The process for the formation of the streamwise vortex in a transitional boundary layer is described.
给出了转捩边界层中流向涡产生的物理过程。
Expressions of streamwise deformation of open channel flood streams are obtained based on experimental data.
从试验资料的分析得到了明渠流洪水波沿程变形的表达式。
All particles reduce the jet velocity half-width, but the effects on the streamwise mean velocity profiles are complicated.
所有的颗粒都降低了射流速度半宽，但对流向平均速度剖面的影响比较复杂。
An experimental investigation of effects of two kinds of streamwise-grooved blades on the performance of an axial-flow fan was performed on an axial fan test rig.
在低速轴流风扇实验台上，通过对比测量光滑转子叶片、两种表面具有流向沟槽的非光滑转子叶片风扇的气动性能，研究了叶片沟槽面对风扇气动性能的影响。
The results show that the streamwise mean velocity profile of particles takes on a Gauss distribution, and the lateral mean velocity profiles assumes a Sine distribution.
结果显示，颗粒的流向平均速度剖面呈高斯分布，而横向平均速度剖面则呈正弦分布。
With increasing convective Mach number the streamwise fluctuation intensity varies little but the transverse and spanwise intensity along with the thickness growth rate decrease.
随着对流马赫数的增加，流向脉动强度变化不大，横向和展向脉动强度减小，混合层的扩张率随之减小。
The flow visualization by means of smoke and measurement of 3 -d flow field are conducted to investigate physical model of the streamwise corner vortexes in a compressor cascade.
本文采用烟显示和三维流场测量的方法，研究扩压叶栅角涡的物理模式。
In the power spectrum of the streamwise velocity fluctuation, the power intensity at low frequencies was larger and the power intensity at high frequencies was smaller than that for water.
在主流速度脉动能谱中，低频运动强度大于水流，而高频运动强度低于水流。
The experiment results show that using non-smooth blades can change the exit streamwise vortex structures. The exit flow fields tend to well-distributed. The overall blade losses are reduced.
实验结果表明，采用非光滑叶片改变了叶栅出口旋涡结构及流动分布，使叶栅出口的流场趋于均匀，叶片可以随更大的负荷。
The experiment results show that using non-smooth blades can change the exit streamwise vortex structures. The exit flow fields tend to well-distributed. The overall blade losses are reduced.
实验结果表明，采用非光滑叶片改变了叶栅出口旋涡结构及流动分布，使叶栅出口的流场趋于均匀，叶片可以随更大的负荷。
应用推荐