| 水轮机固定导叶的涡街模拟与振动分析 |
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| 引用本文： | 庞立军,吕桂萍,钟苏,刘晶石.水轮机固定导叶的涡街模拟与振动分析[J].机械工程学报,2011,47(22):159-166. |
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| 作者姓名： | 庞立军 吕桂萍 钟苏 刘晶石 |
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| 作者单位： | 哈尔滨大电机研究所水力发电设备国家重点实验室 哈尔滨150040 |
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| 基金项目： | 国家重点基础研究发展计划资助项目(973计划,2010CB736208) |
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| 摘 要： | 研究三峡右岸部分机组水轮机固定导叶出水边处的卡门涡街共振问题.根据机组的实际运行情况和产生异常噪声的特点,应用计算流体力学(Computational fluid dynamics,CFD)数值分析技术对固定导叶开展出水边处的涡街振动模拟,建立模拟涡街振动的CFD数值模型,采用Fluent软件实现对卡门涡街振动特性的定...
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| 关 键 词： | 固定导叶 卡门涡街共振 数值模型 异常噪声 出水边形状 |
Vortex Shedding Simulation and Vibration Analysis of Stay Vanes of Hydraulic Turbine |
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| PANG Lijun,L Guiping,ZHONG Su,LIU Jingshi.Vortex Shedding Simulation and Vibration Analysis of Stay Vanes of Hydraulic Turbine[J].Chinese Journal of Mechanical Engineering,2011,47(22):159-166. |
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| Authors: | PANG Lijun L Guiping ZHONG Su LIU Jingshi |
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| Affiliation: | PANG Lijun L? Guiping ZHONG Su LIU Jingshi(State Key Laboratory of Hydropower Equipment,Harbin Institate of Large Electrical Machinery,Harbin 150040) |
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| Abstract: | The Karman vortex shedding resonance at the trailing-edge of stay vanes in some units of right bank of Three Gorges Hydropower station is investigated.According to the actual operation of units and the characteristics of abnormal noise,the Karman vortex shedding resonance at the trailing-edge of stay vanes is simulated by using computational fluid dynamics,CFD numerical technology.Based on the CFD numerical model established,quantitative analysis on the vibration performance of Karman vortex shedding is ach... |
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| Keywords: | Stay vane Karman vortex shedding resonance Numerical model Abnormal noise Trailing-edge profile |
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