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Particle Tracking in Laminar Flow of Molten Aluminum in Straight, Constant Cross-Section Ducts Subjected to Steady, Uniform Electric and Magnetic Fields

[+] Author Affiliations
T. Blaskovich, B. R. Baliga

McGill University, Montreal, QC, Canada

L. A. Oliveira

University of Coimbra, Coimbra, Portugal

Paper No. FEDSM2002-31369, pp. 587-596; 10 pages
doi:10.1115/FEDSM2002-31369
From:
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 2: Symposia and General Papers, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3616-9 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME

abstract

The formulation, testing, and application of some mathematical models and numerical solution methods for tracking electrically non-conducting particles in laminar flow of molten aluminum in straight, constant cross-section ducts subjected to steady, uniform electric and magnetic fields are presented. The separation chamber is a straight duct of constant rectangular cross-section and electrically non-conducting walls. The effects of the induced electric field in the molten aluminum are considered negligible. Attention is focused on the fully-developed flow regime. In the calculation of the inclusion trajectories, consideration is given to drag, gravity, virtual mass, Basset, lift, and electromagnetic forces. A control-volume finite element method is used for the calculation of the fluid flow. A fourth-order Runge-Kutta method and a particle-location and interpolation algorithm are used to calculate the particle velocities and trajectories. Results obtained for a test problem and a demonstration problem are presented and discussed in this paper.

Copyright © 2002 by ASME

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