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Nonaxisymmetric modes of the Couette--Taylor instability in ferrofluids with radial flow

J. Singh - R. Bajaj

Centre for Advanced Study in Mathematics, Panjab University, Chandigarh, India-160014

Abstract
The stability of a ferrofluid flow against nonaxisymmetric disturbances in an annular region between two co-axially rotating porous cylinders, with a radial flow, in the presence of an axial magnetic field, has been investigated numerically. The critical value of the angular velocity ratio \OO of the cylinders at the onset of first nonaxisymmetric mode of instability has been found to depend upon the magnetic field parameter ψ, the radial Reynolds number \R and the radius ratio ξ of the cylinders. Tables 2, Figs 2, Refs 21.

Magnetohydrodynamics 42, No. 1, 57-68, 2006 [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