查询词典 vortex theory

Aerodynamic performance calculation based finite blade vortex theory and aerodynamic optimization design based genetic algorithms.

基于有限片桨叶涡流理论的气动性能计算和采用遗传优化算法的优化设计。

The research result fill the blank spaces on the helical vortex theory, and also builds a bridge between the theoretic study and engineering application.

对工程中其它螺旋涡流场的解析计算，同样可以利用本文的理论结果和分析思路。

The nonuniform distribution of induced velocity on the rotor disk derived from the generalized vortex theory is taken into account.

诱导速度在桨盘处的分布采用广义涡流理论所导的公式。离散突风模型为规范所要求的正弦平方型。

According to the design procedure of wind turbine blades, computing blade parameters based on the vortex theory, a kind of new program design method is offered to display the section and 3D model of wind turbine blades.

按照叶片设计的实际过程，在涡流理论设计叶片参数的基础上，提出了一种能在计算机上立体显示叶片截面及结构的设计方法。

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。

In this paper an attempt is made to derive a practical formula for the induced velocity distribution in the lifting rotor disk plane on the basis of the generalized vortex theory.

本文试图根据涡流理论导出的精确公式，通过简化，获得适于工程计算的近似公式。

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。

Based on the experiment, the flow variation and impact on release works is studied. The vortex theory is adopted to study the side shrinkage angle and optimum step of the bulkhead gate to improve the overflowing condition.

通过试验分析研究了闸后水舌的流态变化规律及其对泄水建筑物的影响；采用涡流理论分析研究闸后水舌侧收缩角的计算方法；根据侧收缩角计算出闸门槽的最优错距，从而改善闸孔出流的水流条件。

The homogeneous vortex theory about fluid is applied to this complex system by using Pfeiffers method and the vorticity of the liquid is only related to time.

应用Pfeiffer关于全充液腔内液体旋度平均化思想研究全充液弦索系统，使液体旋度仅与时间有关。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。