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Applicability of different MHD approximations in electrovortex flow simulation

I. Teplyakov1 - D. Vinogradov1 - Yu. Ivochkin1 - A. Kharicha2 - P. Serbin1

1 Joint Institute for High Temperatures RAS, 13-2 Izhorskaya str., 125412 Moscow, Russia
2 Christian Doppler Laboratory for Metallurgical Applications of MHD, Franz Josef-Straße 18, 8700 Leoben, Austria

Experimental and numerical results which summarize the influence of the external axial magnetic field on the pattern of flow which occurs when an electric current passes through a conducting medium between two hemispheres are presented. Calculations were made using different magnetohydrodynamic computational approaches and results compared. Methods presented in this paper involve electrodynamic approximation, non-inductive approximation and full coupled MHD problem. The discussed methods can be applied to calculate flow patterns in direct-current-arc furnaces and to other electrometallurgical problems. Tables 1, Figs 13, Refs 17.

Magnetohydrodynamics 54, No. 4, 403-416, 2018 [PDF, 1.53 Mb]

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