The effect of magnetophoresis and Brownian diffusion on the levitation of bodies in a magnetic fluid

V. G. Bashtovoi1 - V. K. Polevikov2 - A. E. Suprun3 - A. V. Stroots3 - S. A. Beresnev2

1 Belarusian National Technical University, 65 Nezavisimosti Ave., Minsk 220013, Belarus
2 Belarusian State University, 4 Nezavisimosti Ave., Minsk 220030, Belarus
3 Ferrolabs Inc., 21525 Ridgetop Circle, Suite 260, Dulles VA 20166, USA

New aspects related to the redistribution of magnetic particles concentration in a magnetic fluid caused by magnetophoresis and Brownian diffusion in a nonuniform magnetic field are considered. These aspects deal with the influence of these processes on the pressure redistribution and levitation of bodies in a magnetic fluid. It is shown that due to these processes the pressure force acting on bodies changes significantly with time and can be reduced dozens of percent if compared to a homogenous fluid. Figs 5, Refs 5.

Magnetohydrodynamics 44, No. 2, 121-126, 2008 [PDF, 0.12 Mb]

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