涡

Providing researchers understand the limitations of the vortex theory, then I see it as a reasonable hypothes is.

研究者提供理解的局限性涡理论，那么我认为这是一个合理的假说。

The development of vortex is studied with ZHANG Han-xin′s vortex analysis theory. In addition,the second vortex breakdown performance and the grid influence are discussed in this article.

结合张涵信的旋涡定性分析理论对旋涡的发展过程进行研究，此外，还对二次涡破裂现象和网格分布影响等问题进行了探讨。

By the analytical calculation method, the paper focuses on researching systematically flow field induced by helical vortex on aspects of theory and application.

本文主要运用解析法，从理论和应用两个方面对螺旋集中涡诱导流场问题进行了系统研究。

The main contents are as follows:Based on the vortex theory and the hydrodynamic basic equations, taking account of the viscosity effect, the expressions of the tangential speed...

主要内容包括：在涡运动理论的基础上，考虑流体的粘性效应，从流体动力学基本方程出发，分析推导了旋流分离器内流体的切向速度和切向应力的分布表达式，定性讨论了旋流分离器外壁的转动对切向速度和切向应力的影响。

Meaden later developed the Vortex theory of circles formation.

Meaden后来发展了涡理论界形成。

Combining with Stokes and Karman Vortex theory, the characteristic of ascendant motion of bubbles with different size was obtained through programming...

同时，结合Stokes和卡门涡理论分析，得到稳定状态下不同尺寸单个气泡的速度变化规律，运动轨迹规律等各种运动特性，并将实验结果与理论进行比较分析来判断其可行性。

Taking advantage of potential vorticity thinking and vortex Rossby wave theory, we verify the existence of waves like VRW that is dynamical mechanism for intensity change.

利用位涡表征的螺旋雨带以及涡旋—Rossby波理论，探讨气旋加强与减弱的成因机理，证实了气旋环流中确实存在有涡旋—Rossby波性质的波动。

The theoretical development of internal flow of turbomachinery is then summarized in terms of separation theory, vortex dynamics and flow pattern.

然后分别从分离流动理论、涡动力学和叶轮机械流型三个层次介绍叶轮机械内部流动理论的发展；从平面叶栅、环形叶栅、动态试验和试验技术等方面回顾叶轮机械试验研究进展；从控制方程、数值方法、网格生成等方面综述叶轮机械数值计算研究方法、研究内容及成果等，并概括改善叶轮机械气动性能的方法和现状。最后对叶轮机械内部流动研究进行展望。

The development of vortex is studied with ZHANG Han-xin′s vortex analysis theory. In addition,the second vortex breakdown performance and the grid influence are discussed in this article.

连合张涵信的旋涡定性剖析表面对旋涡的成长历程举行研讨，另外，还对二次涡碎裂表象和网格漫衍影响等题目举行了探究。

A conclusion was drawn that Momentum theory, Vortex theory and Generalized dynamic wake were practicable to get the general design parameters and loads, loads cycles of the rotor were the main vibration excitation, and good dynamic compatibility between rotor and tower is propitious to the well function of the wind turbine unit.

指出动量理论、涡流理论及自由尾涡理论模型是确定风电机组总体设计参数和载荷的依据；叶轮的周期性载荷是机组振动的主要激励，叶轮和塔架良好的动力学相容性有利于机组可靠运行。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。