查询词典 vortices

Aerodynamicist Klaus Huenecke of Airbus has developed a "passive" scheme based on so-called designer vortices.

欧洲空中巴士公司的空气动力学专家辉奈克已研发了一个「被动」技术，以所谓的「订制涡流」为核心。

The picture of these vortices in the east, running through the northern Pacific Ocean encountered in the course of the Aleutian Islands formed.

该图片中的这些旋涡是在经过太平洋北部向东运行过程中，遇到阿留申群岛时形成的。2007年美国的"陆地卫星7"号拍摄了这张图片。

The evolution of flow patterns are presented at different interaction stages and the bifurcate shock waves , distorted flame fronts and induced vortices are discussed according to the calculated results.

基于带化学反应的Navier Stokes方程和有关的热力学和反应动力学数据，利用改进的VLS格式，对甲烷空气混合物中激波与火焰的相互作用进行了数值模拟。

A formula is deduced for the velocity induced by the vortices in two-dimensional shallow water flows and it is used to correct the Biot-Savart law.

建立了二维浅水流动的旋涡诱导速度公式，在已知旋涡场和胀量场时，由该表达式可确定流动速度场。

Secondly,as an application ofφ-mapping topological current the-ory,the vortices in TDGL model have been studied.Some importantartificial hyperthesises in other theories have been changed into naturalresults ofφ-mapping topological current theory.The inner structureof vortices system in the TDGL model has been obtained in terms oforder parameter field.For the first time,the branch process of thevortex system in the TDGL model have been discussed.

其次，作为Ф-映射拓扑流理论的重要应用，本文研究了TDGL模型的vortex动力学，对过去该模型中的一些人为假设给予了合理而严格的理论基础，用序参数的Hopf指数和Srouwer度表征了拓扑荷，建立了该系统拓扑性质的新理论，并首次探讨了TDGL模型中的vortex的分岔过程。

And by further correlated analyze the surface and spatial moving process and trajectory of different vortices, and the representative points on the vortex line and characteristic points on the curve of side force distribution, a physical model of multi-asymmetric vortices over a 3-D slender body is developed.

在对每个背涡从物面到空间发展和运动轨迹、不同背涡在空间的特殊位置关系、以及这些特殊位置与截面侧向力分布特征点的相关性进行对应分析的基础上，建立了细长体在大迎角亚临界Re数流动状态下非对称多个背涡的空间三维涡系结构物理模型。

The two mesoscale vortices for east-west distribution are similar to azimuthally wave number two and intensify TC more strong than other two vortices distributing and weaker than actual azimuthally wave number two waves disturbance.

台风内核区和眼壁附近扰动的减弱使台风最大切向风速的增幅减小，且强度增强，风速变化的震荡性加强，震荡的周期缩短；强度减弱，风速变化的震荡性减弱，震荡的周期加长。

In 30°≤α≤40°, the manual perturbation regularizes the irregular behaviors of asymmetric vortices with body rolling and determine the roll angle at where vortices structure reverse.

在迎角30°≤α≤40°范围内，人工扰动使背涡流场结构在模型滚转过程中的无规则变化变成为规则、光滑的变化，同时人工扰动还能够准确控制背涡结构反向的滚转角位置。

It is observed that there are six ways for amalgamation of four vortices. Therefore, the evolution of vortices can be controlled positively by superimposing multi-harmonics and changing their phase differences.

计算结果表明：四涡的合并存在6种形式，因此，可以通过施加多级次谐波并改变它们之间的相位差来主动控制拟序涡的发展和演变。

The results of simulation show that a series of "second-vortex" are produced when streamwise "reverse-vortices" are effected by riblets. They weaken intensities of "reverse-vortices", and restrain the productions and developments of low-flow strips, so turbulent drag reduction is obtained.

仿真结果表明，沟槽表面与顺流的&反向旋转涡对&相互作用，产生&二次涡&，削弱了&反向旋转涡对&的强度，进而抑制了低速条带的形成和发展，从而降低湍流猝发强度，实现湍流减阻。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐