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

Das, Subrat and Littlefair, Guy 2012, Current distribution and Lorentz field modelling using cathode designs : a parametric approach, in 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, John Wiley & Sons, Hoboken, N. J., pp. 847-851.

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Title Current distribution and Lorentz field modelling using cathode designs : a parametric approach
Author(s) Das, Subrat
Littlefair, Guy
Conference name Minerals, Metals and Materials Society. Meeting (141st : 2012 : Orlando, Fla.)
Conference location Orlando, Fla.
Conference dates 11-15 Mar. 2012
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
Editor(s) Suarez, Carlos E.
Publication date 2012
Conference series Minerals, Metals and Materials Society. Meeting
Start page 847
End page 851
Total pages 5
Publisher John Wiley & Sons
Place of publication Hoboken, N. J.
Keyword(s) inclined cathode
current distribution
Lorentz field
Summary 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.
ISBN 9781118291399
1118291395
Language eng
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
Socio Economic Objective 840301 Alumina Production
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2012, The Minerals, Metals, & Materials Society. All rights reserved.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30049227

Document type: Conference Paper
Collection: School of Engineering
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