当水平段出现多相流时会有显著压降。
该技术在多相流实验室中进行了实验，取得了良好效果。
The experiment is run in the lab of multiphase flow, the effect is very good.
根据复杂的分装式混合装药的特点，建立起多相流内弹道模型。
In this paper, two-phase flow interior ballistic model is set up on the basis of the characteristics of complicated separate loading mixed charges.
对自由面的处理一直是两相、多相流中数值模拟的重点和难点。
Surface tracking in numerical modeling of two phase and multi phase is important and difficult.
建立了多相流模型与算法，给出了云雾区的速度场与燃料浓度分布。
The multiphase flow model and algorithm was setup. The velocity fields and distribution of fuel concentration are given.
此方法同样适用于气井试井分析，并有助于多相流试井分析的研究。
The method is also applicable for gas well test analysis, and makes a contribution to the study of multiphase flow well test analysis.
由于深水的存在使得环空多相流的流动特征与陆上相比更加复杂。
The characteristics of multiphase flowing in annuals become more complicate than the land because of the deep water.
在大型多相流实验环道上进行了气体流量快速变化的瞬态特性实验。
The transient behaviors of gas flow initiated by quick change of gas flow rate were tested on a big multiphase flow loop.
多相流态化反应器具有如传质系数高，混合性能好，操作简单等优点。
The multiphase reactor have a lot of advantages such as high coefficient of mass transfer, good performance of mixing and easy to control etc.
目前，气固两相流检测技术已成为多相流研究中的一个亟待解决的问题。
At present, the measurement techniques for gas-solid two phases flow have become a desiderative problem to be solved in multi-phase field.
毛细压力、相对渗透率与饱和度的关系是求解多孔介质多相流运动方程的基础。
For solving porous media multiphase flow equations, capillary pressure-relative permeability-fluid saturation relationships are the most important bases.
本文围绕掺气多相流中气泡的图像测量方法进行了系统而深入的理论和实验研究。
Focusing on image measurement method for bubble in multiphase flow, theoretical and experimental studies have been made in this paper systematically and comprehensively.
这一工具为多相流模拟中模腔内部滑移影响的深入研究提供了便利和有效的工具。
Such a useful tool will provide the convenient and effective way for the further and more profound research on the influence of slip effect inside the mould cavities by multi-phase simulation.
流型识别对研究石油多相流技术具有重要意义，传统流型判别方法存在着诸多弊端。
Flow regime recognition plays an important role in petroleum multiphase flow research. However, the traditional flow regime identifying methods have many shortcomings.
基于三维有限元法的在线多相流测量系统，所接入输油管道的电容式多相流为圆柱形。
For the multiphase flow measuring system on-line based on three dimension finite element method (3d FEM), the capacitance-based multiphase flow which is connected to the oil pipeline is a column.
文章介绍一种用于从河底吸取泥砂并且有自吸排气的离心式多相流泵的结构及水力设计。
This paper introduces the structure and hydraulic design of the multiphase flow centrifugal pump, which draught sands from the riverbed and discharge the air of the suction pipe.
多相流现象广泛存在于石油工业中，控制系统则是多相混输过程中不可缺少的组成部分。
Multiphase flow was existed in the oil industry widely, the control system was an essential integral part of multiphase transport process.
电容层析成像技术是多相流参数检测领域中的一门新技术，在工业中有着广阔的应用前景。
Electrical capacitance tomography (ect) technique is a novel technique used in parameter measurement of multiphase flow and has a wide application prospect in industry.
以多相流理论为基础，结合我国油田的具体情况，介绍了一种计算抽油井井底流压的方法。
On the basis of new research results in vertical multiphase flow and taking into account our oilfield conditions, a method for predicting flowing bottom-hole pressure in pumping Wells is presented.
建立了粒状药与管状药组成的混合装药的多相流内弹道理论模型，编制工程实用的软件系统。
The multi phase flow interior ballistic model for grain and stick propellants are established, a practical engineering software system is completed.
在解释多相流、开发井网、复杂边界和非均质油藏等复杂性试井资料方面，具有独到的优势。
In some ways of interpreting complicated well testing data such as multiple phase flow, producing pattern, complicated border and heterogeneous oil reservoir, this theory has a particular advantage.
提出一种新的基于物理的多相流模型来模拟洪水、泥石流、山体滑坡等一系列自然灾害景象。
This paper describes a new physically based multi-phase flow model to simulate natural catastrophic phenomena, such as flood, debris flow and landslide.
结渣过程是个十分复杂的物理化学过程，其中涉及燃烧、气固多相流、传热与传质等多门学科。
Slagging is a very complicated physical and chemical process which deals with several scientific courses such as combustion, multi-phase flow, heat and mass transfer etc.
本文首先综述了目前多相流(主要是气粒两相流)的研究方法和研究中广泛使用的多相流模型。
This paper first overviews now many multiphase (primarily about gas-particle two phases flow) research methods together with the development of multiphase model.
油、气、水多相流的在线计量在油田开采，尤其是边际油田和海上油田具有特别重要的经济价值。
On-line measurement of multiphase flow of the oil, gas and water mixture is significantly valuable to the exploitation of oil fields, especially located on the sea or far from the city.
井底负压值控制是欠平衡钻井技术的基础，而井底负压值的大小与环空多相流的有关压力计算有关。
The under-balanced drilling technology is based on how to control the bottom negative pressure which is related to the pressure computation of multiphase flow in annulus .
大斜度井中多相流持率计算一直是困绕人们的技术难题，流态及流型判定是影响持率计算的主控因素。
In high Angle Wells, calculating holdup of multiple phase flow is always a difficult technique problem, the judgment of flow regime and flow pattern is the main effect on calculating the holdup.
大斜度井中多相流持率计算一直是困绕人们的技术难题，流态及流型判定是影响持率计算的主控因素。
In high Angle Wells, calculating holdup of multiple phase flow is always a difficult technique problem, the judgment of flow regime and flow pattern is the main effect on calculating the holdup.
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