| 结构可靠性定寿模型及其在航空动力结构中的应用 |
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| 引用本文： | 熊峻江,黄新宇,高镇同,干伟民,孙如林,孙淑苓.结构可靠性定寿模型及其在航空动力结构中的应用[J].航空动力学报,1996,11(4):352-354,434-435. |
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| 作者姓名： | 熊峻江 黄新宇 高镇同 干伟民 孙如林 孙淑苓 |
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| 作者单位： | 北京航空航天大学，中国直升机设计研究所 |
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| 摘 要： | 本文以安全寿命定寿，以损伤容限保障安全，发展了结构可靠性定寿模型，给出了确定结构首翻期和检修周期公式；还给出了该模型应用于航空发动机动力构件疲劳定寿的实例
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| 关 键 词： | 疲劳 断裂 寿命 模型 |
| 收稿时间： | 1995/10/1 0:00:00 |
| 修稿时间： | 4/1/1996 12:00:00 AM |
A STRUCTURE LIFE EVALUATION MODEL AND ITS APPLICATION TO DYNAMIC COMPONENTS OF AIRCRAFT POWERPLANT |
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| Xiong Junjiang,Huang Xinyu,Gao Zhengtong,Gan Weimin,Sun Rulin and Sun Shuling.A STRUCTURE LIFE EVALUATION MODEL AND ITS APPLICATION TO DYNAMIC COMPONENTS OF AIRCRAFT POWERPLANT[J].Journal of Aerospace Power,1996,11(4):352-354,434-435. |
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| Authors: | Xiong Junjiang Huang Xinyu Gao Zhengtong Gan Weimin Sun Rulin and Sun Shuling |
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| Institution: | 5th Dept.Beijing University of Aeronautics and Astronautics,Beijing 10083;5th Dept.Beijing University of Aeronautics and Astronautics,Beijing 10083;5th Dept.Beijing University of Aeronautics and Astronautics,Beijing 10083;Chinese Helicopter Research Institute,Jingdezhen 333001;Chinese Helicopter Research Institute,Jingdezhen 333001;Chinese Helicopter Research Institute,Jingdezhen 333001 |
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| Abstract: | The life of a structure is evaluated with its safe-life design,and its safety is ensured with the damage tolerant design,so the safe-life design and the damage tolerant design are combined and a structure life evaluation model is developed. The formulas to determine the service life and the inspection periods of a structure with the high reliability are presented.Then the model is applied to evaluating the inspection periods for aircraft powerplant dynamic components, and an example is given. |
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| Keywords: | Fatigue Fracture Lifetimes Model |
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