It is confirmed that the rear wing with proper sectional shape could improve the wake structure and aerodynamics characteristics.
计算结果表明，尾翼的加装可以改善尾流结构，而选择合理的尾翼剖面形状，则能使得气动特性得到最佳改善效果。
The decay laws of the normalized maximum perturbations in the mean velocity and turbulent intensity in the wake and the wake structure are discussed.
对山体尾流中最大平均速度扰动和湍流强度扰动的衰减规律以及山体尾流结构进行了分析。
In Chapter 3, based upon the blade second-order lifting-line model and rotor free-wake model, an analytical method is developed for predicting the rotor wake structure and BVI airload.
基于桨叶二阶升力线理论和旋翼自由尾迹模型，本文在第三章建立了一个适合于直升机旋翼尾迹结构及桨-涡干扰气动特性分析的方法和模型。
To understand flame holding mechanism of a slotted bluff body based on the resolution of its coherent structure in the wake.
弄清开缝钝体尾迹的拟序结构是认识其火焰稳定机理的基础。
When charged particle beams traverse in an accelerating structure, the excited wake fields may dilute the beam energy spread and emittance.
带电粒子束在穿过加速结构时激起的尾场，会导致束流能散和发射度的增大。
The results show that it is effective, by combining the laser flow visualization and the digital-image processing technology, to reveal the structure of car's wake and to determine the source of drag.
本项研究表明，光学流态显示和数字图象技术相结合，可以有效地揭示汽车的尾流结构，诊断阻力来源。
By studying the autocorrelation function of the probe signal, it is found that the large eddy quasi ordering structure likely exists in near wake, but there is no turbulence in far wake.
结合探针信号的自相关函数，研究流场湍流结构，发现近尾可能存在大涡拟序结构，而在远尾则没有湍流。
It corresponds to the "jet wake" structure of centrifugal compressor.
这与有关文献中所指出的离心风机的“射流尾流”结构相对应。
The results indicate that the time-space structure and the average aerodynamic performance can be improved greatly when the couple of wake impact effect is occurred.
实验结果表明：当发生尾流撞击耦合效应时，压气机内部流动的时空结构以及时均气动性能均得到较大提高。
The scaling of the longitudinal and transverse velocity structure functions is studied experimentally for turbulent jet and cylindrical wake flow.
实验测量了射流与圆柱尾流纵、横向的湍流速度脉动，计算了这两种方向的湍流速度结构函数的标度规律。
It is shown that the wake region can be identified, the wake with different shapes can be distinguished, and the fine structure within wakes can be detected.
利用光学系统可以识别尾流区和探测尾流内部的精细结构以及识别不同形状的尾流。
It is shown that the wake region can be identified, the wake with different shapes can be distinguished, and the fine structure within wakes can be detected.
利用光学系统可以识别尾流区和探测尾流内部的精细结构以及识别不同形状的尾流。
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