Analysis of integrated centrifugal impeller blade vibration reliability

被引：0
|
作者：
Jin, Xiang-Ming [1 ,2 ]
Gao, De-Ping [1 ]
Cai, Xian-Xin [2 ]
Wu, Li-Qiang [2 ]
机构：
[1] Coll. of Energy and Power, Nanjing Univ. of Aero. and Astron., Nanjing 210016, China
[2] China Aviation Powerplant Res. Inst., Zhuzhou 412002, China
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2004年 / 19卷 / 05期
关键词：
Natural frequencies - Reliability - Resonance - Sensitivity analysis - Structures (built objects) - Vibrations (mechanical);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The characteristic of the integrated impeller blade structure and its failure mode is presented. A method for integrated impeller blade resonance reliability analysis based on forced vibration magnifying factor model combined with sensitivity analysis of natural frequency is proposed. Fatal resonance and forced vibration can be avoided by controlling the magnifying factor of forced vibration, and by controlling the natural frequency which is affected by the thickness of the integrated impeller blade. Finally, an example is presented. Compared with subsequent test result, it shows that the presented method is effective.
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页码：610 / 613
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