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Movement of solid-liquid interface in gallium alloy under the action of rotating magnetic field

I. Kolesnichenko1,2 - A. Pavlinov1 - R. Khalilov1

1 Institute of Continuous Media Mechanics, Perm, Russia
2 Perm National Research Polytechnic University, Perm, Russia

The process of gallium alloy crystallization under stirring conditions is studied experimentally. A stirring flow is induced by an external rotating magnetic field generated by an MHD stirrer containing a cylindrical vessel with a gallium alloy. The evolution of the liquid--solid interface is studied by the UDV technique. The position of the interface on the echo profile is found by the wavelet analysis using the ``Mexican hat'' wavelet. The evolution of the interface during crystallization has been investigated for stirring flows of various intensity. Figs 5, Refs 9.

Magnetohydrodynamics 49, No. 1/2, 191-199, 2013 [PDF, 0.73 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X