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Autorotation Performance of Multi-Rotor Aircraft with Partial Power Loss

机译：多转子飞机具有部分功率损耗的自动性能

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This paper is to extend the Army DESCENT simulation program of single main rotor to multi-rotor aircraft. The X-15 tiltrotor aircraft, CH-47 type tandem rotor helicopter, and X-2 compound helicopter with a pusher propeller are the three multi-rotor configurations studied. An analytic model has been developed and integrated with a path optimization program, which is capable of predicting the autorotational performance of multi-rotor aircraft after partial power loss. Both partial power forced landing and recovery to fly away are investigated at different initial altitude and forward speed conditions. The characteristics of optimized flight path and controls are identified and discussed for each type of aircraft. High resolution height-velocity diagrams are generated to illustrate safe flight profiles of the aircraft after partial power loss.
机译：本文是将单主转子的陆军血液血液仿真程序扩展到多转子飞机。 X-15 Tiltotor飞机，CH-47型串联转子直升机和带有推动器螺旋桨的X-2复合直升机是研究的三种多转子配置。已经开发了一个分析模型，并与路径优化程序集成，能够在部分功率损耗之后预测多转子飞机的自动性能。在不同的初始高度和前进速度条件下调查部分电力强制着陆和恢复。针对每种类型的飞机识别并讨论了优化飞行路径和控制的特征。产生高分辨率高速图，以说明部分功率损耗后飞机的安全飞行轮廓。

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