运用简化的硬球模型模拟垂直管道中的塞状流。
The phenomena of plug conveying in a vertical pipe have been simulated by using the simplified hard-sphere model.
研究中没有观察到表面性剂对塞状流与弹状流转换的影响。
No obvious change is observed for the transition between plug flow and slug flow.
基于流动机理的分析建立了塞状流参数预测模型；模型中考虑了液膜的厚度变化。
Based on analysis of flow mechanism, a hydrodynamic model of slug flow in vertical pipes was developed considering the variable thickness of liquid film.
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