ABSTRACT The gas–liquid multiphase flow behaviours in hot metal ladle are simulated by using Eulerian–Eulerian approach. The effects of wall lubrication force and virtual mass force on bubble behaviours are investigated, and the influences of bubble diameter and gas flow rate on bubble behaviours and liquid flow characteristics are also analysed. The results show that the established model eliminates the gas-adhering wall phenomenon in the water model of hot metal ladle. When the wall lubrication force is considered, some bubbles are pushed away from the submerged lance wall. The penetration depth of the bubble trajectory increases under the action of virtual mass force, increasing the bubble dispersion in the liquid phase. As the bubble diameter increases, the gas velocity increases, while the maximum values of liquid velocity and liquid turbulent energy decrease. At larger gas flow rate, the liquid region impacted by gas flow is larger.

中文翻译：

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带顶浸枪的铁水包气液多相流动数值模拟

摘要 利用欧拉-欧拉方法模拟了铁水包中的气液多相流动行为。研究了壁面润滑力和虚拟质量力对气泡行为的影响，分析了气泡直径和气体流速对气泡行为和液体流动特性的影响。结果表明，所建立的模型消除了铁水包水模型中的气体粘附壁现象。当考虑壁面润滑力时，一些气泡被推离浸入式喷枪壁。在虚拟质量力的作用下，气泡轨迹的穿透深度增加，增加了气泡在液相中的分散度。随着气泡直径的增加，气体速度增加，而液体速度和液体湍流能的最大值减小。在较大的气体流速下，受气体流动影响的液体区域较大。