| 1. | Experimental study of gas flowrate transient characteristics of slug flow in horizontal pipelines 水平管段塞流气量瞬变特性试验研究 |
| 2. | A convenient model of pressure gradient calculation of gas - liquid slug flow in vertical wellbore 垂直井筒气液段塞流压力梯度的简便算法 |
| 3. | Flow patterns of oil - water - gas three - phase downward flow and transition from bubble flow to slug flow 油水气三相流的流型及泡状流向弹状流的转变 |
| 4. | Abstract : this paper describes two main problems existing in the operationof multiphase pta - alas , such as inlet solid and slug flow 文摘:阐述混输泵在运行中所遇到的进口杂质和段塞流问题,并提出解决方法。 |
| 5. | So , this slug flow unit model could be used as the basis for further analyzing the flow property of slug flow under rolling condition 因此,该弹状流单元物理模型是进一步分析摇摆状态下弹状流流动特性的基础。 |
| 6. | Based on this slug flow unit model , the correlation for calculating average void fraction of slug flow in rolling tube was presented , and the calculations were agreed well with experimental data 在此基础上,给出摇摆状态下弹状流平均空泡份额计算关系式,并与实验值进行比较,结果符合较好。 |
| 7. | The fluctuation characteristics of liquid slug length in the downward inclined pipe with a large range of gas and liquid velocities were investigated on the basis of fractional theory of air / water slug flow 摘要利用非线性分析技术中的分形理论在较宽的流速范围内对下倾管中空气水段塞流的液塞长度波动特性进行了研究。 |
| 8. | The slug flow unit model in rolling vertical tube was analyzed in this paper , by setting up some equations , such as mass conversation equations and the necessary conditions for the existence of slug flow 摘要通过建立质量守恒方程和弹状流稳定存在条件等方程,对摇摆状态下竖直管内充分发展的弹状流单元物理模型进行解析。 |
| 9. | The influences of the inlet slug flow on multiphase pumps ' performance are analysed and the effective techolgy improvemerit method is given , which provides some experiences for future application d multiphase pumping technology 歧口17 - 3平台混输泵的采用为油气混输技术的日臻成熟和在我国石油工业中的推广应用提供了可靠的现场实践经验。 |
| 10. | Based on these models , the differential pressure fluctuation signals of gas - liquid two - phase flow under different flow regimes in various diameter pipelines are analyzed . experimental results show that the autoregressive orders of bubble flow and annular flow are bigger than that of slug flow 对不同管径不同流型下的差压波动信号进行了建模,在此基础上分析得出:弹状流流型下arma模型的阶数n最小,泡状流和环状流流型下的arma模型阶数n较大。 |