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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference 2006 vol.4 pt.A: Fluid-Structure Interaction >THEORETICAL ANALYSIS ON RADIAL GATE VIBRATION
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THEORETICAL ANALYSIS ON RADIAL GATE VIBRATION

机译：径向门振动的理论分析

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摘要

The instability analysis on vibration of radial gate has been done in 1999 under the research project In JPGA (Japan penstock and water gate association) and also the model test of gate vibration has been preceded. The almost theoretical results have been satisfied of the model test results, but there is one point not to be able to explain the relation of natural frequency of gate support system. The instable condition is given by the forth power of frequency of gate system in model test, and the fact that the region of instable becomes smaller as the gate opening larger, is same as the results of theoretical analysis. n this paper, author develop the new approach which is considering the pressure change by stopping the water flow same as water hummer in pipe line. And the unstable analysis on vibration equation of radial gate motion has been done and gotten good agreement on model test results.
机译：径向闸门振动的不稳定性分析是在JPGA（日本压力水闸协会）的研究项目下于1999年进行的，并且已经进行了闸门振动的模型测试。模型测试结果满足了几乎理论上的结果，但是有一点不能解释门支撑系统的固有频率的关系。不稳定条件由模型测试中闸门系统频率的四次幂给出，闸门开口越大，不稳定区域越小，这一事实与理论分析的结果相同。在本文中，作者开发了一种新方法，该方法通过停止管道中与悍马相同的水流来考虑压力变化。对径向闸门运动的振动方程进行了不稳定分析，与模型试验结果吻合良好。

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