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, π. It has been found that cathode with π = 5° inclination could decrease 16 to 20% of Lorentz force in the molten metal.
CITATION STYLE
Das, S., & Littlefair, G. (2016). Current distribution and lorentz field modelling using cathode designs: A parametric approach. In Light Metals 2012 (pp. 847–851). Springer International Publishing. https://doi.org/10.1007/978-3-319-48179-1_146
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