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- According to field experiments, slug flow parameters depend on pipe diameter, velocity and viscosity of gas or liquid phase and so on. 现场实践表明,段塞长度不仅与管径有关,而且还与气液相速度和气液相粘度等有关。
- Empirical or semi-empirical correlations are adopted to calculate slug flow parameters. 段塞流流动特性参数的计算只能采用经验或半经验关系式。
- Slug flow in horizontal pipes is experimentally investigated in order to study the characteristics of liquid holdup. 摘要对水平管段塞流持液率进行了试验研究。
- Dulker A et al:A model for gas/liquid slug flow in horizontal and near horizontal tubes,Ind.Eng.Chem.Fundam,1975(14). 刘磊周芳德:油气水三相流中的复杂相态及压力降的研究;工程热物理学报;2001;22(6).
- When gas flow rate quickly decreases, there will appear a short period of stratified flow in the transient process of the slug flow. 当气体流量突然降低时,在段塞流的瞬态变化过程中则会出现短时间的分层流。
- 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。
- 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。
- During well testing in low permeability reservoir, the produced fluids could not flow out of the wellbore, and there occurred a slug flow at wellbore. 在低渗透油田的测试过程中，井筒中的流体常因流不出地表而在井筒中发生段塞式流动，使流动与恢复测试阶段的井筒压力均上升。
- This paper describes two main problems existing in the operationof multiphase pta-alas, such as inlet solid and slug flow. 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。
- In this paper a technology of parametric pumping fractional crystallization and a crystallizer with a slug flow vertical bubble tube are presented. 本文采用参数泵分步结晶新工艺和开发的直立弹状气泡管结晶器提纯制取精萘，则克服了通常方法的缺点。
- In the current paper, a hydrodynamic model is constructed for gas - liquid two - phase slug flow in vertical tubes, which considers the gas exch... 本文提出的模型还考虑了管径对液弹空隙度的影响。弹状流模型的计算结果得到本文及其他作者实验数据的验证。
- This paper describes two main problems existing in the operation of multiphase pumps, such as inlet solid and slug flow. 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。
- "Declined pipe-riser" structure is usually installed on ocean platform especially in deep water,which will lead to severe slug flow easily and impact the production. 海底管道普遍存在“下倾管-立管”结构,这种结构极易引发立管严重段塞流,影响正常生产。
- Increasing gas flow rate causes pressure overshoots arising from gas inertia in stratified flow and from gas compressibility and liquid inertia in plug and slug flow. 在气团流和段塞流下则是由于气体压缩性和液体惯性的联合作用。
- The fluctuation characteristics of slug frequency was investigated on the basis of fractal theory for air/water slug flow in a downwardly inclined pipe. 在模拟集输-上升管路系统的实验装置上,对消除严重段塞流现象的气举法进行了实验研究。
- The pigging physical model was analyzed,and the mathematic models for expressing characteristic parameters of slug flow of pig,the dynamic model and numerical calculation method were developed. 在分析清管物理模型的基础上,建立了清管器前段塞流动的特征参数计算模型、动态数学模型以及相应的数值计算方法,并进行了数值模拟。
- Slug flow appears very often in swabbing well and usually results in complexity of bottom hole pressure change,and swabbing recovery may make bottom hole pressure more unforeseeable. 抽汲井极容易出现段塞流而导致井底压力变化非常复杂,采用的抽汲生产将进一步加剧井底压力的不可预见性。
- 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;
- 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。
- My daughter screamed when she saw a slug. 我的女儿看见了一条鼻涕虫，尖叫了起来。
