| 杨文鑫,蔡增杰,陆锦斌,王彦芳.航空发动机叶片振动特性试验研究[J].装备环境工程,2018,15(2):84-87. YANG Wen-xin,CAI Zeng-jie,LU Jin-bin,WANG Yan-fang.Experimental Research on Vibration Characteristics of Aeroengine Blade[J].Equipment Environmental Engineering,2018,15(2):84-87. |
| 航空发动机叶片振动特性试验研究 |
| Experimental Research on Vibration Characteristics of Aeroengine Blade |
| 投稿时间：2017-08-14 修订日期：2018-02-15 |
| DOI：10.7643/ issn.1672-9242.2018.02.016 |
| 中文关键词: 叶片 模态分析 振动试验 振动特性 |
| 英文关键词:blade modal analysis vibration test vibration characteristics |
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| Author | Institution |
| YANG Wen-xin | Qingdao Sushi Haice Testing Technology Co., Ltd, Qingdao 266109, China |
| CAI Zeng-jie | Qingdao Sushi Haice Testing Technology Co., Ltd, Qingdao 266109, China |
| LU Jin-bin | Qingdao Sushi Haice Testing Technology Co., Ltd, Qingdao 266109, China |
| WANG Yan-fang | Qingdao Sushi Haice Testing Technology Co., Ltd, Qingdao 266109, China |
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| 中文摘要: |
| 目的 通过理论计算和试验验证获得航空发动机叶片一阶弯曲振动频率，并在一阶弯曲振动模态下获取叶片所受应力与叶片自振频率、叶片振幅之间的关系。方法 利用有限元分析软件对叶片进行模态分析，得到叶片的一阶弯曲振动频率。在振动试验系统上，通过扫频试验验证叶片发生一阶弯曲共振的频率，对叶片进行高应力振动试验。结果 叶片一阶弯曲振动频率理论计算值为3584 Hz，实验值为3286 Hz，误差为8.31%，满足工程误差小于10％的要求。叶片所受应力与叶片自振频率、叶片振幅之间的关系为σ=1.8759af。结论 得到了叶片的一阶弯曲振动频率以及叶片所受应力与叶片自振频率、叶片振幅之间的关系。 |
| 英文摘要: |
| Objective To obtain aeroengine blade first-order bending vibration frequency and the relationship between the stress of the blade and the natural frequency of the blade and the amplitude of the blade, through theoretical calculation and experimental verification. Methods Finite element analysis software was adopted for modal analysis of blade, the first-order bending vibration frequency was obtained, and the first-order bending vibration frequency of blade was verified by the frequency sweep test on the vibration test system; then high stress vibration test was carried out. Results The theoretical calculation value of blade bending vibration frequency was 3584 Hz, and the experimental value was 3286 Hz, the error was 8.31% and the requirement of less than 10% of engineering error was met. The relationship between the stress of the blade and the natural frequency of the blade and the amplitude of the blade was σ=1.8759af. Conclusion The first-order bending vibration frequency of blade and the relationship between stress of blade and the natural frequency of blade and the amplitude of blade are obtained. |
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