Influence of Conventional and Reverse Travelling Magnetic Fields on Liquid Metal Stirring in an Asymmetric Cavity

P Oborin, S Khripchenko, E Golbraikh

Research output: Contribution to journalArticlepeer-review

Abstract

The paper presents results of experimental and numerical studies on liquid metal stirring by a travelling magnetic field (TMF). The aim was to study the TMF effectiveness for stirring impurities into molten metals and to determine an optimal stirring mode. A series of experiments was performed to examine the behaviour of the flow velocity field in an asymmetric cavity with liquid metal under the TMF action. The fluid flow and the distribution of impurities in the melt during stirring is studied numerically in a 2D case. Simulations were performed using the URANS-based Euler-Euler approach and an analytical solution for the electromagnetic body force. This allowed us to analyze the distribution of impurities in the stirred metal for different TMF modes (with a reverse or without it). It has been found that in the case of TMF, whose direction is periodically reversed, the stirring time reduces several times. Tables 1, Figs 11, Refs 19.
Original languageEnglish
Pages (from-to)291-301
Number of pages11
JournalMagnetohydrodynamics
Volume50
Issue number3
StatePublished - 2014

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