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.
随着流量和干度的变化，流型可划分为泡状流、塞状流、分层波状流、间歇流以及环状流。
With the variation of flow rates and qualities, the flow patterns can be divided into bubbly flow, plug flow, stratified-wavy flow, intermittent flow and annular flow.
给出了典型的试验曲线，并分析了“瓦”状塞式喷管的高度特性和底部二次流对性能的影响情况。
The typical experimental curves are showed. The altitude characteristic and the effect of base bleed on aerospike nozzles are analyzed too.
给出了典型的试验曲线，并分析了“瓦”状塞式喷管的高度特性和底部二次流对性能的影响情况。
The typical experimental curves are showed. The altitude characteristic and the effect of base bleed on aerospike nozzles are analyzed too.
应用推荐