连铸结晶器内高温熔体多相流模型化研究进展

刘中秋, 李宝宽, 肖丽俊, 干勇

Modeling Progress of High-Temperature Melt Multiphase Flow in Continuous Casting Mold

LIU Zhongqiu, LI Baokuan, XIAO Lijun, GAN Yong

图14 结晶器内钢液-Ar气两相瞬态流场特征^[50]

Fig.14 Characteristics of molten steel-argon gas two-phase transient flow field in the mold^[50]
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(a) RANS (b) LES
(c) comparison of numerical simulation with experiment (

\bar{u}

—horizontal average velocity,

\bar{v}

—vertical average velocity, Q_w—water-carrying capacity, Q_g—gas flow rate, k—turbulent kinetic energy, ε—turbulent dissipation rate, SST—shear stress transport, RSM—Reynolds stress model)