Computational fluid dynamics ( CFD) simulations of dispersed two-phase flow through a flue dust change-over valve ( FDCV) were performed. 运用计算流体动力学(CFD)方法对烟气转换阀中的离散两相流场进行了数值模拟。
Dispersed bubble flow only needs process together gas or liquid and pipe wall. 分散泡状流仅需用到气体或液体与管壁之间的相互作用;
Effect of Size of Dispersed Bubbles on Mass Transfer for Pulse Flow in Trickle Beds with Small Particles 小颗粒滴流床中脉动流时分散气泡大小对传质的影响
The wrench stress drives dispersed petroleum in source rocks to the core region of the flower-shaped anticline, which forms productive oil and gas flow in the upthrown block of negative flower structures. 扭应力作用使生油层中的分散油气被强拧驱赶、运移至花状构造背斜核部,在负花状构造的上升盘中形成高产油气流。
The other is criterion for dispersed flow stability, which defines the transition boundary from mixed flow to dispersed flow. 分散流稳定性准则,确定分散流型(O/W)向混合流型(O/W&W)转换的界限。
Upon the numerical results of the gas phase and the dispersed liquid flow, the mass transfer coefficient of the liquid phase is obtained. 在对气液两相流体流动进行了数值模拟的基础上,计算了液滴相的传质系数。
Under the same dispersed phase flow rate, the HTU is only 1/ 2~ 1/ 3 and the extraction efficiency is 2~ 3 times higher in spray extraction than that in liquid-liquid extraction. 在相同分散相流量下,喷射萃取的传质单元高度比液液萃取低1/2~1/3。
Based on the theory of deformation and breakup of the dispersed phase droplets in the flow field of the Newtonian and viscoelastic system, the in situ fibrillating mechanism of soft chain macromolecules in the polymer blending system was discussed. 根据牛顿体系和粘弹体系中分散相粒子在流场中的形变和破裂理论,阐释了聚合物熔融共混体系中柔性高分子的原位成纤机理;
In this paper, basing on Xiao flow pattern recognition methods, four flow pattern such as stratified flow, slug flow, annular flow and dispersed bubble flow are divided. 基于Xiao等人的流型判别法,将流型分为分层流、段塞流、环状流和分散泡状流等4种流型。
The pressure-gradient prediction models of stratified flow, dispersed flow and annular flow are presented based on its own flow regimes and characteristic. Meanwhile, the effect and mechanisms of primary influencing factors on the frictional pressure drop are discussed. 本文针对几种主要流型的流动形态和压降特征,建立油水分层流动、分散流动和环状流的摩擦压降预测模型,并探讨了影响摩擦压降的主要因素和影响机理。
An theoretical prediction model for the transitions from two-phase bubbly and dispersed bubbly flow in horizontal helically coiled tubes 卧式螺旋管内汽液两相泡状流转变的理论预报模型
Theoretical and experimental research on pressure drop of variable mass dispersed bubble flow in horizontal wellbore 水平井筒变质量分散泡状流压降的理论与实验研究
Lateral and axial mixing of the dispersed particles in a vertical gas-solid cocurrent flow system 气固并流系统中弥散颗粒混合行为的研究
An experiment investigation on the pressure drop for oil drop dispersed flow through horizontal pipe 水平管内油滴分散流摩擦压降特性的实验研究
Dynamic analysis of dispersed particles in the swirling flow field 旋流器中分散相颗粒动力学分析
In this paper, an experimental study of dispersed flow boiling in vertical annulus has been carried out. 本文对低压、低质量流速下垂直环形通道中弥散流沸腾传热进行了理论分析和实验研究。
Variation of the dispersed phase morphology of polymer blends in flow 流场中高分子共混物分散相的形态变化
The way of researching into the injected and the dispersed liquid's flow characteristic in the reservoir of porous medium by injecting some gas tracers has been proved to be an efficient method. 在油藏中注入各类气体示踪剂,来了解注入流体和被驱替流体在储层多孔介质中的运移特征的示踪剂方法是注气油藏开发动态监测的重要手段之一。
An experimental study of dispersed flow heat transfer in vertical annulus at low mass flow rate 垂直环形通道中低质量流速下弥散流传热实验研究
And the criteria on flow pattern transition of stratified flow, dispersed flow and annular flow are gave by analyzing the analytical solution. 对各流型之间的转变进行解析分析,得到分层流、分散流和环状流的流型稳定性判别式。并对分散流中的反相现象进行详细的探讨。
Based on the experimental data, local phase fraction distribution pattern of oil and water two-phase dispersed flow is obtained. 得到了油水两相分散流的局部含油率分布类型图。
To judge the transition from dispersed bubble to intermittent flow pattern in horizontal wellbore by force analyzing of dispersed bubble; 通过对分散气泡进行受力分析,得到水平井筒分散泡状流向间歇流流型转变的判别方法;
The interaction between the dispersed droplets and the turbulent fluid has long been an important subject of study in the mechanism of multiphase flow and combustion in the interior ballistic theory of liquid propellant guns. 离散的液滴与湍流场的相互作用一直是液体发射药火炮内弹道理论中多相流动和燃烧机理研究的重要课题。
A tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. 研究了圆管反应器中四束侧向对撞射流与轴向流形成的混合流动。
The research indicated both dispersed points texture and line type texture appeared on recurrence plot for the transitional oil/ water two phase flow pattern; 研究结果表明对油水两相流过渡流型,在递归图上表现为分散点或线条纹理两种纹理结构特征;
By the role of gravitation, distributions of dispersed phase and flow velocity are no longer symmetry in horizontal wells or incline wells, which is different from vertical wells, and the flow pattern becomes even more complex, that will impact the measurement and logging explanations. 与垂直井的主要区别是由于重力影响使得水平流动和倾斜流动的介质分布和速度分布不再具有对称性,流型更加复杂,对测量和解释产生影响。
The research object of this paper is five different aspect ratio inlet mini-hydrocyclones with the same cross-sectional area. Study the continuous phase flow field, pressure distribution and dispersed phase flow in the different mini-hydrocyclones. 本文的研究对象为相同截面积的五种不同宽高比进口的微旋流器,研究了不同进口结构旋流器内的连续相流场,压力分布及分散相流场。
And By using dispersed phase model in Fluent, floating track and flow velocity of green sand is analyzed. 并应用Fluent软件提供的离散相模型,对砂粒的流动轨迹、流动速度进行了分析。