Interactions of the vortex induced reconnection processes in periodic multiple current sheet systems

周期性多电流 片系统中 涡旋诱发重联过程的相互作用

The instability of the vortex sheet along the horizontal shear line

水平切变线上 涡 层不稳定理论

Experimental study was performed for the formation and development of the horseshoe vortex in turbulent boundary layer through using a new method of visualization ( moving sheet of laser light ) and several experimental skills .

采用一种新的流场显示方法（激光 片光运动法）和不同实验方案对湍流边界层中的马蹄 涡（或称发卡 涡）进行了实验研究，其中包括马蹄涡的生成和发展过程。

In order to determine critical wind velocity of mem - brane at first order instability further vortex sheet on membrane is used to substitute the infinitesimal thickness boundary layer between wind and membrane surface . Expression of aerodynamic force is obtained ;

为了确定 薄膜一阶失稳时的风速，进一步用 涡旋 面代替风与薄膜表面之间的微小厚度边界层来推导薄膜表面所受的气动力表达式；

Analysis of Rolling-up of Trailing Vortex Sheet

关于尾 涡 层卷起过程的分析

Calculation of Trailing Vortex Sheet and Downwash Field Behind a Sweptback Wing

后掠机翼尾 涡 面和下洗场计算

Numerical Simulation of 3D Foil with Trailing Vortex Sheet Roll-up

三维机翼尾 涡 面卷曲的数值模拟

In the study of the second leading edge problem the displacement effect of vortex sheet from the plane of symmetry is taken into account and thereby the difficulty of overlapping vortex sheet and the lifting surface is overcome .

对于第二前缘问题，考虑了 涡 面离开 流动对称面的位移影响，并由此克服了涡面和物面重叠带来的困难。

A potential-based surface panel method is applied to predict the performance of a marine propeller with emphasis on the trailing edge and the surface of trailing vortex sheet .

应用低阶速度势面元法建立了预报船舶螺旋桨水动力性能的数值方法，重点对桨叶随边和尾 涡 面进行研究。

By using several thousands of point vortices and small space mesh we obtain the large scale discrete vortices on the vortex sheet as result of the pairing of small point vortices thus simulate the instability phenomena of the rolling-up vortex sheet .

由于使用了数千个点涡和较小的空间网格，获得了 前缘 涡 层小涡配对出现的较大的离散涡，模拟了紧卷涡层的不稳定现象。

It has been shown 1 w_942 that in a high Mach number flow the jet 1 w_956 or the vortex sheet 2 w_963 may be stable .

文献1w_969曾指出，高M数流动条件下，射流或 涡 层可能是稳定的。

A modified trailing vortex wake model of propeller is introduced to describe the distortion and separation of the trailing vortex sheet .

采用了一个修正的螺旋桨尾涡模型，来模拟导管螺旋桨尾 涡 片的扭曲变形及分离现象。

It can be shown that when the overlapping vortex sheet approaches close to the body surface infinitely its effect on the flow vanishes .

分析表明，当重叠部分的 涡 面无限接近物体（升力面）表面时，涡面的作用趋于消失。