It was found that there exists a secondary flow region nearby the wall.
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 is found that there is a secondary flow on the annular cross section.
结果表明:环形截面上存在二次流。
It is found that the secondary flow are taken place on the annular cross section.
结果表明环形截面上存在二次流动。
The in-cascade secondary flow exercises an influence on the cooling air distribution.
栅内二次流对冷气分布有影响。
Secondary flow velocity can be obtained with respect to cross suction normal vorticity.
以截面法向涡量为基础,可求解得到与涡量对应的二次流速度场。
The details of the flow fields such as the backflow, vortex and secondary flow were revealed.
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;
As Reynolds number increases from, two vortices of the secondary flow turn around a left-right position to an up-down position.
本文还发现当雷诺数从很小值逐渐增大时,两次涡位置发生由左右相对到上下相对的有趣旋转。
The greater the stirring intensity, the more prominent the secondary flow phenomena is and the higher the position of hot area is.
搅拌强度越大,钢水的二次流现象越明显,热区位置越高。
We analyze the effects of the flow parameters and the geometrical parameters on the axial flow, the secondary flow and the friction.
分析了各种流动参数和几何参数对轴向速度、二次流动、壁面摩擦力、摩擦系数比的影响。
Based on the analysis of the streamline of primary and secondary flow in secondary combustion chamber, flow-in position concept was put forward.
通过一次流、二次流流线和燃烧效率分析,提出了一次流切入点的概念。
In the parallel channel rotation problem, secondary flow will uniform the velocity and temperature profile and lead to heat transfer enhancement.
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。
The effects of curvature and torsion on secondary flow, isoline of stream function and distribution of the axial velocity of flow were discussed.
讨论了曲率和挠度对二次流动、流函数等值线和轴向速度的影响,研究了不同曲率和挠度螺旋管道内流量与压力梯度之间的关系。
The separation flow is three dimensional in hydraulic machine. The pressure gradient in cross direction produces secondary flow in boundary layer.
水力机械的分离为三维流动,三维流动的侧向压力梯度产生边界层的二次流动。
Besides the mainstream, there are still some secondary flow phenomena, such as short-circuit flow, vertical eddy and eccentric circulation vortex.
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。
The most affected was secondary flow losses for the energy loss distribution along the blade height, other losses along the distribution was average.
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。
Consequently, secondary flow is generated by the combined effects of centrifugal and Coriolis forces and it may induce separation of the boundary layers.
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。
According to the characteristic of the secondary flow of the oxygen turbopump, the nodes are distributed and the whole fluid flow network model is developed.
根据涡轮氧泵内流路的工作特点,对其进行节点划分,建立了完整的内流路拓扑网络。
Test results show lower exit average total pressure recovery, larger circumferential total pressure distortion and stronger and more irregular secondary flow.
试验表明其出口平均总压恢复系数较低,周向总压畸变指数较大,旋流较强且很不规则。
Along with the increase of the secondary flow pressure ratio, the shock move toward upstream divergent section and the thrust vector angle gradually increases;
次流压比的增加将导致激波向扩张段上游移动,且喷管矢量角不断增加;
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.
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。
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.
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。
The calculation of the transverse transport of sediments with secondary flow in river bends is very important to the investigation of the transverse change of channel.
河湾副流的横向输沙计算,对于研究河道横向演变及其变形规律具有很大的实际意义。
The numerical simulation has been carried out to investigate the secondary flow in the compressor cascades composed of the positive curved blades and negative curved blades.
为了改善扩压叶栅气动性能 ,采用拟压缩性方法对不同周向弯曲角度的正弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟 。
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.
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。
In this paper the effects of gland leakage on the secondary flow and outlet flow fields in the governing stage stator cascade of a 300mw turbine set are simulated numerically.
以一台300MW汽轮机组的调节级静叶栅为研究对象,就轴封漏汽对叶栅二次流及出口流场的影响进行了数值模拟。
The limiting streamlines, secondary flow patterns and velocity distributions of the two flow fields are analyzed by comparison between their numerical and experimental results.
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。
While an incompressible liquid flows through a rotating inclined-tube with a constant pressure gradient the secondary flow due to Coriolis Force appears on cross section of the tube.
流体在压差作用下,流经绕与中心线成任意角的转轴匀速旋转的圆管时,由于哥氏力的作用,垂直于中心线的截面内将产生二次流。
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.
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 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.
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.
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;
应用推荐