Solids holdups of gas-solid two-phase upward flow in fully developed region of CFB Riser

上行气固两相 流充分发展段的颗粒浓度

On the basis of theoretical analysis and experimental research on models the feasibility the basic principle and the main reasons for high effective treatment of high turbidity water by upward flow wing plate channel have been verified and analysed in this paper .

本文通过理论分析和模型试验，验证了 上 向 流翼板槽处理高浊度水的可行性，探讨了其处理高浊度水的基本规律，并分析了其处理高浊度水具有高效性的主要原因。

Research on sedimentation of high turbidity water by upward flow wing plate channel

上 向 流翼板槽处理高浊度水的沉淀试验研究

Liquid loading flow is a particular case of two phase upward flow . Holdup and pressure drop of liquid loading flow ( including slug flow churn flow and blowout ) were investigated in a vertical tube using different fluids as liquid phase .

以不同粘度的流体为液相，在垂直管中研究了液体 填塞 流（包括弹状流、块状流和泛出流）的持液率和压力降。

NIBCO Iron Body Check Valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position .

尼伯科铸铁阀体止回阀可以安装在水平管线或 流向 朝 上的垂直管线中的任何位置上。

The results indicate that for upward flow in a vertical tube with the increasing of heat flux heat transfer is reduced by the influence of buoyancy and impairment of heat transfer occurs .

对垂直管内蒸汽和水 逆向 流动时的降膜蒸发、蒸汽夹带液体及传热恶化特性进行了详细的试验研究，发现降膜蒸发管工质入口端的壁温首先突然升高和出现波动。

In vertical lines or for any angle from horizontal to vertical they can be used for upward flow only .

在垂直管路，或者水平到垂直之间的任何角度的管路， 止 回 阀只能用在 流向 朝 上的管路 上。

In the vertical narrow annular channel with bilateral heating the critical heat flux of annular upward flow was studied . A mathematical model on the base of the mass momentum and energy conversation equations was developed .

在双面加热的垂直环形窄缝通道内，对 向 上 流动环状 流的临界热流密度（CHF）进行理论研究，以质量、动量和能量守恒方程为基础建立数学物理模型。

Abstract The densification of the solid volume concentration in fluidized bed reactor and the kinetic action of forced stirring and upward water flow to the cluster granulation in fluidized bed are discussed .

本文分析讨论了流化床固体体积浓度的致密作用特点，以及流化床中强制搅拌和 上升 水流对结团造粒过程的动力作用。

The experimental results together with large amounts of observation judgment are used to ascertain the flow patterns of horizontal and vertical upward flow in micro / mini channels .

通过对大量实验现象的观察和实验结果的分析，确定了微细通道内水平及垂直 上升 流动基本流型，对各流型间的过渡转换进行了详细的讨论与描述，并分别绘制了流型图。

This asymmetric upward-diffusion mechanics form a true adatom upward diffusion flow and finally result in the quantum dots formation .

这一不对称的吸附原子向上扩散机制，使在生长过程中可以形成一个原子真正 向 上的扩散 运动，最终形成了量子点。

Acceleration behaviors of particles in gas-solid two-phase upward flow

气固两相 上行 流动中颗粒加速行为的研究

The experimental results show that gas-solid two-phase flow in the bed presents a typical core-annular structure which includes a rapid upward particulate flow at the core area of the bed and a relatively slow downward particulate flow near the wall .

实验结果表明，内循环流化床内气固两相流动呈现出典型的环-核结构，即中心为快速 向 上的颗粒 流柱，而边壁为相对低速回落的环状粒子流。

Experiments with Upward Oil-water Flow Through the Vertical Concentric Annulus . A new and uniform method to express the constitutive equation for analyzing non-Newtonian fluid flow was put forward on the analyses of all items in momentum equation .

为了解决此问题，在分析流体运动方程中各项物理意义的基础上，给出了一种统一的本构方程的书写形式，用于研究非牛顿流体圆管和环 空管 流 层流 流动 规律。

Upward flow of gas and solids in the core and the backmixing of material in the annulus are taken into account in the model twelve hypothesizes are put forward to establish the mass transferring model .

首次提出了考虑到流化床内中心区气固 流 上升和环壁区物料返混的流化床脱硫数学模型，并提出了模型的12点假设。

The average residence times of the upward flow were closer to the theoretical values the percentage of dead was smaller and flow patterns were closer to plug flow .

上 向 流平均停留时间与理论值较为接近，死区百分率较小且流型更接近与活塞流，是首选方案。

The Modified Formula of Calculating Oil & Gas Upward Flow Velocity

油气 上 窜速度计算公式的修正

Flow Field Experimental Research on Upward Flow Hydraulic Separator Using PIV Technology

应用PIV技术对 上升 流水力分选机流场的试验研究

According to the experimental data a new correlation for the prediction of local interfacial area concentration is developed and it applies to upward bubbly flow in a vertical pipe .

根据试验数据的分析结果，发展了一种垂直 上升管 内气液两相泡状 流局部界面浓度预测模型。在本文实验条件下，该局部界面浓度模型预测结果能够与实验数据很好地符合。

The world vertical upward flow round critical heat flux experimental database is analyzed based on the slice method similarity measure heat balance and inlet temperature verification .

采用切片法、相似度概念和热平衡以及进口温度检验法，对收集到的圆管垂直 向 上 流动临界热流密度实验数据库进行了分析。

May be installed in both horizontal and vertical lines with upward flow .

可以安装在水平位置，或 流向 朝 上的垂直位置。

Overpressure is formed by the unequilibrium of emitting water consolidation and prevents the upward flow of oilfield water .

异常高压由排水固结的不均衡所形成，它的存在阻止了油田水 向 上 运移。

The technique is carried out by injecting an inert gas into melts in crystallizing tubes to produce upward slug flow which is employed to enhance heat and mass transfer between the crystal layer and melts and to increase the separation efficiency and the crystal layer purity .

它是通过 向结晶管内熔体中引入气体，形成弹状 流动，以增强熔体与晶层之间的热、质传递过程，实现物系高效分离和纯化的一种结晶方法。

Liquid holdup measurements in downward flow and upward flow fixed - bed reactors

气液 向 上或向下并 流固定床动持液量测定

Multi-scale analysis of pressure fluctuation in vertical upward bubbly flow

垂直 上升 管泡状 流压力波动的多尺度分析

The axial speed in the downward flow zone for this device is slow while it is quick in the upward flow zone .

处理装置内轴向速度在下行流区较慢，在 上行 流区较大。

A study on wall mass transfer characteristics in a gas-liquid inclined upward slug flow

倾斜 上升 管内气液两相弹状 流壁面传质特性研究

Study on the Velocity of Taylor Bubble in Inclined upward Slug Flow

倾斜 上升弹状 流中Taylor气泡运动速度研究

Circulation flows in underbalanced drilling include downward flow in drill pipe and upward flow in annulus . The circulation flow system is studied according to the gas-liquid two-phase flow theory and a new dynamic model is established .

把欠平衡钻井循环流动分为钻柱内向下流动和环空 向 上 流动，按气、液两相流动问题研究该混合体系流动过程，建立新的理论模型。

In its upward flow it creates a radiation sphere of influence that increases disseminates propagates and energizes all life force .

其 向 上 的 流动会产生有影响力的辐射球，会增加、散发、传播和激励所有的生命力量。