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- 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;
- Also this method could reduce the maximum pressure of the system and prevent the occurrence of the high frequency slug flow with long liquid slugs in the upstream horizontal pipeline. 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。
- STUDY OF LIQUID SLUG DEVELOPMENT CHARACTERISTIC IN HILLY TERRAIN PIPELINE UNDER MULTIPHASE SLUG FLOW 起伏管线中的多相流液弹发展特性研究
- 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。
- Fluctuation characteristics of liquid slug length for slug flow in downward inclined pipeline 下倾管中活塞流液塞长度波动特性
- Development of Liquid Slug Length in Gas-Liquid Slug Flow along Horizontal Pipeline: Experiment and Simulation 水平管内气液段塞流液塞长度发展规律的实验和模拟研究
- 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。
- An Investigation on Hydrodynamic Characteristics of Liquid Slug in Oil-Gas-Water Three-Phase Slug Flow during Annular Tubes 圆管内油-气-水三相弹状流液弹区流动特性的研究
- 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。
- A region with high local concentration of dispersed bubbles is formed in the front of the liquid slug, because the liquid film entrains gas penetrating the liquid slug. 并在液弹空隙度预测中引入临界气体夹带速度的概念,以此来描述弹状流中大气泡尾部的混合特性。
- 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。
- 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。
- Experiments show that ESM is a reliable technique in the measurement of gas liquid two phase flow, and the average error was about 5%, the best results ever reached was 3%. 在实验范围内 ,流量的平均测量误差小于 5%25 ,最好的结果可以达到 3%25
- Gas holdup and mass transfer of a reversed flow jet loop reactor in gas liquid solid three phase with non Newtonian fluids were examined experimentally. 在三相非牛顿型流体体系中，对下喷式环流反应器的气含率和传质特性进行了实验研究。
- The analytical methods for gas liquid two phase transient flow were generalized.Different kinds of methods for studying fluid structure interaction were introd... 指出了目前两相瞬变流流固耦合研究中存在的问题,预测了流固耦合研究的方向应为两相流体瞬态时的流固耦合实验研究和耦合模型的数值计算方法研究。
- When the liquid superficial velocity was relatively high, with increasing mixture velocity, the chaos of liquid slug length fluctuation would increase. 液相折算速度较大时，随着混合速度的增加，液塞长度波动的混沌程度增加；
- On the condition of a larger pipe inclination angle, the distribution of liquid slug lengths was more concentrated in a smaller range. 在管线下倾角较大的情况下，液塞长度分布集中在较小的范围内。
- 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。
- The rheologic parameters are mainly influenced by gas liquid ratio and base mud properties. 流变参数主要受气液比和基浆性能影响。
- 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).
