Title: Effect of external magnetic fields on various free-surface flows

Authors: Toshio Tagawa, Hiroyuki Ozoe

Addresses: Department of Aerospace Engineering, Tokyo Metropolitan University, Asahigaoka 6-6, Hino 191-0065, Japan. ' Institute for Materials Chemistry and Engineering, Kyushu University, Kasuga-koen 6-1, Kasuga 816-8580, Japan

Abstract: Liquid-gas free-surface flows in the presence of gravity, surface tension and magnetic field are numerically studied. Two phases (both liquid and gas) are assumed to be an incompressible, immiscible, Newtonian fluid and both viscous dissipation and Joule heating are neglected. Thermal convection due to buoyancy and thermo-capillary effects is not taken into account. The numerical results reveal significant difference in the free-surface flows depending on the applied magnetic field not only for the electric conducting fluids such as mercury and gallium but also for ordinary non-conducting fluids such as water and air.

Keywords: numerical computation; magnetic fields; free-surface rotation; free-surface flows; gravity; surface tension; liquid-gas flows; incompressible flow; immiscible flow; magnetohydrodynamic flow.

DOI: 10.1504/PCFD.2008.021323

Progress in Computational Fluid Dynamics, An International Journal, 2008 Vol.8 No.7/8, pp.461 - 468

Published online: 19 Nov 2008 *

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