首先应用自由尾流分析技术来计算旋翼尾迹和发动机绕排流空间的洗流速度。
First, free wake analysis was carried out to calculate the rotor wake geometry and the downwash around the engine jet space.
本文提出了一个高超声速非烧蚀钝体尾流全流场的简化模型和简化的空气化学模型。
A simplified flow field model and simple air chemical model for the chemical nonequilibrium wakes of hypersonic non-ablating blunt-body are presented.
研究结果表明：通过优化有效降低了因二次流漩涡、风机蜗舌结构、尾流-射流和正冲角等造成的能量损失，提高了离心通风机性能。
The results show that the performance of optimized fan is improved by lowering the energy loss which caused by the secondary flow vortex, the volute tongue, the wake-jet and the angle of attack.
采用参数多项式方法和振荡流体力学理论，求解静子叶片后的尾流场及尾流场作用下转子叶片通道内的非定常流场。
The wake flow of stator vanes and the unsteady flow in the passage of rotor blades were solved by using oscillating fluid mechanics theory and parametric polynomial method.
通过采用外部声激励的方式，在低速轴流压气机内研究非定常尾流撞击效应对压气机流场结构以及时均气动性能的影响。
Influence of the wake impact effect on the flow field and its average performance in a low speed axial-flow compressor was investigated by using external acoustic excitations.
本文提出了一种计算带制流板的鱼尾舵在螺旋桨尾流中水动力性能的方法。
The paper presents a new method for predicting the hydrodynamic performance of the shilling rudder behind a propeller.
本设计系统适用于船尾流场为斜流的高速船和船尾流场及不均匀的肥大船，具有极高的实用价值。
This design system is suitable for the high speed ship with oblique flow and fat ship with the highly non-uniform flow field, and it is very valuable in the practical application.
提出了一种计算带制流板舵在螺旋桨尾流中水动力性能的方法。
A new method for predicting the hydrodynamic performance of the rudder with plates behind a propeller is presented.
本文用尾流模型解决了超空泡平板翼栅非线性势流问题。
The nonlinear potential flow problem of the surpercavitating flat-plate cascade is solved by employing the wake model.
利用非定常流函数涡量方程数值模拟圆柱突然起动尾流涡旋的形成及周期性脱落过程。
The unsteady equations of stream and vorticity functions were used for numerical simulation on the process of the vortex formation and periodic shedding from an impulsively started circular cylinder.
用虚拟体方法研究了均匀流及尾流中圆柱横向振荡的流动特征。
Flow field of a circular cylinder oscillating in a uniform flow or in a wake was investigated using currently modified virtual boundary method.
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。
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.
研究了大型授油机尾流的形成和分布特点，分析了受油机在不同位置进入黾流时飞机所受的影响，提出了相应的数学建模方法。
The formation and distribution of wake flow behind a large aerial tanker are discussed, Then the mathematic model of disturbance to the refueled aircraft during refueling is given.
射流或尾流可视为无固壁边界而流场速度剖面具有拐点的流动。
For the flow of a jet or a wake, we may consider a flow field without solid boundary but with a point of inflection in the velocity profile.
射流或尾流可视为无固壁边界而流场速度剖面具有拐点的流动。
For the flow of a jet or a wake, we may consider a flow field without solid boundary but with a point of inflection in the velocity profile.
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