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| 航空发动机断裂关键件失效率分析 | |
| 引用本文： | 杜少辉,洪杰,谢里阳.航空发动机断裂关键件失效率分析[J].北京航空航天大学学报,2009,35(4):464-467. |
| 作者姓名： | 杜少辉 洪杰 谢里阳 |
| 作者单位： | 东北大学机械学院沈阳,110004;北京航空航天大学能源与动力工程学院,北京,100191 |
| 摘 要： | 根据新的航空发动机取证规范标准,要求必须对航空发动机轮盘等关键件进行安全性分析.分析的最终目的是确保 由所有发动机失效产生的对飞机的风险达到可以接受的低水平.主要讨论了航空发动机断裂关键件的失效风险.采用一种风险 评估方法,对某轮盘寿命进行了失效率分析.分析结果表明,轮盘危险性发动机影响预期发生的概率不超过定义的极少可能概率(小于10-7次/发动机飞行小时). |
| 关 键 词： | 航空发动机 断裂关键件 可靠性 风险评估 |
| 收稿时间： | 2008-05-14 |
Failure risk analysis for fracture critical aero-engine components |
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| Du Shaohui,Hong jie,Xie Liyang.Failure risk analysis for fracture critical aero-engine components[J].Journal of Beijing University of Aeronautics and Astronautics,2009,35(4):464-467. | |
| Authors: | Du Shaohui Hong jie Xie Liyang |
| Institution: | 1. School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, China; 2. School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100191, China; 3. School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, China |
| Abstract: | Accroding to the newly certification specifications and standard for engines,safety analysis for aero-engine critical parts such as disks must be done.The ultimate objective of a safety analysis is to ensure that the risk to the aircraft from all engine failure conditions is acceptably low.The failure risk for fracture critical aero-engine components was discussed first.The fracture risk of a disc was analyzed based on risk assessment method.The result shows that hazardous engine effects are predicted to oc... |
| Keywords: | aero-engine critical component reliability risk assessment |
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