| 卡门涡诱发的水电机组振动特性研究 |
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| 引用本文： | 潘罗平.卡门涡诱发的水电机组振动特性研究[J].长春工程学院学报(自然科学版),2010,11(3):134-137,154. |
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| 作者姓名： | 潘罗平 |
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| 作者单位： | 中国水利水电科学研究院,机电研究所,北京,100038 |
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| 摘 要： | 针对近年来我国大中型水电站接连发生卡门涡诱发的机组振动问题,介绍了影响叶片卡门涡频率和脉动幅值的主要因素,并根据作者多年来的工程经验,总结归纳了卡门涡诱发的机组振动的基本特征,提出了避免或消除叶片卡门涡共振的工程措施.
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| 关 键 词： | 水电机组 卡门涡 诱发 振动特性 |
Study on vibration characteristics induced by Karman vortices for hydropower units |
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| PAN Luo-ping.Study on vibration characteristics induced by Karman vortices for hydropower units[J].Journal of Changchun Institute of Technology(Natural Science Edition),2010,11(3):134-137,154. |
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| Authors: | PAN Luo-ping |
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| Institution: | PAN Luo-ping(Department of Hydraulic Machinery,IWHR,Beijing 100038,China) |
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| Abstract: | Vibration problems induced by Karman vortices Occurred continuously in large hydropower stations in recent years in China.This paper presents main factors that may influence the frequency and amplitude of Karman vortices.Based on the years of engineering experience,the vibration characteristics induced by Karman vortices for Hydropower units are summarized and concluded.Then engineering Solution to avoid or eliminate Karman vortices resonance of runner blade is proposed. |
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| Keywords: | hydropower units Karman vortices induced vibration characteristic |
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