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Structure-phenomenological magnetorheological models of aggregated magnetic fluids

E. Yu. Taran - Yu. V. Pridatchenko - V. A. Gryaznova

Faculty of Mechanics and Mathematics, Kyiv Taras Shevchenko National University, 64 Volodymyrska St., 01033 Kyiv, Ukraine

Structure-phenomenological magnetorheological constitutive equations are obtained for dilute suspensions of non-Brownian ellipsoidal microaggregates that appear in magnetic fluids after aggregation of nanoparticles of their disperse phase. Magnetorheological characteristics of such suspensions in a simple shear flow under a transverse magnetic field are investigated for the case of formation of structure anisotropy in the suspensions. Such anisotropy arises due to stationary orientation of suspended microaggregates under the action of hydrodynamic forces and forces of the external magnetic field. Figs 1, Refs 11. } #------------------------------------------------- END_ISSU

Magnetohydrodynamics 40, No. 4, 377-386, 2004 [PDF, 0.15 Mb]

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