连铸结晶器内Ar气泡破碎-聚合和捕获行为的数值模拟

徐涛, 邓安元, 李阳, 王恩刚

Numerical Simulation of Ar Bubbles Fragmentation-Polymerization and Trapping Behavior in Continuous Casting Mold

XU Tao, DENG Anyuan, LI Yang, WANG Engang

图1 气泡偏心碰撞模型示意图[15] (0 < B < 1，其中B为碰撞系数)

Fig.1 Schematic of eccentric collision model of bubbles[15] (0 < B < 1, B—collision coefficient, R1—radius of Bubble 1, R2—radius of Bubble 2, ur—relative velocity of two bubbles, b—projection length of the line connecting the centers of two bubbles on the vertical plane with respect to the ur, θ—angle between the line connecting the centers of two bubbles and ur, u1—velocity of Bubble 1, u2—velocity of Bubble 2)