+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Magnetohydrodynamics in advanced Hall-Heroult cells; physical modelling of flow in a laboratory scale cell



Magnetohydrodynamics in advanced Hall-Heroult cells; physical modelling of flow in a laboratory scale cell



Transactions - Institution of Mining and Metallurgy Section C: Mineral Processing and Extractive Metallurgy



The need to reduce the anode to cathode gap (ACG) has led to the concept of advanced Hall-Heroult cells. Electrolyte flow will have a major influence on the dynamics of advanced Hall cells. However, studies on the fluid flow pattern in the ACG of advanced Hall cells are limited. Although both electromagnetic forces and the bubble buoyancy effects cause electrolyte flow, the effect of the former has not been sufficiently investigated. Hence electromagnetically driven flow in advanced Hall-Heroult cells has been simulated in a laboratory scale cell with Wood's metal as the electrolyte. A thin, solid aluminium layer mimics the cathode. Velocity measurements suggest that electromagnetically driven velocities, approximately 40-50 mm s (super -1) , are of the same order as bubble buoyancy driven flow, as expected in industrial Hall cells. This investigation also sheds light on the effect of important process parameters such as the anode to cathode distance and current density on flow in advanced Hall cells.

Please choose payment method:






(PDF emailed within 0-6 h: $19.90)

Accession: 022991681

Download citation: RISBibTeXText

DOI: 10.1179/174328507x198618


Related references

Sediment transport and dissolution in Hall-Heroult cells. Light Metals (New York) 1998(Pages 455-464, 1998

Ergodicity of ideal Galerkin three-dimensional magnetohydrodynamics and Hall magnetohydrodynamics models. Physical Review. E Statistical Nonlinear and Soft Matter Physics 78(4 Pt 2): 046302, 2008

Hall, Heroult and the production of aluminum. CIM Magazine 95(1062): 109-113, 2002

Electrochemical measurement of effective diffusivity in Hall-Heroult electrolyte. Aiche Journal 34(10): 1649-1655, 1988

Physical modelling of gelifluction and frost creep: some results of a large-scale laboratory experiment. Earth Surface Processes and Landforms 18(5): 383-398, 1993

Large-scale physical modelling of carbon dioxide injection and gas flow in coal matrix. Powder Technology 294: 449-453, 2016

Paradigmatic flow for small-scale magnetohydrodynamics: properties of the ideal case and the collision of current sheets. Physical Review. E Statistical Nonlinear and Soft Matter Physics 78(6 Pt 2): 066401, 2008

Use of soil physical characteristics from laboratory measurements or standard series for modelling unsaturated water flow. Agricultural Water Management 29(2): 201-213, 1996

Towards realistic flow modelling at the laboratory scale; assessment of a minimum sample-size by blending stochastic and deterministic approaches. Proceedings of the International Conference on Computational Methods in Water Resources 11, Vol, 1996

From outcrop and petrographic studies to basin scale fluid flow modelling; the use of the Albanian natural laboratory for carbonate reservoir characterisation. Tectonophysics 474.1-2, 2009

One variant in magnetohydrodynamics with allowance for the Hall effect. Atmospheric and Oceanic Physics 8(12): 759, 1972

Exact law for homogeneous compressible Hall magnetohydrodynamics turbulence. PhysicalReview.e97(1-1):013204, 2018

Intermittency in Hall-magnetohydrodynamics with a strong guide field. Physics of Plasmas 20(5): 052506, 2013

Assessing flow in physical activity: the Flow State Scale-2 and Dispositional Flow Scale-2. Journal of Sport and Exercise Psychology 24(2): 133-150, 2002

Cancellation properties in Hall magnetohydrodynamics with a strong guide magnetic field. Physical Review. E Statistical Nonlinear and Soft Matter Physics 88(6): 063107, 2013