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Current distribution and Lorentz field modelling using cathode designs : a parametric approach

conference contribution
posted on 2012-01-01, 00:00 authored by Subrat DasSubrat Das, Guy Littlefair
A mathematical model of magnetohydrodynamic (MHD) effects in an aluminium cell using numerical approximation of a finite element method is presented. The model predicts the current distribution in the cell and calculates the Lorentz force from the external magnetic field in molten metal for cathode blocks with different surface inclinations.

The findings indicated that the cathode surface inclinations have significant influence on cathode current density and Lorentz field distribution in the molten metal. The results establish a trend for the current density and associated MHD force distributions with increase in cathode inclination angle, φ. It has been found that cathode with φ = 5o inclination could decrease 16 to 20 % of Lorentz force in the molten metal.

History

Event

Minerals, Metals and Materials Society. Meeting (141st : 2012 : Orlando, Fla.)

Pagination

847 - 851

Publisher

John Wiley & Sons

Location

Orlando, Fla.

Place of publication

Hoboken, N. J.

Start date

2012-03-11

End date

2012-03-15

ISBN-13

9781118291399

ISBN-10

1118291395

Language

eng

Publication classification

E1 Full written paper - refereed; B Book chapter

Copyright notice

2012, The Minerals, Metals, & Materials Society. All rights reserved.

Editor/Contributor(s)

C Suarez

Title of proceedings

TMS 2012 : Light metals 2012 : proceedings of the technical sessions presented by the TMS Aluminum Committee at the TMS 2012 Annual Meeting & Exhibition, Orlando, Florida, USA, March 11-15, 2012

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