NUMERICAL CALCULATIONS ON INCLUSION REMOVAL FROM LIQUID METALS UNDER STRONG MAGNETIC FIELDS | Zendy

Zhi Sun | Zendy; Muxing Guo | Zendy; Jef Vleugels | Zendy; Omer Van der Biest | Zendy; Bart Blanpain | Zendy

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NUMERICAL CALCULATIONS ON INCLUSION REMOVAL FROM LIQUID METALS UNDER STRONG MAGNETIC FIELDS

Author(s) -

Zhi Sun,

Muxing Guo,

Jef Vleugels,

Omer Van der Biest,

Bart Blanpain

Publication year - 2009

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier09100501

Subject(s) - inclusion (mineral) , magnetic field , numerical analysis , materials science , condensed matter physics , mechanics , physics , thermodynamics , mathematics , mathematical analysis , quantum mechanics

A numerical method is developed to calculate/simulate the separation of non-metallic inclusions from an aluminum melt by using a strong magnetic fleld (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 e-ciencies of the inclusions are evaluated. It is found that particle trajectories are in∞uenced by the imposed ∞ow rate and inclusion particle size. In addition, the removal e-ciency is improved signiflcantly, especially for small inclusions, e.g., < 10"m, by an imposed DC current on liquid aluminum in the high gradient area of a magnetic fleld.

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