... low-pressure rotor speed 低压转子转速 收藏 tail rotor speed 尾桨转速 收藏 takeoff rotor speed 旋翼起飞转速 收藏 ...
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The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.
引入尾流收缩比因子，并将大速度时的涵道等效为圆形机翼，建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。
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