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- Title
Axisymmetric Electrogravitational Stability of Fluid Cylinder Ambient With Transverse Varying Oscillating Field.
- Authors
Radwan, Ahmed E.; Hasan, Alfaisal A.
- Abstract
The electrogravitational instability of a dielectric fluid cylinder surrounded by medium of negligible motion pervaded by varying transverse oscillating electric field has been investigated in the axisymmetric perturbation. The acting forces on the model are: self-gravitating, pressure gradient and electrodynamic forces. The model is governed by Mathieu second order integro-differential equation. Some limiting cases are recovering from the present general one. The electric field is only destabilizing in few states but it is strongly stabilizing in the remaining states. The self-gravitating force is destabilizing in the domain 0 1.0668 x ≤ while it is stabilizing in the rest. The oscillating time-dependent electric has strong destabilizing effect.
- Subjects
ELECTRIC fields; PERTURBATION theory; APPROXIMATION theory; LAMINAR flow; FLUID dynamics; INTEGRO-differential equations
- Publication
IAENG International Journal of Applied Mathematics, 2008, Vol 38, Issue 3, p113
- ISSN
1992-9978
- Publication type
Article