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<p>An advanced three-dimensional mathematical model for fluid dynamics, thermal transfer, solidification, and inclusion migration in continuous casting is formulated utilizing CFD-DEM methodologies. The arc-shaped arrangement of the cast billet and its vertical segments of designated height are employed to investigate the impact of the solid shell on fluid dynamics and the movement of inclusions. We obtain the inclusions, the floating rate, and the distribution of the slab. The results indicate that the fluid progresses toward the slab center along the solid shell after exiting the bottom recirculation zone. The floating rate of inclusions rises with a decrease in casting speed and an increase in the height of the vertical segment. Inclusions at 25&#xa0;μm have a more uniform distribution compared to those at 50 and 100&#xa0;μm.</p>

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Numerical simulation study on the motion and distribution of inclusions in continuous casting process

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月8日

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  • Jian Cheng,
  • Juan Li

摘要

An advanced three-dimensional mathematical model for fluid dynamics, thermal transfer, solidification, and inclusion migration in continuous casting is formulated utilizing CFD-DEM methodologies. The arc-shaped arrangement of the cast billet and its vertical segments of designated height are employed to investigate the impact of the solid shell on fluid dynamics and the movement of inclusions. We obtain the inclusions, the floating rate, and the distribution of the slab. The results indicate that the fluid progresses toward the slab center along the solid shell after exiting the bottom recirculation zone. The floating rate of inclusions rises with a decrease in casting speed and an increase in the height of the vertical segment. Inclusions at 25 μm have a more uniform distribution compared to those at 50 and 100 μm.