在湍流增强的区域,飞机的尾流会消失得更快,它的效果也会减弱。
In zones of increased turbulence, the planes' wakes will decay more quickly and the effect will diminish.
它们巨大的尾流在海底形成浪潮,损坏了有数百年历史的建筑本身的地基。
Their massive wake creates waves at the bottom of the sea, weakening the foundations of the centuries-old buildings themselves.
棕煌蜂鸟悬停时引发的尾流。
螺旋桨尾流区分为过渡区和远尾流区。
The wake of propeller was composed of transition and remoteness domains.
用光学摄影方法研究尾流气泡具有直观、简便的特点。
Research on wake bubbles by optical photography is simple and intuitionistic.
阐述了舰船尾流气泡的分布特性和气泡数密度的衰减特性。
In this paper, the distribution characteristic and the attenuation characteristic of number density of the bubbles were described.
引入尾流函数修正后的对数公式,拟合曲线的相关性达到0。
We introduced the revised log law by wake-stream function, the relativity respective reached 0.
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.
修正分为实体阻塞修正和尾流阻塞修正,并得出了阻塞总体修正公式。
The modification is divided into substance blocking modification and wake blocking modification, And the modification formula of general blocking modification is given.
尾流光的背向散射特性是水下航行体跟踪、识别和定位目标的重要参数。
The optical back scattering characteristic of wake is a most important parameter for under water targets' scout , recognition and position.
试验所获得的定量信息为螺旋桨尾流场复杂流动现象的揭示提供了帮助。
The information form the experimental studies could be helpful for the research of the complex flow around Marine propeller.
认为舰船尾流的消光特性是水下航行体跟踪、识别和定位目标的重要参数。
It is considered that the light extinction characteristic of ship wake is an important property for underwater target's tracking, recognition and positioning.
试验结果表明排气塔后部的尾流区能引起速度亏损、湍流增强和下冼现象。
Experiment results show that wake region behind wind tower can cause velocity deficit, turbulence excess and downwash phenomenon.
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.
棕煌蜂鸟悬停时引发的尾流。黄色的矢量位点是通过粒子图像测速技术显现的气流速度。
The wake of a hovering rufous hummingbird. Yellow vectors show air velocity, revealed by particle image velocimetry.
另外一种“立志向下”是在圣·里吉斯独木舟区域,漂浮在一叶扁舟上,留下默默尾流。
Others aspire downwards deep in the St. Regis canoe Area, floating in a seam of light, a silent wake trailing behind their canoe.
亨利展示了自己能够凭借尾流分辨出经过它的目标物体,甚至是当那些物体已不在水中时。
Henry showed himself able to distinguish the shapes of passing objects from their wakes, even when those objects were no longer in the water.
介绍了人造舰船尾流技术的基本原理和关键技术,以及该技术研究的必要性。
Introduing the principle of artificial warship stern flows the technique, its key technique and necessity of technique research.
至少,我们知道风暴迁移了水气和能量,并且它们搅动大洋,把冷水留在尾流(见上图)。
At the very least, we know that storms move moisture and energy, and that they stir up the ocean, leaving cool water in their wake (see image above).
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.
两架飞机之间的尾流以及在平流层飞行时的发动机性能和飞行控制响应都进行了评估。
Wake turbulence between the two aircraft as well as engine performance and flight control responsiveness in the stratosphere were evaluated.
并根据热尾流与周围海水的平均温度差计算出红外探测器对潜艇热尾流的作用距离。
According to the difference in temperature between thermal wake and seawater, the operation range of the detector to thermal wake was calculated.
同时提出了新的尾流制导控制量,探讨了获得尾流方向要素的方式,增加了导引信息。
New control quantities of wake guidance are presented, and the measures to obtain key elements in wake direction are discussed to increase guidance information.
为便于研究飞机尾流电磁散射特性,提出了一种飞机尾流介电常数分布的快速建模方法。
For the convenience of the study of aircraft wake vortex scattering characteristics, a rapid modeling method for the wake dielectric constant distribution is put forward.
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.
这样,摆动树蛇的身体的前半部分擦过的空气尾流可对侧风滑行的后半部分起到提升的作用。
As a result of it, the wake of air forced backwards by one segment of the snake's undulating body may provide extra lift to the segment behind in the sidewinding glide.
仿真应用结果表明,本项研究对于目标几何建模和尾流自导仿真方法研究具有实际应用价值。
Simulation shows that it is of use for study on simulation method of target geometry modeling and wake guidance by applying this software in engineering field.
建立的尾流再附动力学模型包括:伞系统运动方程、尾流运动方程、伞衣-尾流动量交换方程。
The model includes three parts: equations of the motion for the parachute-store system, equations of the motion for the wake, equations of the momentum transfer between parachute and wake.
建立的尾流再附动力学模型包括:伞系统运动方程、尾流运动方程、伞衣-尾流动量交换方程。
The model includes three parts: equations of the motion for the parachute-store system, equations of the motion for the wake, equations of the momentum transfer between parachute and wake.
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