Based on the model to calculate mixture loss, a new calculation model of pressure drop for stratified flow in horizontal wellbore has been developed by applying the momentum conservation equation.
在混合损失计算模型的基础上，应用动量守恒原理推导出了新的水平井筒气液两相分层流型压降计算模型。
A theoretical analysis is made, by applying linear stability theory, orl the model of gas-liquid stratified flow.
利用线性稳定理论。对气液两相分层流动模型进行了严格的理论分析。
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 recent years, more and more attention has been devoted to studying its flow characteristic and sediment principle with the gradual popularise and application of stratified diversion with deflector.
随着悬板分层式引水枢纽工程近年逐步被推广应用，对其水流特性及输沙机理的研究也越来越受到人们的重视。
The results indicate that the capability of the computational fluid mechanics approach to the prediction of the viscous stratified flow of a moving submarine is validated.
结果表明，采用计算流体力学手段预报运动潜体粘性分层流场是可行的。
The calculation model of thermal wake characteristics of submarine in stratified flow is established in this paper.
建立了在密度分层环境中热尾流特性的计算模型。
Injection timing, in-cylinder flow field and ignition timing are crucial factors that affect stratified combustion.
喷油方向、缸内流场和点火时刻对分层燃烧影响显著。
Then, the variational trends of drag at the gas-liquid stratified flow in pipe have been studied.
该模型充分考虑了油水两相的物性以及两相分层流动对分离过程的影响。
A stratified flow in a horizontal pipe represents the most important form of high concentration powder transport flow.
水平管内分层流动是高浓度粉体输送流型中最重要的形式，研究其阻力特性有着重要的意义。
On this basis, in order to minimize the two objectives of the transport costs to model, to convert it into a network flow model with a stratified, with the minimum cost maximum flow algorithm.
在此基础上以运输成本最小化为二级目标建立模型，将其转化成带有分层的网络流模型，用最小费用最大流算法进行求解。
The effects of the physicalchemical characteristics of the liquids and the oilwater twophase stratified flow on the separating process were fully considered in this model.
该模型充分考虑了油水两相的物性以及两相分层流动对分离过程的影响。
In this paper, under the gas-liquid stratified laminar and turbulent flows, and the mixture turbulence flow by aeration in pipe, the laws of drag reduction have been researched.
本文研究了圆管中气液分层层流、分层紊流及掺气混合紊流情况下的阻力减小规律。
This paper discusses the stability of internal inertial gravity wave in the heterogeneous stratified atmosphere when basic flow appears to be weak vertical shear by the WKB method.
本文应用WKB方法研究了在弱非均匀层结大气中，当基本气流具有弱垂直切变时，重力惯性内波的稳定性问题。
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。
Sample papers on data flow, including density-based sampling, stratified sampling and other dynamic.
关于数据流抽样的论文，包括基于密度的抽样，动态分层抽样等。
With the variation of flow rates and qualities, the flow patterns can be divided into bubbly flow, plug flow, stratified-wavy flow, intermittent flow and annular flow.
随着流量和干度的变化，流型可划分为泡状流、塞状流、分层波状流、间歇流以及环状流。
Multi-components caused complicated flow characteristics of stratified flows due to the difference of their own diffusion and component's contribution to water density.
由于各组分对水体密度的贡献以及其自身的扩散特性的差异使得该类分层流动更为复杂。
The accuracy of flow pattern identification of stratified flow, annular flow, core flow and homogeneous flow is more than 95% and the speed of flow pattern identification is less than 0.3s.
对于层状流、核心流、环状流、均相流等流型，流型辨识的准确率高于95%，辨识一个流型所用的时间小于0.3秒。
According to momentum equation and energy equation, the flow phenomena of the internal hydraulic jumps were analysesed for stratified flows in a channel with slop down or slop up.
本文对于正坡和反坡两种情况，根据上、下层的动量方程和能量方程分析了两层液体的内水跃流动现象，研究并得出了不同流动情况下发生内水跃的条件。
The surfactant has obvious effect on the transition from stratified wavy flow to annular flow.
结果表明，表面活性剂的添加明显影响波状分层流向环状流型的转换；
Results obtained show that reversal procedure of diagonal branch contains two stages, one is stratified flow of smoke and airflow toward different directions, which is a quantitative change stage.
实验结果表明：下行通风角联分支风流的逆转可以归结为烟流和风流异向分层流动的量变过程和风向突变的质变过程。
The technical background materials on a new type of 3D internal wave and stratified flow tank are provided in this paper.
本文提供了作者研制的三维内波及分层流水槽系统的背景技术资料。
The technical background materials on a new type of 3D internal wave and stratified flow tank are provided in this paper.
本文提供了作者研制的三维内波及分层流水槽系统的背景技术资料。
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