庭院的高墙和较高的温度导致这架黑鹰在其自身的旋翼洗流中下坠。旋翼洗流是一种“具有动力的下坠”，这是种很危险的空气动力学状态。
The high walls of the compound and the warm temperatures had caused the Black Hawk to descend inside its own rotor wash-a hazardous aerodynamic situation known as "settling with power."
文章详细地介绍了从飞行力学的角度来确定直升机平直飞行时的旋翼功率传递系数。
In this paper, the rotor power transfer coefficient is determined from the point of helicopter flight dynamics.
以动力学模型和气动模型相匹配为原则，建立了后掠桨尖旋翼的细致气弹模型。
A refined aeroelastic model of a helicopter rotor blade with swept tips is established based on model matching.
应用推荐