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Title: Numerical calculations on inclusion removal from liquid metals under strong magnetic fields
Authors: Sun, Zhi ×
Guo, Muxing
Vleugels, Jef
Van der Biest, Omer
Blanpain, Bart #
Issue Date: 2009
Publisher: E m w publishing
Series Title: Progress in electromagnetics research-pier vol:98 pages:359-373
Abstract: A numerical method is developed to calculate/simulate the separation of non-metallic inclusions from an aluminum melt by using a strong magnetic field (e.g., 10 Tesla) with high gradient generated via a superconducting magnet. The cases with and without imposed DC current on liquid aluminum in a cylindrical channel are discussed and compared. The migrating velocities of the non-metallic inclusions in an aluminum melt are calculated through force analysis and Navier-Stokes equations. In addition, the trajectories and removal efficiencies of the inclusions are evaluated. It is found that particle trajectories are influenced by the imposed flow rate and inclusion particle size. In addition, the removal efficiency is improved significantly, especially for small inclusions, e.g., < 10 mu m, by an imposed DC current on liquid aluminum in the high gradient area of a magnetic field.
ISSN: 1559-8985
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
Chemical and Extractive Metallurgy Section (-)
Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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