Impact of rotating permanent magnets on gallium melting in an orthogonal container

O. Ben-David, A. Levy, B. Mikhailovich, A. Azulay

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Gallium melting in an orthogonal container under the impact of a magnetic field was studied. The main goal of the work was the numerical modeling and study of solid-liquid interface behavior and exploration of the possibility to control its dynamics using a magnetic system. The container comprised heated and cooled side faces with preset temperatures. The fluidized part of the metal was exposed to a rotating magnetic field generated by a system of rotating permanent magnets. A three-dimensional (3D) numerical model based on COMSOL Multiphysics software that accounted for thermal variations in the metal properties and the presence of a mushy zone was devised. Simulation reliability was verified by comparison with experimental data obtained using ultrasonic Doppler velocimetry.

Original languageEnglish
Pages (from-to)373-382
Number of pages10
JournalInternational Journal of Heat and Mass Transfer
Volume81
DOIs
StatePublished - 1 Jan 2015

Keywords

  • 3D effects
  • Gallium melting
  • Liquid metal flow
  • Numerical modeling
  • Permanent magnets
  • Solid-liquid interface dynamics
  • Ultrasonic velocimetry

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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