| 螺旋管蒸汽发生器流体弹性不稳定性简化分析 |
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| 引用本文： | 曹明,徐健学.螺旋管蒸汽发生器流体弹性不稳定性简化分析[J].核动力工程,1995,16(6):533-539. |
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| 作者姓名： | 曹明 徐健学 |
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| 作者单位： | 西安交通大学 710049
(曹明，徐健学，李应勇，沈时芳)，西安交通大学 710049(薄涵亮) |
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| 摘 要： | 利用平面圆环模拟螺旋管结构，采用平面圆环动态固有特性解析结果，结合流体力概念，提出一种螺旋管蒸汽发生器失稳临界流速的简化解析分析方法。采用该方法对２０ＭＷ模型堆和２００ＭＷ模型堆进行了流体弹性不稳定性分析，并与采用直管流弹不稳公式的计算结果进行了比较。试验结果验证了本文方法的可靠性。
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| 关 键 词： | 螺旋管 弹性不稳定性 临界流速 流体弹性 |
Simplified Theoretical Analysis of Fluid-Elastic Instability for Helical Tube Steam Generator in Cross-flow |
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| Cao Ming Xu Jianxue Li Yingyong Shen Shifang Bo Hanliang.Simplified Theoretical Analysis of Fluid-Elastic Instability for Helical Tube Steam Generator in Cross-flow[J].Nuclear Power Engineering,1995,16(6):533-539. |
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| Authors: | Cao Ming Xu Jianxue Li Yingyong Shen Shifang Bo Hanliang |
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| Abstract: | Plane circle-the simplified model of helical tube is considered. The theoretical results of natural vibration properties for plane circle and the concept of fluid force are used to give a new simplified theoretical method, with which the instability critical velocity of helical tube steam generator could be worked out. This method is used to study the Fluid-elastic instability of the 20MW nuclear reactor model and 200MW nuclear reactor model, and the result of this method is compared with that of the method used in general tube arrays. This method is confirmed to be reliable by experiment. |
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| Keywords: | Helical tube Fluid-elastic instability Critical velocity |
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