| 杨帆，张倩，赵鑫.基于故障树分析法的压气机振动故障分析[J].航空发动机,2018,44(2):35-39 |
| 基于故障树分析法的压气机振动故障分析 |
| Application of Fault Tree Analysis Method on a Compressor Vibration Fault |
| |
| DOI： |
| 中文关键词: 滑油位 滑油泵 皮碗 裂纹 故障 航空发动机 |
| 英文关键词:compressor vibration Isograph fault tree analysis aeroengine |
| 基金项目:航空动力基础研究项目资助 |
|
| 摘要点击次数: 1581 |
| 全文下载次数: 1267 |
| 中文摘要: |
| 为了研究某型压气机在部件试验过程中发生的振动异常故障，基于Isograph 的故障树分析法，对33 项底事件主要从流
体激振、机械激振和测试系统复查等3 方面进行定性分析。结合试验中的气动数据和监测数据，利用排除法（设计排查和实物排查）
逐级确定各底事件的不可用度大小，选取其中不可用度最高的底事件再进行详细分析，确定了故障原因：有3 片压气机第1 级转
子叶片的叶尖与对应的机匣发生偏摩，其转子不平衡量发生了较大变化。通过采取对磨损的叶尖部位进行抛修，重新对压气机转子
进行动平衡的方法排除了该故障，使试验顺利开展。 |
| 英文摘要: |
| In order to study abnormal vibration fault of a compressor in the process of component test, using fault tree analysis based
on Isograph, the 33 bottom events carried out by qualitative analysis, mainly from the analysis of flow induced vibration, mechanical
vibration and the test system re-examine. Then through the design investigation and physical investigation, combined with test aerodynamic
data and monitoring data, the size of the unavailability of the bottom events was determined step by step using the exclusive method, the
highest end event of the unavailability was analyzed in detail, and the cause of the vibration fault was found successfully. The 3 blades tip of
the first stage rotor blades of compressor with case occured eccentric wear and the rotor imbalance appeared great changes. And the
damaged blades tip was repaired, the fault was eliminated by the dynamic balance method of the compressor rotor, and the test was carried
out smoothly. |
| 查看全文 查看/发表评论 下载PDF阅读器 |