Based on analysis of flow mechanism, a hydrodynamic model of slug flow in vertical pipes was developed considering the variable thickness of liquid film.
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。
The radial load has quite influences on the film thickness and hydrodynamic pressure.
渗透度对压力分布、油膜厚度也有一定影响。
The model is solved by using multi-grid method. Then obtain the hydrodynamic pressure and oil-film thickness distribution.
使用多重网格数值方法进行编程求解，得出了活塞环与缸套间的流体动压和油膜厚度分布。
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