航空发动机部件故障风险评估方法研究

徐庆宏; 孙有朝; 李龙彪

doi:10.13433/j.cnki.1003-8728.2016.0823

航空发动机部件故障风险评估方法研究

doi: 10.13433/j.cnki.1003-8728.2016.0823

1.
南京航空航天大学民航学院, 南京 210016

基金项目:

国家自然科学基金委员会与中国民用航空局联合项目（U1333119）、中国民用航空局科技计划项目（MHRD201123，MHRD200817，MHRD200908）及国防科工局技术基础科研项目（Z052013B003）资助

详细信息

作者简介:
徐庆宏(1961-),博士研究生,研究方向为大型飞机可靠性与安全性工程,xuqinghong@comac.cc

通讯作者:
孙有朝(联系人),教授,博士生导师,sunyc@nuaa.edu.cn

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- 文章访问数: 238
- HTML全文浏览量: 43
- PDF下载量: 8
- 被引次数: 0
出版历程
- 收稿日期: 2014-09-09
- 刊出日期: 2016-08-05

Study on Risk Assessment Method for Aero-engine Component Failure

1.
College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

摘要: 在已有的航空发动机历史故障数据的基础上，采用蒙特卡洛方法建立了航空发动机部件故障风险仿真模型，给出了发动机故障危险等级划分、危险系数确定和风险因子计算的方法，预测了发动机故障的发生情况，评估了发动机运营阶段的故障风险，确保使用可靠性与安全性。根据故障事件危险等级及相应的风险准则对某型号发动机进行了风险评估，制定了3种合理的可降低风险方案，分别对3种方案重新进行蒙特卡洛仿真与及风险评估，分析了不同维修方式和维修周期对风险因子的影响，制定出最合理的降低风险方案。
- 航空发动机 /
- 风险分析 /
- 蒙特卡罗方法 /
- 风险因子
Abstract: The risk assessment method for aero engine component failure has been developed via Monte Carlo method with the history data. The methods for classifying failure hazard level, determining hazard ratio and calculating risk factor have been given. The occurrence for aero engine component failure has been predicted, and the failure risk for aero engine during operation phase has been evaluated so as to ensure the reliability and security. The risk assessment for an aero-engine component failure has been performed on the basis of the failure events hazard level and the corresponding risk guidelines. During risk assessment, three reasonable corrective actions have been developed to analyze the impact of different maintenance methods and inspectional intervals on the failure risk factor, and to choose a reasonable risk reduction program.
- aero engine /
- risk analysis /
- monte carlo methods /
- risk factor

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参考文献(16)

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