期刊
CHINESE JOURNAL OF AERONAUTICS
卷 26, 期 1, 页码 9-16出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cja.2012.12.001
关键词
Airworthiness; Engine containment; Fan blade-off; Margin of safety analysis; Method of compliance
The potential hazard resulting from uncontained turbine engine rotor blade failure has always been the long-term concern of each aero engine manufacturer, and to fully contain the failed blades under critical operating conditions is also one of the most important considerations to meet the rotor integrity requirements. Usually, there are many factors involving the engine containment capability which need to be reviewed during the engine design phases, such as case thickness, rotor support structure, blade weight and shape, etc. However, the premier method to demonstrate the engine containment capability is the fan blade-off test and margin of safety (MS) analysis. Based on a concrete engine model, this paper aims to explain the key points of aero engine containment requirements in FAR Part 33, and introduces the implementation of MS analysis and fan blade-off test in the engine airworthiness certification. Through the introduction, it would be greatly helpful to the industrial community to evaluate the engine containment capability and prepare the final test demonstration in engine certification procedure. (C) 2013 CSAA & BUAA. Production and hosting by Elsevier Ltd. All rights reserved.
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