Abstract
Steel strip feeding into continuous casting mold is an innovative technology improving the thick slab quality through decreasing the melt superheat and increasing the proportion of equiaxed dendrites. To investigate the embedded complex melting and solidification processes, a mathematical model has been developed to model all the essential physical behaviors of the fluid flow, heat transfer, melting and solidification during steel strip feeding into the mold. The enthalpy method is adopted to describe both the melting of steel strip and the solidification of slab. Based on the numerical findings, three periods are divided during the whole melting process of the moving strip. The effect of strip feeding on the fluid flow, temperature distribution and shell solidification in continuous casting mold are investigated. The turbulent flow in the mold is enhanced due to the fast moving of strip and the fluid nearby is cooled down which redistributes the melt superheat inside slab.
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