Abstract
A three dimensional mathematical model for fluid flow in the mold of the soft contact EMC (Electro-Magnetic Casting) with the bifurcated SEN (Submerged Entry Nozzle) was developed. FEM (Finite Element Method) for the calculation of electromagnetic field and FVM (Finite Volume Method) with BFC (Body Fitted Coordinate) for the fluid flow considering the complex geometry of the electromagnetic mold and the irregular meniscus shape of the melt were used. This mathematical model was applied to an experimental EMC process with 200 mm × 500 mm rectangular cold crucible type mold and the tin melts as the slab. In this study, a mathematical model which can analyze the EMC system was developed and a characteristic three dimensional electromagnetic phenomena and fluid flow of slab EMC with the bifurcated SEN were investigated. Several typical phenomena such as the concentration of electromagnetic force on the surface of the molten metal, the increase of flow velocity on the meniscus were found.
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