研究了直升机旋翼下洗流场的相似性。
The similarity of rotor-wing down-wash flow field is studied.
探讨了直升机旋翼下洗流的形成、分布和影响。
The forming, the distribution and the influence of the downwash flow on helicopter main rotor are discussed.
结合动量理论和涡流理论，推导了桨叶环量方程，用广义尾流模型计算了旋翼下洗流场。
Combining momentum theory and vortex theory, rotor circulation equation was deduced. The rotor down-wash flow field was calculated using generalized down-wash flow model.
通过数值仿真获得了弹箭在该下洗流场作用下的运动规律以及部分参数对弹箭运动的影响规律。
With numerical simulation, the regularities of a rocket under helicopter rotor's down wash flow and the effects of launching parameters upon the rocket movement were obtained.
通过数值仿真获得了弹箭在该下洗流场作用下的运动规律以及部分参数对弹箭运动的影响规律。
With numerical simulation, the regularities of a rocket under helicopter rotor's down wash flow and the effects of launching parameters upon the rocket movement were obtained.
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