| 释义 |
down·wash 英ˈdaʊnˌwɒʃ, -ˌwɔːʃ美ˈdaʊnˌwɑʃ, -ˌwɔʃAHDdounʹwŏsh', -wôsh' COCA²⁵⁴³³⁷⁺⁶BNC¹⁷³⁹⁹⁵⁺²iWeb⁵⁶⁷²¹
基本例句
n.气流下洗¹⁰⁰
A calculated model for predicting wing download of the tilt rotor in hover and forward flight is given according to the aerodynamic interaction effect of the rotor downwash flow on the wing.
针对悬停和前飞时旋翼下洗流对机翼的气动干扰影响，建立了机翼向下载荷的计算模型。 dictall
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。 cnki
The normal force, pitching and yawing moments on the fuselage in hover result from the rotor downwash.
悬停时，下洗尾流使机身产生负升力、俯仰力矩和偏航力矩。 cnki
The forming, the distribution and the influence of the downwash flow on helicopter main rotor are discussed.
探讨了直升机旋翼下洗流的形成、分布和影响。 cnki
Also important are the rotation of the slipstream and the change of downwash at the tail.
此外，滑流的旋转和尾翼处下洗的变化也是重要的因素。 bab
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。 cnki
Experiment results show that wake region behind wind tower can cause velocity deficit, turbulence excess and downwash phenomenon.
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。 cnki
Finally the rotor downwash velocity distribution along rocket trajectory is found with brief analysis.
最后，计算结果展示了旋翼下洗速度在火箭轨道上的分布，并作了简要分析。 cnki
Image method ideal vortex model is used for the analysis of how ground effect impacts wingtip vortex and airflow downwash angle.
采用镜像法理想涡模型分析了地面效应对翼尖涡位置和气流下洗角的影响； hkxb.buaa.edu.cn
Problem was we wanted to save them with a helicopter, but the so-called downwash, the turbulence under the helicopter made it impossible to get close from above.
问题是，我们想用直升机来进行救援，但是所谓的气流下洗，直升飞机下面的湍流使我们根本无法从上面接近。 tingvoa
Secondly, the precision influence of missile air attack on downwash flow is discussed.
其次研究了这种变化对空中攻击精度的影响。 cnki
The results show that the main aerodynamic effect between the rotor and fuselage is that of the rotor downwash on the fuselage aerodynamic loads.
结果表明，旋翼与机身之间的气动力干扰，主要是旋翼下洗尾流对机身气动力的影响。 cnki
The averaged gas velocity of flowing backward between the exhausting duct and the mixture tube increases with the rise of the main nozzle flux and the downwash flow velocity.
实验发现外套出口和混合管之间夹层存在气流倒流现象， 倒流平均速度随着主喷管流量和下洗气流速度增加而增加。 www.jasp.com.cn |