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Investigation of linear electromagnetic stirring and its impact on the liquid steel flow in a continuous slab caster
Johannes Kepler University Linz, Institute of Fluid Mechanics and Heat Transfer, Altenbergerstrasse 69, 4040 Linz, Austria
Magnetohydrodynamics 53, No. 3, 571-582, 2017 [PDF, 0.28 Mb]
The usage of magnetohydrodynamics in continuous casting of steel is on a steady rise, due to its possibilities for a sophisticated, contactless flow control. The complexity of the casting process and the ever-increasing quality demands require a thorough investigation, which cannot be achieved solely through plant trials. Therefore, numerical modelling is a crucial instrument for understanding the interaction between the transient electromagnetic field and the liquid steel flow. In this work, the liquid steel flow in a continuous slab caster excited by travelling magnetic fields is investigated through numerical simulations. Two modelling approaches are compared to each other. In the next step, these models can be used to show the influence of the stirring parameters, stirring modes and position of the stirrer(s) and conclusions for the real casting process can be drawn. Tables 2, Figs 10, Refs 8.