The result is that the pressure drop is increased rather dramatically over single-phase flow and that the liquid tends to stack up in the pipe.
其结果是两相流管道的压降比单相流动有极大的增加，而且液体在管道内堆积。
The present well test analysis methods are only suitable to single-phase flow in reservoir. In fact, multi-phase flow will occur after a certain long time reservoir fluid production.
目前，试井分析方法仅限于地层中的单相流动，而在油气田开发中后期，试井往往涉及地层中的多相渗流。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model.
在考虑煤层渗透率应力敏感性的基础上，采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
The result indicates that the sound speed of gas liquid two phase flow is much lower than single phase liquid or air medium.
结果表明：气液二相流音速比单相液体或空气介质低得多，流动机构对音速变化有显著影响。
The reason is that the derived equation assumes the formation is homogeneous and fluid flow is single phase.
具原因在于公式推导中假定地层是均质的、流体做单相流动等。
A "theory of micro element" and equivalent seepage flow was raised to solve the various mass flow of single phase in the horizontal wellbore.
对于水平井井筒的稳定单相流动，提出了水平井井筒管流的“微元段”观点，从而简单实用地解决了井筒内的变质量流问题；
As a result of a single business, the Banks in 2012 if there is no phase of the capital reserve, he would give him the cash flow can be a great deal of trouble.
由于一个单一的业务，银行在2012年如果没有人阶段的资本储备，他将请他的现金流可能是一个很大的麻烦。
The friction and convective heat transfer of single phase water flow in a vertical heated tube at natural circulation condition were experimentally investigated.
以常压去离子水为工质，对自然循环工况下上升加热段内单相水的摩擦阻力及对流传热特性进行了实验研究。
The demonstration indicates that it may be possible to measure two phase flow rate based on the proposed simple theoretical model with a single throttle set.
这一论证预示了可以根据简单的理论模型用单一节流装置实现两相流流量的测量。
In the view of the characteristics of the single-phase natural circulation flow under rolling motion, the research was conducted experimentally.
针对摇摆工况下单相自然循环流动的特点进行实验研究。
In the experiment of determination of flow resistance of single phase, one of the experiments of chemical theory, there were two methods to determine the pressure drop.
在化工原理实验单相流体阻力测定实验中，压差的测定方法一般有两种。
The single phase flow rule of coalbed gas in coal and cleats may be studied by use of non equilibrium adsorption model.
采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
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。
This paper studies the transient flow rule of single phase gas after the well is opened.
本文对开井后单相气体瞬变流动的规律进行研究。
With the increasement of the harmonic quantity in power system, single phase harmonic power flow calculation can't meet the needs.
随着电力系统中谐波的日益增多，单相谐波潮流计算已不能满足要求。
In this study, systematic experimental investigation was carried out on single-phase fluid flow and vapor-liquid two-phase flow heat transfer in silicon microchannels.
本文主要针对微流体在硅基微通道内的单相和汽液两相流动与传热进行了系统的实验研究。
Decreasing the heat flux or outlet two-phase resistance, and increasing the system pressure or inlet single-phase resistance are useful to avoid the natural circulation flow instability.
增大系统压力、减小热流密度、增加入口单相阻力、减小出口两相阻力有利于避免自然循环流量漂移的发生。
Dynamic equation for a single spherical bubble collapse in compressible solid-liquid two-phase flow is established.
建立了可压缩固液两相流中单球泡泡壁运动的动力学方程。
The flow model of single phase flow in the straight tube of the vertical tubular leacher was studied by using NaCl solution tracing and microcomputer sampling.
采用盐水示踪、微机采样来研究垂直管道浸取器直管内单相流的流动模型。
Experiments on heat transfer and frictional pressure drop of kerosene of single phase flow in the internally ribbed tube were conducted and compared with those of smooth tube.
对煤油在内螺纹管中的单相紊流传热和摩擦阻力特性进行了实验研究，并将实验结果同煤油在光管中的实验结果作了比较。
Studied two conditions of acoustic signals when it was single-phase gas and two-phase flow in the pipeline from sound spectrum, acoustic energy, peak frequency and amplitude.
分别从声波频谱，声波能量，峰值频率，以及幅值等方面对管道内为单相气体和两相流体两种状态下的声波信号进行了研究。
The capillary tube model in subcooling single-phase region and two-phase region was established, and the difference of mass flow rate is within 10% between the predicted and the measured values.
建立单相区和两相区毛细管模型，模型计算的毛细管质量流量与实验测量的质量流量差别小于10%。
The paper used acoustic detection method; tested the horizontal pipeline and undulating pipeline in single-phase and two-phase flow situations, and gained the corresponding acoustic signals.
本文采用声学检测的方法，对水平管和起伏管在单相气体和两相流体的情况分别进行了测试，得到了相应的声波信号。
The investigation on heat transfer of single phase liquid flow in a tube with natural circulation is performed.
以常压去离子水为工质，对自然循环工况下上升加热段内单相水的摩擦阻力及对流传热特性进行了实验研究。
On the base of discrete equations, the fluid-solid coupling finite element programs for single phase flow and two phase flow in unconsolidated sandstone reservoir were developed with FEPG.
在有限元离散的基础上，基于FEPG系统自主开发了疏松砂岩油藏单相及两相渗流流固耦合有限元程序。
In this paper, based on the two-dimensional turbulent model of FLUENT software, using the SIMPLEC algorithm, to do the numerical simulation on single phase flow of gas for centrifugal fan.
本文以FLUENT中的二维湍流模型为基础，利用SIMPLEC算法，对离心式引风机进行气体单相流数值模拟。
This paper investigated the behaviors of flow and heat transfer of single-phase in rectangular microchannels with three-dimensional numerical analysis.
通过实验研究了内置均匀加热板的垂直矩形通道入口段混合对流换热的温度场和阻力特性。
YYFA series high-temperature single-phase capacitor running motor axial exhaust fan, YS three-phase asynchronous motor axial-flow exhaust fan.
YYFA系列为耐高温单相电容运转电机轴流式排气风扇，YS为三相异步电机轴流式排气电扇。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
结果表明，微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多，如启动压力梯度、变形系数、生产压差和排距等，并且这些因素均以非线性方式产生综合影响。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
结果表明，微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多，如启动压力梯度、变形系数、生产压差和排距等，并且这些因素均以非线性方式产生综合影响。
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