沟流

应用CROSSER格栅后，基本消除了床层中存在的沟流、偏流现象，使得床层温度分布更为均匀；

After the CROSSER grid was used , channel flow and refracted flow were basically eliminated , allowing for more even distribution of bed temperature .

旋流流态化，克服了沟流及死角现象。

Fluidization of rotational low , it overcomes channel low and dead corner .

实验结果表明，对B类和D类物料，搅拌器的加入有助于消除沟流，并使流化床床层压降降低，临界流化速度增大。

It can be seen that when an agitation is used , the pressure drop AP is reduced and Umf is increased in the fluidization of powders of group B or group D.

通过观测ABR污泥床内沟流现象、颗粒污泥的形成、污泥颗粒化程度探讨了ABR内污泥量与反应器运行及污泥颗粒化的关系；

The relationship of sludge quantity in ABR with running and sludge granulation is discussed by observation channel phenomenon and sludge granulation .

通过动态旋转技术，可以有效抑制管束间流体的沟流效应，同时管内流体将出现类似Dean游涡的二次流，从而使得管两侧的传递效果都将得到改善。

Through the proposed technique , channelling effect is reduced on the shell side of rotating tube bundle , a secondary flow similar to Dean vortices do exist in a rotating tube , and the heat and mass transfer efficiencies on the shell side are improved .

当频率低于100Hz或高于150Hz时，随着频率的进一步降低或增加，超细颗粒的临界流化速度都增大，甚至又出现节涌和沟流，声波的效果减弱甚至消失。

However , the improving effect of acoustic field on the quality of fluidization will be weakened , and even disappeared when the sound frequency is lower than 100 Hz or greater than 150 Hz .

新的井流及沟流理论与计算用公式

New theories and formulas for gravity flows towards wells and galleries

粘性土坡面细沟流的水力特性试验研究

Experimental Study on Hydraulic Characteristics of Rill Flows over Clay Soil Slope

塔板沟流及其影响

Liquid channelling and its effect on plate efficiency

通过添加磁性大颗粒，破碎活塞及沟流，显著改善了非磁性粘性颗粒在磁场流化床中的流化性能。

The fluidization behavior of non-magnetic cohesive particles in a magnetic fluidized bed was investigated .

二维槽沟流的数值模拟

Numerical prediction of two-dimensional flow in trenches

用于膜蒸馏的中空纤维组件中沟流效应的数值模拟研究

Study on the Channelling Effect in Hollow Fiber Module Applied in Membrane Distillation by Numerical Simulation

本文用平面二维潮流泥沙数学模型，模拟了清水沟流路北汊入海口海域的潮流泥沙扩散和河口淤积延伸方向等问题。

Two Dimensional tidal current sediment numerical model was applied to simulate tidal current movement and sediment diffusion .

且当玻璃珠的添加量大于10∶1时，其沟流现象很小，流化质量较好。在本实验中，采用床层压降曲线来表征其流化性能。

The fluidization quality of the powder was shown by the curves of pressure drop across the bed .

讨论雾沫夹带及沟流对塔板效率的影响.伴有局部掺混的异重流水跃

The effects on plate efficiency with entrainment and channeling are discussed . Density current hydraulic jumps with local entrainment

土壤侵蚀链内细沟浅沟切沟流动力机制研究

Study on dynamic mechanism of rills , shallow furrows and gully in the soil erosion chain ON THE FORCE

提出局部封装分率的概念对普通膜组件的沟流现象进行解释。

A conception of partial packing fraction is brought forward to illuminate the channeling phenomenon in axial hollow fiber modules .

床内设置搅拌，避免了潮湿物料的团聚及干燥过程中形成沟流。

In the bed there is stirrer . It avoid agglomeration of damp material and forming channel flow during drying .

对用于膜蒸馏的中空纤维组件数学模型进行了求解，并用模拟计算结果分析组件中存在的沟流效应。

The mathematical model of hollow-fiber module used in membrane distillation ( MD ) was setup and solved by numerical method .

固液界面效应影响竖壁沟流波动研究

The Effect of Interfacial Interaction of Liquid and Solid Surface on the Wavy Behavior of Rivulet Flowing Downward along a Vertical Plate

料斗设置搅拌，避免潮湿物料团聚及干燥时形成沟流。

Inside the hopper there is a stirring device in order to avoid agglomeration of raw material and forming canal of flow .

缠绕式膜组件消除了沟流现象，并有利于壳程流体的径向混合。

With helical wound module , channeling phenomenon can be relieved , and hollows fiber membranes can act as spacer in the shell .

为稳定黄河入海流路，尽可能延长现行清水沟流路的行洪时间，进行了清8人工出汊。

To steady the Yellow River channel into the sea and to delay the floodtime of present Qingshui gully , the artificial outlet of Qing 8 was realized .

渣、铁沟流嘴的合适位置可用本文提出的理论计算方法并结合实践经验确定。

The suitable position of iron and slag runner 's nose can be determinated by the theoretical calculation method presented in this paper and according to actual experience in design practice .

依据液体二维不均匀流动、二维涡流扩散模型，提出一个雾沫夹带及沟流对塔板上液体分布影响的数学模型，得到该条件下的塔板效率计算公式。

A mathematical model for liquid concentration on tray and a formula on tray efficiency are proposed considering of entrainment and channeling , under the condition of the two dimension non-uniform flow and two dimension eddy diffusion .

提出了避免床层发生局部死床和沟流的数学模型.2.开泵过程中，沉积在井底的岩屑一般经历沟流、节涌、崩裂、聚团流动四个阶段；

A mathematical model is proposed for the absence of partial fluidization and channeling in the bed . 2 . The cuttings will pass 4 phases which including channeling , slugging , bursting apart , getting together .

分流河道基本稳定，形成单一入海流路，河道延伸，清水沟流路较为稳定前进，在沿岸潮流及科氏力作用下，主河道继续向东南方向偏移。

Stable distributary channel , forming a single into the sea road , river extension , more stable water channel flow path forward , the trend of the coast and the Coriolis force , the main channel continued to shift to southeast .

利用床层压降、床层膨胀率数据监测发生沟流时的沟道宽度的微弱变化：压降值减小，沟道大幅度变宽；压降值增大，沟道宽度变化不大。

Bed pressure drop and bed expansion data have been used to monitor slight change of channel width : if pressure drop values decreased , the channel must become wider ; if pressure drop values increased , there is little change in channel width .