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反共振流体浮筏的隔振特性研究

DOI: 10.6052/1000-0992-20120209, PP. 49-53

Keywords: 流体浮筏,反共振,隔振器,低频隔振

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Abstract:

基于反共振原理,设计了一种新型的流体浮筏隔振器.应用流体动量方程和结构振动理论推导了该隔振器的数学模型,分析了其隔振特性,得到了最优隔振频率和浮体浸入流体深度的关系式.仿真结果表明,当浮体浸入流体深度在有限的范围内变化时,新型隔振器会在从低频到高频的宽带内发生反共振现象.反共振条件下的力传递率可降至极低水平.流体浮筏隔振器具有很好的(尤其是低频)隔振效果.

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