查询词典 downwash

And finally, the downwash flow at hovering condition caused an increase of total infrared radiation between 3~5 μm by about 35%.

最终，使得在模拟悬停状态下，考虑和不考虑旋翼下洗气流相比，3~5μm的平均红外辐射强度大约增加35%。

This reduction in downwash increases the effective angle of attack of the wing so that it creates more lift and less drag than it would otherwise.

减少的下洗气流和增大的机翼攻角使飞机比其他的情况下增加了升力并且阻力更小，这种现象就是我们所说的地面效应，如图下所示

An analytical method to predict the effects of rotor downwash on engine jet was proposed to investigate the flow pattern of helicopter engine jet.

通过考察旋翼洗流对发动机喷流的影响来研究直升机发动机喷流的流动形式。

Moved mister extremely not to be feeling well 32 to downwash the bath.

移动老总极度不爽地三两下洗完了澡。

What happens in reality is that the ground partially blocks the trailing vortices and decreases the amount of downwash generated by the wing.

事实上是地面部分的垫起了拖尾涡流并且减小了机翼产生的下洗气流。

When a helicopter descends through the last 50 feet, the downwash created by the rotors pick up the dust on the ground.

直升机着陆前下降到最后50英尺的时候，螺旋桨会吹起地面的灰尘从而影响飞行员的视线。

The entrainment coefficient decreases with the increase of the downwash flow.

实验中主喷管气流温度610℃，压力为常压，下洗气流温度为常温，速度范围为

First, free wake analysis was carried out to calculate the rotor wake geometry and the downwash around the engine jet space.

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。

As the airborne missile is controlled on two different mod es, different influence of helicopter downwash flow on its initial trajectory is researched.

研究了导弹在两种不同控制模式下，直升机下洗流场对其初始弹道的影响。

But, for all this to be effective, the tail must be set so that in cruise the drag is minimized by having the elevator in line with the stabilator, and the whole tail airfoil at an incidence compatible with the general airflow at this location within the downwash of the wing.

但是，这一切是有效的，尾巴必须设置，以便在巡航阻力减至最低，由电梯在符合塔比利特，和整个尾巴的翼型在一发病兼容与一般的气流在这个位置内部向下的机翼。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。