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Effect of magnetic forces on bubble transport in aluminium electrolysis cells

Effect of magnetic forces on bubble transport in aluminium electrolysis cells

Bojarevics, Valdis and Roy, Alan (2011) Effect of magnetic forces on bubble transport in aluminium electrolysis cells. In: Proceedings of the 8th PAMIR International Conference on Fundamental and Applied MHD. Laboratoire CNRS-EPM/SIMaP / Institute of Physics, University of Latvia, Corsica, France, pp. 453-457.

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Abstract

The effect of electro-magnetophoretic forces on the gas bubbles in the electrolyte is considered for aluminium electrolytic cells. The model is derived for an additional pressure distribution resulting from the magnetic forces in the liquid electrolyte. According to the estimates, the integral force on an individual bubble exceeding 2 mm in size could be sufficient to overcome the typical drag force associated with electrolyte flow, opposing motion of the bubble along the slightly inclined base of the anode. This could explain certain feature of the anode effect onset.

Item Type: Conference Proceedings
Title of Proceedings: Proceedings of the 8th PAMIR International Conference on Fundamental and Applied MHD
Additional Information: [1] This paper was first presented as paper A8_5 and published in the Proceedings of the 8th PAMIR International Conference on Fundamental and Applied MHD, held from 5-9 September 2011, in Borgo, Corsica, France. [2] The proceedings were distributed to all participants.
Uncontrolled Keywords: magnetic forces, gas bubbles, electrolyte flow
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Pre-2014 Departments: School of Computing & Mathematical Sciences
School of Computing & Mathematical Sciences > Department of Mathematical Sciences
Related URLs:
Last Modified: 14 Oct 2016 09:17
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/6872

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