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首页> 外文会议>ASME Fluids Engineering Division Meeting >NUMERICAL MODELING OF FORMATION OF SINGLE BUBBLE CHAIN AND BUBBLE BREAKAGE DUE TO COLLISION WITH PARTICLE IN LIQUIDS
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NUMERICAL MODELING OF FORMATION OF SINGLE BUBBLE CHAIN AND BUBBLE BREAKAGE DUE TO COLLISION WITH PARTICLE IN LIQUIDS

机译：单泡链形成的数值模拟及液体颗粒碰撞引起的泡沫破损

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摘要

The formation of a single bubble chain in a bubble column and the bubble breakage due to particle penetration are investigated numerically using a transient finite difference model based on the volume of fluid (VOF) method. The method uses a volume fraction function to track the motion of the gas-liquid interface. The validation of the computational results is performed by flow visualization. The computed bubble motion agrees well with the experimental results in a real time sequence. The present simulation provides the time-dependent flow field information around the bubble and the particle. It reveals the mechanisms of the bubble formation and the interactions among the gas, liquid and solid phases during the bubble-particle collision.
机译：使用基于流体（VOF）的体积的瞬态有限差异模型在数值上进行数值根据瞬时有限差分模型在数量上进行泡柱中的单个气泡链和气泡破损。该方法使用体积分数函数来跟踪气液界面的运动。通过流量可视化执行计算结果的验证。计算的气泡运动与实验结果吻合良好，实际序列。本仿真提供了气泡和颗粒周围的时间依赖的流场信息。它揭示了气泡形成的机制和气体，液体和固相之间的相互作用在泡沫颗粒碰撞期间。

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