AISTech 2022

Numerical Simulation of Flow Modifier Effect on Fluid Flow Pattern, Wall Shear Stress and Inclusion Removal in a Two-Strand Tundish

16 May 22
4:30 PM - 5:00 PM

Tracks: Virtual Program

Speaker(s): Xuefeng Bai, Postdoctoral Fellow, University of Science and Technology Beijing; Zhijie Guo, University of Science and Technology Beijing; Yanhui Sun, University of Science and Technology Beijing; Hongjun Shen, CISDI Engineering Co. Ltd.

A mathematical model was developed to investigate the influence of flow modifier on fluid flow pattern, wall shear stress and inclusion removal in a two-strand tundish. A baffle with upward holes effectively eliminated the short-circuiting and smoothed the steel flow in the outlet zone. The six RTD indexes and inclusion removal rate were both greatly increased. A turbulence inhibitor decreased the velocity at the free surface, thereby lowering the possibility of slag entrapment. Meanwhile, the maximum flow-induced shear stress at the rear wall near the ladle shroud was decreased, while the inclusion removal was significantly promoted.