Abstract

The linear stability of hydromagnetic inviscid flow of a heterogeneous fluid between two concentric cylinders is studied for nonaxisymmetric disturbances. A sufficient condition of stability has been derived for rigidly rotating fluid permeated by an azimuthal magnetic field against all disturbances. In the case of swirling flow permeated by an axial magnetic field, a bound on the growth rate is found without dependence of the wavenumbers.

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