The strength and position of vortical cores and lines can iteratively be got by satisfying boundary conditions .

选择初值迭代求解 自由涡线、 涡核的强度和位置。

Numerical investigation of the effects of different leading-edge profiles on vortical flows over a double-delta wing ;

计算模型包括尖前缘、菱形前缘、圆形前缘等三种不同 前缘形状的机翼。

Numerical study on the role of vortical and divergent components of wind stress in ENSO cycle

风应力的 旋转和辐散分量在ENSO循环中作用的数值试验研究

Enhancement of the vortical effect can benefit both the side force and the normal force .

涡 系 诱导作用增强，对侧向力和法向力都有增值。

Under the interaction of the vortical disturbance and the local roughness element T-S waves was detected in the boundary layer thus confirming that a wavelength conversion mechanism and local receptivity existed .

在边界层 外缘 涡扰动与壁面凸起 物的相互作用下，在边界层内找到了T-S波，证实了感受性现象及其中波长转变机制的存在。

The large-scale vortical structures produced by an impinging density jet in shallow crossflow were numerically investigated in detail using RNG turbulence model .

采用RNG湍流模型对浅水横流中 异重冲击射流的大 尺度 涡结构进行了详细的数值研究。

Siphon type is divided again for type of siphon of eject of general siphon type vortical siphon type .

虹吸式又分为一般虹吸式喷射虹吸式 旋涡虹吸式。

This paper indicates that bipolar vortical membranes component can enhance membrances process based on the analysis of the traditional membranes separation technologies .

分析了传统的膜分离技术及组件，指出 双极 旋转膜组件能够较好地强化膜过程，是一种极具发展潜力的含油污水处理方式。

Physically it resembles very much the process of surface wave breakdown and saturation in the presence of a thin vortical surface drift layer induced by wind stress .

物理上，该机制很象存在由风应力所致薄表面 涡旋漂流层时表面波的破碎与饱和过程。

Method of direct numerical simulation was used for the investigation of the local receptivity of a 2-D boundary layer of a flat plate to a harmonic vortical disturbance in the freestream .

本文用直接模拟的方法，研究了平板二维边界层对自由流中的 涡扰动的当地感受性。

Based on the analysis of the spatio-temporal evolution of large-scale coherent structures of free jet turbulent jets in crossflow with stream-wise and transverse elliptic nozzles the basic vortical structures of turbulent elliptic jet are revealed .

通过对自由射流、流向和展向椭圆喷嘴的湍流横向射流大尺度结构的时空演化进行分析，揭示了湍流椭圆射流的基本 涡结构。

Turbulent flow over an oscillating dimple was studied using present numerical scheme and the periodic generation of vortical structures was analyzed .

其次，作为初步应用，利用该方法研究了槽道湍流中周期振动 凹坑所产生的流动结构。

Long-term observation and research indicate that slow and fast variations which are mainly corresponding to the vortical and divergent motions coexist at middle-high latitude .

长期的观测和研究表明，中高纬度大气中以 涡旋运动为主的缓慢运动和以辐合辐散为主的快变运动共存。

Numerical Study of Local Boundary Layer Receptivity to Freestream Vortical Disturbances

自由流中 涡扰动的边界层感受性的数值研究

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

具有叶顶间隙涡轮转子叶栅流动的拓扑及 旋涡结构观测

The development in the application of the methods of non-linear dynamics to the study of vortical flow is reviewed and their application to the study of fluid mixing dealt with .

本文综述了利用非线性动力学方法研究 有 涡流动的进展，并讨论了它们在流体混合机理研究中的应用。

For the vortex ring and wall oblique collision we mainly analyze the effect of initial angle on the evolution of vortical structures .

对于涡环与平板斜碰，着重探讨了 涡 环 与 平板初始夹角对 涡结构演化的影响。

This is a highly tricky exercise because vortical flow fields act in a complicated ( what scientists call nonlinear ) manner making prediction difficult .

这可难了，因为 涡流场的变化模式非常复杂（就是科学家所说的非线性 变化），难以预测。

Not only screw centrifugal pump can reliably move safely but also its efficiency is prior to centrifugal impurity pump and vortical impurity pump .

螺旋离心泵不仅可以安全可靠运行，而且其效率也是离心式杂质泵和 旋流 式杂质泵所 难以比拟的。

The velocity vector and vortical contour in three different circumference positions were successfully acquired and the structure of the tip leakage vortex was clearly illustrated .

测量得到了三个不同周向位置下的 涡量图和速度矢量图，并 观测到了叶顶泄漏涡的涡旋结构。

Large-Scale Vortical Structures Produced by an Impinging Density Jet in Shallow Crossflow

浅水横流中 异重冲击射流的大 尺度 涡结构

The flow visualization indicates the primary cause of the phenomena to be a combination of mass transport and vortical structures induced by strong paraelectric and peristaltic electrohydrodynamic ( EHD ) body forces on the flow . The reasons were investigated .

流动显示结果表明了该实验现象的初步原因，由于在自洽电磁场中等离子体的电流体（EHD）顺电力与蠕动力诱导了 涡和能量输运所致。

Numerical simulation method of unsteady vortical flows

二维非定常 有 涡流动的数值模拟方法

2 It advance the viewpoint of vortical structure in the second stir accordingly non uniform of substantial structure .

以物质结构的非均匀性提出了第二搅动下 物质 的 涡旋结构观，揭示了 天人 合一的物质性。

Then we design a working fluid system with the functions of mixing and vortical separating aiming at the characteristics of the working fluid for powder mixed EDM .

针对混粉电火花加工工作液的特点设计了具有搅拌、 水力 旋转分离等功能的工作液处理系统；

Boeing wants to use existing wing and tail control surfaces that shift up and down about 20 degrees in a coordinated fashion to disrupt the vortical flow .

波音公司则利用现成的机翼与机尾控制面，让 它们 互相协调、上下移动20度，以扰乱 涡流。