No obvious change is observed for the transition between plug flow and slug flow.
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。
Slug flow is one of the most common flow patterns in a hilly multiphase pipe flow.
在起伏多相管流中常出现段塞流。
The critical rate of gas flow from bubble flow to slug flow is an important factor.
泡状流向段塞流转化的临界气体流量是一个非常重要的参数。
Based on the related research results, a steady state model for slug flow is raised.
本文在总结国内外相关研究成果的基础上提出了一种基于段塞流结构参数的计算方法。
Slug flow is one important flow patten for upward gas-liquid two-phase flow in vertical tube.
弹状流是垂直管内气液两相上升流中的一种重要流型。
An optical fiber probe is used to study the cross-section of oil-gas-water three-phase slug flow in vertical tubes.
利用光纤探针试验研究垂直上升管内气、水、油三相弹状流截面相份额的规律。
By electrochemical method, characteristic parameters are investigated within the range of slug flow in vertical pipe.
本文采用电化学的方法研究了垂直上升管内弹状流的特性参数。
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。
In petroleum industry, the steady-steady modeling of slug flow has always been a difficult point in multiphase pipeline calculation.
在石油工业中油气混输管道中的段塞流的水力计算一直是多相流管道稳态工艺计算中的难点。
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。
The experimental results indicated that the typical flow pattern in outlet-channels was bubbly flow and in outlet manifold was slug flow.
实验发现，出口流道中典型的两相流流型是泡状流、而出口总管中的典型流型是弹状流。
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。
An equation for calculating the pressure drop in slug flow was achieved, which is based on the experimental data and the principle of force equilibrium.
利用力平衡原理建立了料栓平衡方程序，并结合试验数据得出了预测栓流运动阻力损失公式。
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。
Empirical or semi-empirical correlations are adopted to calculate slug flow parameters. According to field experiments, slug flow parameters depend on pipe …
喻西崇，冯叔初，地形起伏多相管流段塞流流动参数计算。
Based on the experimental study of oil gas water slug flow, the numerical simulations of this model agree well with experimental data under the condition of low pressure.
通过油-气-水弹状流的实验研究发现，该模型的数值模拟结果与低压工况下的实验值符合得较好。
This condition was used as the theoretical criterion for transition from stratified flow to slug flow. The results of theoretical model compare well with the experimental data.
并将这个条件作为分层流向段塞流转变的理论判据，与实验结果进行比较分析，发现两者吻合的较好。
The model is an effective method, which can be used for pressure drop of oil gas water three phase vertical upwards slug flow in which the continuous liquid phase is water phase.
本模型是计算垂直油-气-水三相弹状流中液相的连续相为水相时的压力降的有效方法。
The result shows that the change of gradient of kick-off pressure, the storage ratio and the ratio of formation coefficients have relatively big effect on the slug flow well test result.
结果表明：启动压力梯度、层间储容比、地层系数比的变化对段塞流试井解释结果有较大的影响。
The void fraction in downward gas oil two phase flow in vertical tube is measured with the combined method of horizontal downward vertical tube for the two flow regimes(bubbly and slug flow).
采用水平—下降管组合法测量了垂直下降管内油气两相流动在泡状和弹状流下截面含气率的值。
The purpose of this paper is to illustrate the result of the research on the slug flow in vertical tubes and to effectively guide experimental investigation and production practices in future.
目的在于全面翔实地阐述垂直管弹状流的研究结果，以期有效地指导实验研究及生产实际工作。
Based on the flow mechanism and performance of gas liquid two phase plug flow in oil gas gathering line, a slug unit are divided into both gas slug region with liquid film and liquid slug region.
针对油气集输管线中气液两相团状流的流动机理和特点，将每一段塞单元划分为带液层的气塞区和液塞区两个区域。
Several beeline analysis methods for determining formation flow capacity, skin factor and initial reservoir pressure from slug-test data are reviewed.
综合研究了几种可以用于确定地层系数、表皮因子和原始地层压力的段塞流直线分析方法。
The relationship between pressure fluctuation and flow pattern of fluidized bed is investigated experimentally. The pressure fluctuation characteristics of gas slug and particle slug are measured.
实验研究了流化床流型结构与压力波动的关系，测定了节涌流化床气栓和料栓内的压力波动特性。
The relationship between pressure fluctuation and flow pattern of fluidized bed is investigated experimentally. The pressure fluctuation characteristics of gas slug and particle slug are measured.
实验研究了流化床流型结构与压力波动的关系，测定了节涌流化床气栓和料栓内的压力波动特性。
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