| 纵列式旋翼直升机“地面共振“研究 |
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| 引用本文： | 凌爱民.纵列式旋翼直升机“地面共振“研究[J].直升机技术,2005(2):1-7. |
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| 作者姓名： | 凌爱民 |
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| 作者单位： | 中国直升机设计研究所直升机旋翼动力学国防科技重点实验室,景德镇,333001 |
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| 摘 要： | 本文提出了一种分析纵列式旋翼直升机“地面共振”的理论建模方法,通过算例计算与分析对多旋翼与机体耦合产生动不稳定性机理进行了研究,考察了一些重要的动力学参数或因素对“地面共振”的影响,指出了“地面共振”建模分析和工程设计应考虑的因素和设计准则。
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| 关 键 词： | 动力学 直升机 旋翼 地面共振 |
Study of Ground Resonance for Column Rotor Helicopters |
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| Authors: | LING Ai-min |
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| Institution: | LING Ai-min(National Defence Science & Technology Key Laboratory of Rotorcraft Aeromechanios,China Helicopter Research and Development Institute,Jingdezhen,333001) |
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| Abstract: | A theoretical modeling method of ground resonance for column rotor helicopters is intro- duced in this paper.The mechanism leading to coupling instability of multiple rotors/airframe has been studied through calculation and analysis of an example.The influences of some key dynamic parameters or factors on ground resonance are investigated.The deign criteria and considerations for ground resonance modeling and engineering design are made out. |
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| Keywords: | dynamics helicopter rotor ground resonance |
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