栅内二次流对冷气分布有影响。
The in-cascade secondary flow exercises an influence on the cooling air distribution.
结果表明：环形截面上存在二次流。
It is found that there is a secondary flow on the annular cross section.
提出了“抑制效应”、“准二次流”概念。
The concepts of suppress effect and quasi-secondary flows are posed.
本实用新型涉及一种二次流膜装置，属于膜分离领域。
The utility model relates to a secondary flowing membrane apparatus, belonging to the membrane separation field.
搅拌强度越大，钢水的二次流现象越明显，热区位置越高。
The greater the stirring intensity, the more prominent the secondary flow phenomena is and the higher the position of hot area is.
空腔内的旋转流动常常涉及二次流、旋涡破裂等复杂问题。
Rich complicated flow problems present in swirling flow inside container, secondary flows, vortex breakdown, to name a few.
在小流量工况下，二次流损失和内泄漏损失相对最为严重。
Under the condition of low flowrate, the losses due to swirling flow and inner leakage are usually higher than the others.
发现在近床壁处存在着二次流区，它与主体流区之间进行着粒子交换。
It was found that there exists a secondary flow region nearby the wall.
揭示了导叶内部回流、漩涡，以及出口流动滞止区、二次流等流动细节；
The details of the flow fields such as the backflow, vortex and secondary flow were revealed.
研究结果表明，吹风比对旋转状态下二次流的流动形态起着决定性作用。
The results show that the average blowing ratio plays a decisive role in the flow patterns.
实验并且采用考虑粘性的涡传输方程计算端弯压气机叶片通道出口二次流。
The outlet secondary flows in compressor cascades with end-bend blades have been studied experimentally and numerically. The viscous secondary vorticity equations are applied to prediction.
不同二次流与叶片颤振的相关性中尖部漏流涡对叶片气弹稳定性的影响较大。
The tip leakage vortex may have greater effect than other vortexes, that is consistent with the experimental results.
本课题采用有限元分析方法研究非线性脉搏波在S型血管中的速度波，二次流。
In the research work, finite element analyses is adopted to study the velocity wave and the secondary flow of nonlinear pulsatile flow in the S-shaped curved arteries.
结果表明，静子尾迹的非定常作用一定程度减小了转子轮毂二次流的径向涡量；
The results indicate that periodic stator wakes can reduce the radial vorticity of hub passage vortex.
二次流是叶轮通道内流动损失的一个原因，对离心叶轮机械的性能产生不利的影响。
Consequently, secondary flow is generated by the combined effects of centrifugal and Coriolis forces and it may induce separation of the boundary layers.
凸型间隙在叶片前缘引起了流动分离，凹型间隙存在一高速区，增加了二次流损失。
There are flow separations at the front blade of bulge tip clearance. The high speed area of groove tip clearance increases the secondary flow loss dramatically.
旋风除尘器内除主流外还存在着二次流现象，主要有短路流、纵向涡流、偏心环流等。
Besides the mainstream, there are still some secondary flow phenomena, such as short-circuit flow, vertical eddy and eccentric circulation vortex.
基于实验数据和数值模拟结果，研究了外界反压和底部二次流对塞式喷管底部的影响。
Based on experimental data and numerical simulation results, effects of ambient pressure and base bleed on aerospike nozzle base behaviour are investigated.
对于能量损失沿叶高分布影响最大的是二次流损失，其他损失沿叶高分布相对比较平均。
The most affected was secondary flow losses for the energy loss distribution along the blade height, other losses along the distribution was average.
在与测量数据比较的基础上，对两种流场的极限流线和二次流图谱及速度分布等进行了分析。
The limiting streamlines, secondary flow patterns and velocity distributions of the two flow fields are analyzed by comparison between their numerical and experimental results.
与常规叶片相比，二次流损失较小的后部加载叮型所构成的叶栅内的通道涡在结构上较为稳定。
Compared with conventional blade, the passage vortex structure is more stable in cascade with aft-loaded blade which secondary loss is small.
给出了典型的试验曲线，并分析了“瓦”状塞式喷管的高度特性和底部二次流对性能的影响情况。
The typical experimental curves are showed. The altitude characteristic and the effect of base bleed on aerospike nozzles are analyzed too.
结果显示，该种喷管具有很好的高度补偿特性，在底部加入适当的二次流能使喷管性能稍有提高。
The experimental results indicate that the tile shaped aerospike nozzle has good altitude compensation ability, and that the proper base bleed can promote the nozzle performance.
得出了叶片周向前弯后， 叶顶部分的附面层减薄，二次流损失减小的结论，与实验结果吻合；
The boundary layer thickness of the forward skewed rotor decreases in the top of blade due to reduction of the secondary flow loss. This fact conforms with experimental investigation.
计算获得了分离流、二次流和多尺度旋涡结构，表明SST模型能很好地预测尾水管内的湍流流动。
Finally, separation flow, secondary flow and multi-scale eddy structure are simulated, it indicates that SST model can give a good prediction of turbulence in the draft tube.
平行通道旋转流动换热问题中旋转产生的二次流使截面的速度和温度分布趋于均匀，从而换热得到强化。
In the parallel channel rotation problem, secondary flow will uniform the velocity and temperature profile and lead to heat transfer enhancement.
不同的转动数下流场的形态有明显的差别，这表明由哥氏力引起的二次流在确定流场结构时起重要的作用。
The evident difference among the flow patterns with different rotation number shows that the secondary flow induced by Coriolis force takes an important role in determining the flow structure.
分析了偏心距和旋转对于二次流以及轴向速度分布的影响，同时给出了平均摩擦系数和壁面摩擦力的分布。
Effects of eccentricity and rotation on the secondary flow and maximal axial velocity were analyzed, and the average friction factors and the wall friction distributions were also presented.
小径高比的叶片采用静叶片的正倾斜的方法能够有效地控制流道内部的径向二次流和叶栅顶部的分离流动；
The method of forward leaning stator blade, which can effectively control the radial second flow and the top separate flow, is applied to the design of the small diameter-height ratio blade.
本文通过运动学分析，得到了涡量与二次流之间的关系方程，介绍了弯曲流道内二次流结构的可视化新方法。
The equation between secondary flow and vorticity is established through kinematic analysis. One new method of digital visualization for secondary flow in curved passage is presented.
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