By reducing intermittency to periodicity, the very complex slug flow structure is simplified to an equivalent unit consisting of a liquid slug, one adjacent Taylor bubble and an aerated liquid film.

• 基于等效弹单元思想,改进了预测垂直上升管中充分发展气液弹状流流动特性的模型。模型中考虑了界面切应力对液膜运动的影响;