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大速度桨毂振动载荷预计的影响因素

王波 李书 胡继忠

王波, 李书, 胡继忠等 . 大速度桨毂振动载荷预计的影响因素[J]. 北京航空航天大学学报, 2005, 31(06): 647-651.
引用本文: 王波, 李书, 胡继忠等 . 大速度桨毂振动载荷预计的影响因素[J]. 北京航空航天大学学报, 2005, 31(06): 647-651.
Wang Bo, Li Shu, Hu Jizhonget al. Some influencing factors of rotor vibratory loads prediction under high speed state[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(06): 647-651. (in Chinese)
Citation: Wang Bo, Li Shu, Hu Jizhonget al. Some influencing factors of rotor vibratory loads prediction under high speed state[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(06): 647-651. (in Chinese)

大速度桨毂振动载荷预计的影响因素

基金项目: 国家重点实验室基金资助项目(51463040101HK0102)
详细信息
  • 中图分类号: V 211.52

Some influencing factors of rotor vibratory loads prediction under high speed state

  • 摘要: 依据直升机大速度前飞状态的气动环境和桨叶运动,分析了非定常气动力模型、动态失速模型、诱导速度分布、桨叶弹性变形、桨毂力合成以及数值计算方法对旋翼振动载荷预计的影响.将Leishman和Beddoes气动模型、动态入流理论和桨叶挥舞运动综合计入载荷模型中,采用状态空间法对方程进行离散化处理,编制了相应的计算程序.计算结果表明采用不同的分析模型对旋翼振动载荷预计有较大影响,翼型失速是主要影响因素.

     

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出版历程
  • 收稿日期:  2004-02-16
  • 网络出版日期:  2005-06-30

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