| 新型高推比涡轮风扇发动机盘时耦合振动分析 |
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| 引用本文： | 黄海鹰,王建明.新型高推比涡轮风扇发动机盘时耦合振动分析[J].北京航空航天大学学报,1994(2). |
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| 作者姓名： | 黄海鹰 王建明 |
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| 作者单位： | 北京航空航天大学动力系 |
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| 摘 要： | 本文将群论算法和动态子结构技术结合起来，并采用计算效率极高的Ｂｅｎｆｉｅｌｄ－Ｈｒｕｄａ的模态代入变换法，分析了某型发动机压气机的叶片／轮盘耦合系统的振动特性，计算了该叶片／轮盘耦合系统的前５阶振动频率和振型．根据叶片／轮盘耦合系统的共振条件进行共振分析，确定该发动机压气机有可能发生叶片／轮盘耦合共振．
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| 关 键 词： | 涡轮风扇 叶片 圆盘 振动分析方法 子结构法 |
MODAL ANALYSIS OF DISC-BLADE COUPLING SYSTEM OF A TURBOFAN AEROENGINE |
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| Huang Haiying,Wang Jianming.MODAL ANALYSIS OF DISC-BLADE COUPLING SYSTEM OF A TURBOFAN AEROENGINE[J].Journal of Beijing University of Aeronautics and Astronautics,1994(2). |
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| Authors: | Huang Haiying Wang Jianming |
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| Institution: | Beijing University of Aeronautics and Astronautics. Dept. Jet Propulsion |
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| Abstract: | The computational method of group theory combined with dynamic substructure tech-nique and efficient Benfield-Hruda' s substructure method are employed in this paper to ana-lyze dynamic properties of disc-blade coupling system of a certain aeroengine compressor. The first five vibrational modes and modal shapes of the disc-blade coupling system is calcu-lated. According to the resonant condition of disc-blade system. it is identified that disc-blade coupling resonance probably happen. |
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| Keywords: | turbofans blades disks vibration analysis method substructure methods blade-disc coupling system |
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