它们在低风速下会发生强烈的偏离。
在风洞中调出低风速来始终是一个麻烦问题。
Setting very low speeds in a wind tunnel is always a vexatious problem.
并且，钝体截面的主拱在低风速下容易产生涡激振动。
The vortex shedding vibration will take place at the relative low wind speed because of arches blunt section.
低风速时，几乎与风速呈反比，高风速时基本保持为常数。
At lower speed, it is inversely proportional to the wind speed, but at higher speed, it is basically a constant.
该发电机主要用于低风速的风力发电和低落差的水力发电。
The generator is mainly used for wind power generation at low wind speed and water power generation with low fall.
在低风速下，加热功率对这两种散热器压降的影响也不大。
The results also show that the pressure drop of the two kinds of heat sinks is little influenced by power input under the low approaching velocity.
桥梁涡激振动是大跨度桥梁在低风速下很容易出现的一种重要的气动弹性现象。
Vortex-induced vibration of the bridge is an important aeroelastic phenomena, it is easy for long-span bridges to occur Vortex-induced vibration.
模拟自然风速激励下的仿真结果表明，新方案提高了机组低风速运行区域风能捕获能力。
Simulation results with natural wind model indicate the wind generation capturing ability improvement of the novel strategy, during the operating field that below rated wind velocity.
本文在分析低风速风能利用策略的基础上，认为设计适合低风速发电的大型风电机组是必要的。
On the basis of studying how to use wind energy of low wind speed, a conclusion was drawn that design a large wind turbine which is suitable to generate electricity by low wind speed is essential.
一维弹道修正引信阻力器空气阻力的简捷测量，是在弹丸零攻角、低风速下测量空气阻力的试验方法。
The air resistance of damper of 1-dimension trajectory correcting fuses (1-D TCF) is measured under pill angle of attack and low wind speed.
垂直轴的离网型风力发电机系统具有低风速启动、安装使用方便、噪声低、效率高等特点，有着广阔的应用领域和发展前景。
The vertical axis wind power system has the advantages of low speed, easy to be fixed, low noise and high efficiency. It has wide applications and prospects for development.
无论交叉流浓相换热器，还是传统NSP窑，必须注重低限风速的意义，防止或减少积料、塌料现象的发生；
For both crossed-flow in dense phase heat exchanger and NSP kiln, low limitation for gas speed must be noticed to prevent from or to reduce materials accumulation or collapse.
对流单体主要在海拔较高的山脊处生成，并向低海拔地区移动传播，传播的速度和方向主要与地形和中高层风速风向有关。
Convective cells formed at high altitude plots firstly and then spread to lower altitude area, and the speed and directions of cells 'spread depend on terrain factors and upper level wind.
隧道式干燥机隧道内部风速和温度的分布不均匀是导致干燥效率低、干燥不均匀的主要原因。
Lack of homogeneity of the air velocity in the tunnel dryer often seems to be the main factor that leads to poor drying efficiency and non-homogeneity of the products.
为模拟大气边界层，实验段较长，实验模型放在实验段后部。为减小轴向静压梯度顶板高度分段可调。风速比航空凤洞低。
In order to simulate boundary layer in atmosphere, the length of first test section is longer than usual one, the models are put into the rear part.
通风柜附近的扰流流速应尽可能低，理想的流速应低于通风柜设计面风速的30%。
Room air current velocities in the vicinity of fume hoods should be as low as possible, ideally less than 30 percent of the face velocity of the fume hood.
通风柜附近的扰流流速应尽可能低，理想的流速应低于通风柜设计面风速的30%。
Room air current velocities in the vicinity of fume hoods should be as low as possible, ideally less than 30 percent of the face velocity of the fume hood.
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