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Convective instability of magnetic colloid and forced Rayleigh scattering experiments

A. Cēbers1,2 - M. Igonin1,2

1 Institute of Physics, University of Latvia Salaspils-1, LV-2169 Latvia
2 UFR de Physique, Université Paris 7 2 place Jussieu, 75251 Paris Cedex 05, France and LMDH, Université Paris 6 4 place Jussieu, 75252 Paris Cedex 05, France

We consider the convective instability of an inhomogeneous magnetic colloid in a Hele--Shaw cell. A uniform magnetic field is applied parallel to the gradient of the gap-averaged concentration. The neutral curve obtained shows that microconvection can play an important role in the forced Rayleigh scattering experiments with magnetic fluids. Figs 1, Refs 10.

Magnetohydrodynamics 38, No. 3, 265-270, 2002 [PDF, 0.10 Mb]

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