旋涡结构

气盘孤立波及其对星系旋涡结构和Titius-Bode定则的说明

On Gaseous Solitons of A Two Component Disks and An Explanation to Spiral Structure of Galaxy and The Titius-Bode Rule

黑子半影具有旋涡结构。

There is the spiral structure in the sunspot penumbra .

直弯扩压叶栅内旋涡结构PIV研究

The Investigation of Vortex Structure in Straight and Compound Lean Compressor Cascades Via PIV

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 .

关于Krain实验叶轮几何型线及其流道二次流旋涡结构的讨论

Discussion on the geometry and the secondary flow vortex structure of krain 's experimental compressor impeller

子午扩张对涡轮内旋涡结构影响的数值模拟

Numerical Simulation of Meridional Divergence on Vortex Structure in Turbomachinery

一种测量气液两相旋涡结构的装置

A Measuring Device for Structure of Gas-liquid Two-phase Vortex

后加载叶型叶栅的拓扑与旋涡结构

Topology Vortex Structure of Turbine Cascades with Aft-Loaded Profile

三维超声速隔离段湍流内流场旋涡结构的数值模拟

Numerical Simulation of 3D Turbulent Vortex Structures in Isolator

圆柱绕流远场旋涡结构的数值研究

Numerical simulation for the vortex structure in the far wake behind the cylinder

旋涡结构的湍流统计理论

On the statistical vortes structure theory of turbulence

具有叶顶间隙涡轮转子叶栅流动的拓扑及旋涡结构观测

Flow observation of topological and vortical structure in turbine rotor cascades with tip clearance

正弯涡轮叶栅内旋涡结构的数值模拟

Simulation of vortex structure in bowed blade channel

横流中圆孔湍射流的旋涡结构

Vortex structures of round turbulent jets in cross-flow

横流中有限宽窄缝射流的旋涡结构

Vortex structure of slot turbulent jets in cross-flow

当今在透平机械行业中的研究人员常常会被二次流旋涡结构的研究所吸引。

Study on secondary flows in turbomachinery has attracted the attention of researchers in turbomachinery community .

具有叶顶间隙的涡轮正弯叶栅流场的拓扑与旋涡结构

Topological and Vortex Structure the Flow Field of the Positively Curved Cascade with the Tip Clearance

分析了叶栅三元粘性流场中的旋涡结构。

In addition the structures of vortices within three-dimensional viscous flow fields in cascades are analysed .

这种旋涡结构可能是由于A本影的逆时针自旋运动造成的。

The formation of this spiral structure may be caused by the anti-clockwise spin of umbra " A " .

在此基础上研究了控制上述尾迹旋涡结构和抑制涡激振动的方法。

Based on the above models , the methods to control the structures of the wake vortex and restrain the vortex excited vibration are studied .

采用离散涡方法模拟了两种不同形状哨嘴的喷嘴出口流场旋涡结构和压力分布。

The discrete vortex method was adopted to simulate and analyze the vortex structure and pressure distribution of the flow field at the nozzle exit .

在此基础上，分析了瞬时流场和时均化后的流场差别及旋涡结构特点；

Based on this , the differences between the transient flow field and the time-averaged flow field and the characteristics of the vortex structures are analyzed .

有叶顶间隙的涡轮弯叶栅拓扑与旋涡结构（Ⅰ）&试验模型、端壁与叶片表面拓扑结构

Topology and Vortex Structures of a Curving Turbine Cascade With Tip Clearance (ⅰ) - Experimental Model and Topological Flow Patterns on Both Endwalls and Blade Surfaces

这个质子活动区的主要形态特点是前导大黑子A的半影纤维的顺时针旋涡结构。

The main morphological feature of this proton active region is the clockwise spiral structure of the penumbral filaments of the large preceding spot " A " .

文中分析了两种工况下流场中的旋涡结构的特点和突起物上、下游及顶部旋涡的运动特性和细部特征。

The vortex structures , the movement performances and detail characteristics of vortex in upstream , downstream and top of obstacle under the two cases are analyzed .

结果表明，随着声压级的提高，管中规则稳定的旋涡结构逐渐变化，出现合并、破裂等现象，在高强声下声致流动开始呈现出一定的湍流特性。

The experimental results show that , with the appearance of vortex combining and breaking in the tube , the acoustic streaming presentes some turbulent characteristics apparently .

本文应用激光蒸汽屏方法揭示了在跨超声速时，战术弹模型大攻角下的空间流态，同时，分析了旋涡结构和涡系干扰。

This paper reveals spatial flow tactical missile by method of laser vapor screen visualization at transonic and supersonic speeds , at same time , analyzes the vortex structure and the interactions of vortex vortex and vortex shock .

本文采用大涡模拟方法数值模拟了流向椭圆喷嘴的湍流横向射流，重点研究了这种湍流射流中旋涡结构的产生、发展等动力学演化过程。

In this paper , the 3-dimensional turbulent jets in crossflow with stream-wise and transverse arrangements of nozzle are simulated with the method of Large-eddy simulation , with the stress on the dynamical process of generation and evolution of vortex structures in these flows .

与单蜗壳在周向均匀来流的假设下计算所得的旋涡结构相比，两者存在很大的差别，这说明只有考虑蜗壳来流的非均匀性影响，才能比较准确地模拟其内的旋涡运动。

As compared with the swirling flow calculated according to a uniform inflow of volute , the swirling flow influenced by a distorted inflow of volute is quite different from that , which concludes that more appropriate numerically results can be obtained in consideration of the distorted inflow of volute .

首先，改进旋涡头结构，设计可调整喷嘴倾角和位置的旋涡头。

An equipment which can adjust the nozzle 's obliquity and position has been designed .