Abstract
This work presents computations of current distribution and heat generation inside an industrial submerged arc furnace. A 3D model has been developed in ANSYS Fluent that solves Maxwell’s equations based on scalar and vector potential approach that are treated as transport equations. In this paper, the approach is described in detail and numerical simulations are performed on an industrial three-phase submerged arc furnace. The effect of frequency on the current distributions and heat generations in electrodes are presented. The results show that at lower frequencies nonuniform current distribution is only due to proximity effect. Whereas at higher frequencies the nonuniform current distribution is due to the combined effect of skin and proximity effects, causing higher localized heat generation.
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