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

被引：0
|
作者：
Chai X.-H. [1 ,2 ]
Hou L. [1 ,2 ]
Wang Z.-Q. [1 ,2 ]
Tang Z.-B. [3 ]
机构：
[1] Department of Discipline Engineering, Commercial Aircraft Engine Company Limited, Aviation Industry Corporation of China, Shanghai
[2] Shanghai Engineering Research Center of Civil Aero Engine, Aviation Industry Corporation of China, Shanghai
[3] School of Aeronautics, Northwestern Polytechnical University, Xi'an
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2016年 / 31卷 / 05期
关键词：
Aero engine; Bird strike; Model calibration; Numerical simulation; Wide-chord fan blade;
D O I：
10.13224/j.cnki.jasp.2016.05.002
中图分类号：
学科分类号：
摘要：
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. © 2016, Editorial Department of Journal of Aerospace Power. All right reserved.
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页码：1032 / 1038
页数：6
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