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Azimuthal dependence of the acoustomagnetic effect in magnetic fluids

I. A. Shabanova1 , A. M. Storozhenko1 , A. O. Tantsyura1 , I. M. Aref'ev2

1 Southwest State University, 94, 50 let Oktyabrya str., 305040 Kursk, Russia
2 Ivanovo Power Engineering University, 34 Rabfakovskaya str., 153003 Ivanovo, Russia

Abstract
The paper describes the results on measuring the dependence of the acoustomagnetic effect on the angle between the magnetic field and the measuring inductive coil. We measured the sound speed in a magnetic fluid-glass tube system for two samples of nanodispersed magnetic fluid. The samples are disperse systems of single-domain magnetite particles in a hydrocarbon (kerosene, mineral oil) medium stabilized by oleic acid. The results are in good agreement with the previously published theory. One can use our experimental data to calculate physical (magnetic and geometric) parameters of magnetic nanoparticles applying acoustogranulometric technique. Tables 2, Figs 4, Refs 16.

Magnetohydrodynamics 54, No. 1/2, 115-120, 2018 [PDF, 0.16 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