Slag entrainments in a continuous casting mold result in serious defects in steel products. This slag entrainment is directly connected with the meniscus vortex accompanying a large meniscus deformation. To exactly evaluate the air or slag entrainments, it is critical that numerical studies can reproduce the meniscus vortex deformation. In our study, we found that Reynolds-averaged Navier–Stokes (RANS) turbulent models failed to reproduce the meniscus vortex deformation, and furthermore, the laminar model underestimated the meniscus vortex depth at high-casting conditions over 1.4 m/min. In this study, we proposed the hybrid and large eddy simulation models to correctly predict the distortion for real physics of the meniscus vortex. In contrast to the laminar and RANS turbulent models, the proposed models show strong agreement with the experiment even in high-casting conditions.

连铸结晶器中的夹渣会导致钢产品中出现严重缺陷。这种夹渣与伴随大弯液面变形的弯液面涡流直接相关。为了准确评估空气或炉渣夹带，数值研究可以再现弯月面涡旋变形是至关重要的。在我们的研究中，我们发现雷诺平均 Navier-Stokes (RANS) 湍流模型无法再现弯月面涡旋变形，此外，层流模型低估了超过 1.4 m/min 的高铸造条件下的弯月面涡旋深度。在这项研究中，我们提出了混合和大涡流模拟模型来正确预测弯月面涡流的真实物理变形。与层流和 RANS 湍流模型相比，