Abstract
In a previous paper [1], the effect of an unsteady rotation on the electrohydrodynamic stability of a cylindrical interface was investigated. In this work, we extend the analysis to include the effect of the mass and heat transfer on magnetic fluid columns. The system is pervaded by a uniform axial magnetic field distribution. The axisymmetric mode ( m = 0) is only considered. The standard normal modes approach is utilized. The method of multiple time scales is used to achieve the stability of the system. In the zero order problem, a complex transcendental dispersion equation is obtained. Some reported works are recovered upon appropriate data choices. In the first order problem, the solvability condition is derived. The transition curves are obtained. It is found that the mass and heat transfer enhances the stability of the system.
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