| 航空发动机管路流固耦合固有频率计算与分析 |
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| 引用本文： | 杨莹,陈志英.航空发动机管路流固耦合固有频率计算与分析[J].燃气涡轮试验与研究,2010,23(1):42-46,25. |
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| 作者姓名： | 杨莹 陈志英 |
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| 作者单位： | 北京航空航天大学,能源与动力工程学院,北京,100191 |
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| 摘 要： | 本文使用ANSYS有限元软件对航空发动机管路的流固耦合振动进行分析研究。讨论了管内流体质量、压力、温度，管路形状、截面尺寸对管路流固耦合固有频率的影响。最后，考虑上述所有影响因素，对一实际发动机燃油管路进行计算．得到了其固有频率和振型。
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| 关 键 词： | 流固耦合 固有频率 有限元 流体参数 |
Calculation and Analysis on Natural Frequency of Fluid Structure Interaction in Aero-engine Pipelines |
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| YANG Ying,CHEN Zhi-ying.Calculation and Analysis on Natural Frequency of Fluid Structure Interaction in Aero-engine Pipelines[J].Gas Turbine Experiment and Research,2010,23(1):42-46,25. |
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| Authors: | YANG Ying CHEN Zhi-ying |
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| Institution: | YANG Ying,CHEN Zhi-ying(School of Jet Propulsion,Beijing University of Aeronautics , Astronautics,Beijing 100191,China) |
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| Abstract: | The current paper has researched about analysis on vibration of fluid structure interaction in aero-engine pipelines by ANSYS finite element software.The impacts of the fluid quality,pressure,tem-perature shape,and section size of pipelines on its natural frequency were discussed.Finally,considering all factors,the natural frequencies and vibration modes of an aero-engine fuel pipeline are calculated. |
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| Keywords: | fluid structure interaction natural frequency finite element fluid parameters |
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