Abstract
The effects which oscillating magnetic fields have on electrically conducting liquids have been considered for a system geometry corresponding to Czochralski crystal growth techniques. A liquid in a cylindrical container is placed in an oscillating transverse magnetic field. If convection currents are already present, two effects occur: (1) an effective magnetic viscosity, similar to that present in the static field case, is induced, and (2) eddy currents will be induced according to Faraday's law, which generate body force-driven flows disruptive to convection flow patterns. The result will be greater inhibition of convection than in the static field case and a mixing of the melt, which is known as induction stirring.
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