平板闸门垂向自激振动数学模型研究Study on math-model of self-excited vertical vibration of plane gate
郭桂祯,练继建
摘要(Abstract)：
在分析前人实验结论和平板闸门自激振动机理的基础上,将结构—尾流振子模型应用到闸门垂向自激振动的研究中,振子模型采用von der por方程,在结构的控制方程中合理地加入了附加质量项。通过确定模型其他参数并对模型进行计算得到闸门稳定自激振动(共振区)下的垂向振动峰值和频率比。计算值和实测值能较好地吻合,从而实现了影响闸门自激振动参数的整合及对闸门自激振动的定量研究,为进一步深入分析闸门自激振动的机理提供了更加可靠的依据。
关键词(KeyWords)： 平板闸门;自激振动;折算速度;涡激振动;附加质量;斯特劳哈尔(Strouhal)数
基金项目(Foundation):
作者(Author): 郭桂祯,练继建
DOI: 10.13928/j.cnki.wrahe.2013.02.034
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