用文中描述的尾流分析方法研究了螺旋尖涡的运动。
The analytical method for predicting the hovering rotor wake is described to investigate the motion of the helical tip vortex.
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.
旋翼尾流的作用通过自由尾流分析来求解局部的诱导下洗速度以修正翼型攻角。
Rotor wake effects are modeled in the form of a correction applied to the angle of attack along the blades. This correction is obtained by computing the local induced downwash with free wake analysis.
本文用半刚性尾流模型近似表示给出水平轴风轮空气动力性能的分析计算方法。
In this paper, a method of aerodynamic calculation and aerodynamic performance analysis for a horizontal axis wind turbine is presented using semi-rigid wake model.
高超声速化学非平衡尾流的分析与计算是空气动力学中的一个重要课题。
The analysis and computation of chemical nonequilibrium hypersonic wakes are important tasks of aerodynamics.
建立了加油机尾流场的等效扰动模型，分析了受油机在尾流场中的飞行安全性。
An equivalent disturbance model of the tanker's wake was developed and then the flight safety of the receiver aircraft was analyzed.
首先从预定的广义尾流入手，并引入尖涡涡核作用的半经验修正，对旋翼的自由尾流进行计算分析。
Beginning with the prescribed wake model, a Semi Empirical Correction for the vortex core effect on rotor wake is made and free wake calculation is carried out.
论述了空气射流、浮力尾流和浮力射流的相同、相异性及解法特点，归纳分析了现有实验资料。
Discusses the similarity in solutions of air jet, buoyant plume and buoyant jet, and inducts and analyses the available experiment data.
本文根据水洞观察的结果，分析了圆柱体尾流中，卡门涡街形成的原因是由于流动的不稳定性所产生。
Based on the observation and analysis of flow visualization the mechanis of the vortex street has been recognized to be a flow instability probler.
着重分析了舰载飞机在下滑过程中，雄鸡尾流对过载以及雄鸡尾流水平加速度、铅垂加速度对航迹角、下沉率和附加需用推力的影响。
The effects of the cocktail on overload, the level and vertical acceleration on flight path Angle, sinking velocity and extra required propulsion were analyzed during the glide of the aircraft.
分析了斜拉桥拉索涡激振动、风雨激振、尾流驰振和抖振的振动机理，并总结了控制这些振动的措施。
The vortex-induced vibration, rain-wind-induced vibration, wake galloping and buffeting of the cable of a cable-stayed bridge are analyzed, and relavant control measures are summarized.
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。
The decay laws of the normalized maximum perturbations in the mean velocity and turbulent intensity in the wake and the wake structure are discussed.
运动气泡的研究是尾流研究的基础，利用数字图像处理技术研究运动气泡幕是一种全新的探测分析方法。
Wake is motive bubble film, research of motive bubble is basis of Wake research. Using digital image process technology is a fire-new detection and analytic method.
对大空间单列线热源上方的浮力尾流场进行了分析，首次提出并定义了累积浮力效应格拉晓夫数。
The buoyant plume flow is analyzed from an array of line heat sources. The accumulating buoyancy effect Grasholf Number is suggested and defined.
由排水型高速船方尾流动现象物理特征的分析，讨论方尾流动的适当数学模型与方尾条件的提法。
The reasonable mathematical modeling and transom conditions for the transom flows are investigated through analyzing the physical characters of transom flow phenomena of high speed ships.
引入尾流收缩比因子，并将大速度时的涵道等效为圆形机翼，建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。
The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.
计算分析得出，对于同一风速，随着尾流远离风轮，尾流速度逐渐接近来流风速；
The results show:For the same wind speed, as the wake away from the wind rotor, the wake velocity gradually closer to flow velocity;
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.
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.
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