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Comparison of numerical and experimental results on melt electrovortex flow driven by direct current supplied over top and bottom electrodes

S. Pavlovs1 - A. Jakoviċs1 - Yu. Ivochkin2 - A. Chudnovsky2

1 University of Latvia, 3 Jelgavas str., Riga, Latvia
2 JSC LATVO, 53 Ganibu Dambis, Riga, Latvia

The present paper details a comparison of experimental and computational results for the electrovortex flow of mercury in cylindrical and semi-cylindrical vessels, which is driven by the direct electrical current supplied over top and bottom non-submerged electrodes. The time-averaged velocity of liquid metal computed using the LES model of turbulence qualitatively and quantitatively agrees with the measured profiles of the axial velocity for a cylindrical experimental setup. For a semi-cylindrical setup which represents possible ``cold'' physical modelling of MHD devices, the observed flow patterns at the free surface and the computed flow patterns also agree qualitatively. Tables 1, Figs 7, Refs 9.

Magnetohydrodynamics 58, No. 3, 293-304, 2022 [PDF, 2.48 Mb]

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