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Mathematical models of physical fields in aluminum electrolysis cells
O. G. Provorova1
- V. V. Pingin2
- V. V. Ovchinnikov1
- T. V. Piskazhova1
- D. A. Gorin2
1 Krasnoyarsk State University, 660062 Krasnoyarsk, Russia
2 Krasnoyarsk Aluminum Plant, 660111 Krasnoyarsk, Russia
Abstract
The paper describes mathematical models of VSS cell electric, magnetic and hydrodynamic fields (Moreau-Evans method). The computations were carried out using the following inputs: stud current distribution, collector bar current distribution, inducted B gradients along the cell perimeter. The models allow to develop a two-dimensional current density map of the anode, bath, metal, cathode bottom and also inducted B vectors in metal, metal flow patterns and metal-bath boundary configuration. Based on experimental metal flow patterns data a method has been developed to determine a drag coefficient used to compute the metal movement velocity. Computation results are shown for ?-8?? cell design. Tabl. 1, figs 4, refs 13. Magnitnaya Gidrodinamika 34, No. 4, 375-385, 1998 [PDF, 0.41 Mb] (in Russian)
Magnetohydrodynamics 34, No. 4, 304-313, 1998 [PDF, 0.37 Mb]
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