Thermal instability of a non-linear magnetic fluid under the influence of both non-vertical magnetic field and coriolis forces

Abstract EN

This work examines the convective instability of a horizontal layer of a magnetohydrodynamic fluid of variable permeability when subjected to both a non-vertical magnetic field and Coriolis forces.

A model proposed by P.

H.

Roberts (1981) in the context of neutron stars is used.

The results obtained are also relevant to ferromagnetic fluids.

This non-linear relationship has no effect on the development of instabilities through the mechanism of stationary convection which is the preferred process in terrestrial applications.

However, in non-terrestrial applications the non-linearity influences the onset of overstable convection and overstability is the preferred mechanism.

In the context of ferromagnetic fluids, both stationary and overstable instability can be expected to be realizable possibilities.