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涡轴发动机整机受迫振动分析
引用本文:蔡显新,刘玉慧,赵艳云. 涡轴发动机整机受迫振动分析[J]. 航空动力学报, 2008, 23(12): 2202-2207
作者姓名:蔡显新  刘玉慧  赵艳云
作者单位:中国航空动力机械研究所, 株洲 412002
摘    要:涡轴发动机的一种常见的安装方式是其主安装节直接与主减速器相连,对这种安装形式下涡轴发动机的受迫振动问题进行了研究.首先讨论了其结构特点并对引起激振力的原因进行了分析,然后对激振力引起的轴向力、弯距在各承力件上沿轴向的分布规律进行了分析,介绍了受迫振动响应分析和有限元方法.发动机整机振动试验证明了该方法的有效性. 

关 键 词:涡轴发动机   受迫振动   振动载荷   有限元法
收稿时间:2007-11-12
修稿时间:2008-11-14

Forced vibration analysis of turboshaft engine
CAI Xian-xin,LIU Yu-hui and ZHAO Yan-yun. Forced vibration analysis of turboshaft engine[J]. Journal of Aerospace Power, 2008, 23(12): 2202-2207
Authors:CAI Xian-xin  LIU Yu-hui  ZHAO Yan-yun
Affiliation:China Aviation Powerplant Research Institute, Zhuzhou 412002, China
Abstract:The forced vibration problems of a turboshaft engine,which is mounted directly on the main gear box,were investigated.The characteristic of the engine structure and the source of the exciting force were analysed,and the distribution states of the axial force and bending moment caused by the vibration were also discussed.The mechanical vibration method and finite element method were applied to the forced vibration.The results of the full engine vibration experiment show that the proposed procedure is efficie...
Keywords:turboshaft engine  forced vibration  vibration loads  finite element method  
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