航空发动机宽弦风扇叶片鸟撞损伤模型标定

柴象海; 侯亮; 王志强; 汤忠斌

doi:10.13224/j.cnki.jasp.2016.05.002

航空发动机宽弦风扇叶片鸟撞损伤模型标定

doi: 10.13224/j.cnki.jasp.2016.05.002

柴象海^1,2,
侯亮^1,2,
王志强^1,2,
汤忠斌³

1. 中国航空工业集团中航商用航空发动机有限责任公司基础技术部, 上海 200241;
2. 中国航空工业集团上海商用飞机发动机工程技术研究中心, 上海 201108;
3. 西北工业大学航空学院, 西安 710072

基金项目:

国家自然科学基金(51205377)

上海市科委基础研究重大项目(12DJ1400500)

航空科学基金民发专项(2012ZBN2003)

详细信息

作者简介:
柴象海(1979-),男,山东济南人,高级工程师,博士,主要从事航空发动机包容性与外物吸入损伤研究.

中图分类号: V214
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- 被引次数: 0
出版历程
- 收稿日期: 2014-08-11
- 刊出日期: 2016-05-28

Bird strike model calibration for an aero engine wide-chord fan blade

1. Department of Discipline Engineering, Commercial Aircraft Engine Company Limited, Aviation Industry Corporation of China, Shanghai 200241, China;
2. Shanghai Engineering Research Center of Civil Aero Engine, Aviation Industry Corporation of China, Shanghai 201108, China;
3. School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China

摘要

摘要: 为建立航空发动机风扇叶片抗鸟撞载荷能力的量化预测方法,针对特定的航空发动机宽弦风扇叶片设计,依据发动机在典型工作状态下的吸鸟速度、角度等撞击参数开展叶片鸟撞试验,采用显式动力学数值仿真方法,建立叶片鸟撞试验仿真分析模型,并通过对模型中叶片材料参数、鸟体本构模型参数、鸟与叶片耦合接触参数进行敏感度分析,对模型进行标定.结果表明,标定后的鸟撞分析模型所预测的叶片损伤模式与试验结果一致,预测的损伤位置与试验测量结果误差小于10%.
- 航空发动机 /
- 宽弦风扇叶片 /
- 鸟撞 /
- 数值仿真 /
- 模型标定
Abstract: To establish a quantitative prediction method for the anti bird-strike capability of aero engine fan blade, a set of equivalent bird strike tests were performed with the impact parameters, e.g. the velocity and angle of the bird under typical engine operation conditions for a particular titanium wide-chord fan blade design. Then, an explicit dynamic simulation model was built to simulate the bird strike. Through sensitivity analysis, the blade material parameters, the bird body parameters and the blade-bird coupling contact parameters in the simulation model were calibrated based on the test results. The results show that the blade failure mode predicted by the calibrated bird-strike model is consistent with the test, and the prediction error of the failure location is within 10% compared with the test observation error.
- aero engine /
- wide-chord fan blade /
- bird strike /
- numerical simulation /
- model calibration

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参考文献(18)

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