| 尾桨与机体模态耦合动力稳定性研究 |
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| 引用本文： | 凌爱民,许宁.尾桨与机体模态耦合动力稳定性研究[J].直升机技术,2008(4):1-5. |
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| 作者姓名： | 凌爱民 许宁 |
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| 作者单位： | 中国直升机设计研究所,景德镇,333001 |
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| 摘 要： | 本文以工程设计案例对尾桨与机体模态耦合稳定性进行了研究,提出了建模应考虑的因素,研究了机体刚体模态和弹性模态与尾桨耦合产生不稳定性的特点,分析了一些设计参数及气动力对稳定性的影响.从提高稳定性的角度,对设计、分析与试验验证提出了建议.
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| 关 键 词： | 动力学 尾桨 机体模态 稳定性 |
Investigation on Dynamic Coupled Stability of Tail Rotor and Airframe |
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| Authors: | LING Ai-min XU Ning |
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| Institution: | LING Ai-min,XU Ning(China Helicopter Research , Development Institute,Jingdezhen,333001) |
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| Abstract: | In this paper an investigation on dynamic stability of coupled tail rotor and airframe has been performed by taking engineering design for example.The factors needed to take into account for modeling are pointed out,the characteristics about coupled instability of tail rotor and airframe rigid and elastic modes are studied and the influence of some design parameters as well as air loads on stability is analyzed.From the view of increasing stability the suggestions for design,analysis and verification test a... |
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| Keywords: | dynamics tail rotor airframe mode stability |
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