To calculate discharge port pressure, this article considers the influence on frictional pressure drop in the gas and liquid two-phase flow between rod and tubing owing to rotation of rods.
在计算排出口压力计算过程中，考虑了由于抽油杆柱旋转引起杆管环空气液两相流摩阻的影响。
The liquid in the pipeline under certain conditions and partially vaporizes into gas state, bubble, formation of gas-liquid two-phase flow which is the process of flash.
管道中的液体在一定的条件下，部分液体气化成气体状态，产生气泡，形成气液两相流这就是闪蒸过程。
The focus of the research on the two phase flow, gas and non-Newtonian fluid in horizontal pipelines, is pressure drop, the law of liquid adhesiveness and the prediction of flow form.
水平管中气体和非牛顿液体两相流动研究的中心问题是压降和持液率的规律，以及流动型态的预测。
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。
The study of gas-liquid two-phase flow has important applications in engineering, such as oil, atomic energy, aerospace, dynamical and chemical engineering, etc.
气液两相流的研究在石化工程、原子能工程、航天工程、动力工程及化学工程中均具有重要的研究价值。
Then physical and mathematical model of the gas-liquid two phase flow which was actuated by the bubble in the pool, were proposed and solved numerically.
在此基础上建立池内有气泡驱动情况下气液两相流动传热的物理数学模型，并进行相应的数值求解和分析。
Based on analyzing the micro critical seepage phenomena of gas-liquid two-phase flow in a single fracture, a random and compound mathematical model was constructed to describe this phenomenon.
通过对裂缝中气液二相流体临界渗流现象的分析推理，建立描述这一现象的随机混合渗流数学模型。
In many engineering such as oil-gas exploitation, coalbed methane exploitation and extraction, there always occurs gas-liquid two-phase flow through a fracture.
在石油天然气开采、煤层气开发及煤矿瓦斯抽放等工程领域中，都存在着裂缝中气液二相流体渗流的问题。
It is also possible to analyze a gas liquid two phase flow condition through an edge detection of wavelet transformation and detect thermodynamic data in a gas liquid two phase flow.
对汽液两相的流动工况也可以用边缘检测小波变换去进行分析，并实现对汽液两相流动的热工数值检测。
The Level Set method is adopted to capture the gas-liquid interface and the projection method is used to solve the three dimensional two-phase flow equations.
采用水平集方法捕捉气，液两相界面，结合投影方法，对所建立的两相流动模型进行了三维数值求解。
In two-phase oil and gas flow, the calculation of pressure drop and liquid holdup plays an important rule in technological calculation.
在油气两相管流中，压降和持液率的计算在工艺计算中占有重要的地位。
The centrifugal sewage pump is the typical multi-phase flow fluid machinery, which is mainly used to transport and lift solid-liquid two-phase flow including a certain extent of gas.
离心式污水泵(即污水提升泵)，是典型的以输送固液两相流为主，同时含有不定量气体的多相流流体机械。
Based on the theory of two-phase flow pattern of gas and liquid, gas cut change can be detected with acoustic wave after gas flowing into wellbore.
基于气体侵入井眼后按气液两相流型分布的原理，利用声波可以早期检测到气侵。
The importance and requirements of gas-liquid and vapor-liquid two-phase flow measurement are, first of all, discussed in this paper.
本文首先对气液和汽液双相流量测量的重要性和要求作了论述。
The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state.
在实际运行中，湿天然气在输送管道中存在气液两相，因此管道中的流动总是处于慢瞬变流动状态。
Calculation results can provide some references to safe and effective well control and investigation of gas-liquid two-phase flow in vertical riser.
计算结果为安全有效地井控及垂直上升管内气液两相流的研究提供一定的参考依据。
The tube cleaning equipments are compatible with compressor burning system cleaning and hold the functions of cleaning refrigerant recovery, refrigerant purify, gas-liquid two-phase flow, etc.
用于空调系统清洗的机型具有：制冷剂回收、制冷剂净化、制冷剂气液二相流清洗等功能，适合对压缩机烧毁系统的清洗。
The research and application prospects of gas-liquid two-phase flow in microchannels are predicted from the aspects of experiment, theory and numerical simulation.
从实验、理论和数值模拟3个方面对微通道内气液两相流的研究和应用前景进行了展望。
The gas phase was produced by air compressor and entered into still water in the model by little diametical nozzle on line, and the gas-liquid two phase flow field was formed.
由空压机提供的气体通过一排微小直径的喷嘴进入静止水体，形成水气两相流流场。在单相PIV和PTV技术的基础上，研究稀疏气液两相流情况下气泡的速度场分布。
Based on the theory of annular gas-liquid two-phase flow, a model to calculate gas-cutting fluid flow in wellbore is established, and meanwhile a numerical solution to the model is given.
以环空气液两相流动为理论基础，建立了井筒气侵流动计算模型，同时给出了计算模型的数值求解方法。
Based on the theory of annular gas-liquid two-phase flow, a model to calculate gas-cutting fluid flow in wellbore is established, and meanwhile a numerical solution to the model is given.
以环空气液两相流动为理论基础，建立了井筒气侵流动计算模型，同时给出了计算模型的数值求解方法。
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