Volume 85, Number 1, January 2009
|Number of page(s)||5|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||07 January 2009|
Effect of the strong magnetic field on the magnetic interaction between two non-magnetic particles migrating in a conductive fluid
Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven Kasteelpark Arenberg 44, BE-3001 Heverlee (Leuven), Belgium, EU
2 Department of Electrical Engineering, Katholieke Universiteit Leuven Kasteelpark Arenberg 10, BE-3001 Heverlee (Leuven), Belgium, EU
Corresponding author: email@example.com
Accepted: 1 December 2008
This paper presents a theoretical analysis of the interaction between two non-magnetic particles migrating in a conductive fluid due to an imposed strong magnetic field. A repulsive force induced by the conductive fluid flow around the particles is first derived and calculated for a concrete example. From the numerical results, a counteracting behavior with the interparticle magnetic dipole-dipole attractive force is found to exist at a critical particle size which makes the particles controllable under strong magnetic fields (e.g., B > 10 T). This renders a better understanding of recent experimental results and provides a basis to control the particle size distribution using strong magnetic fields for materials processing.
PACS: 47.65.Cb – Magnetic fluids and ferrofluids / 75.47.-m – Magnetotransport phenomena; materials for magnetotransport
© EPLA, 2009
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