Study on Resonance Characteristics of Hydraulic Excited Flutter Device

China Mechanical Engineering ›› 2014, Vol. 25 ›› Issue (8): 1071-1074.

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Study on Resonance Characteristics of Hydraulic Excited Flutter Device

Xing Tong;Li Xiuwu;Ma Hongjie;Jin Defeng;Du Xuewen

Key Laboratory of Special Purpose Equipment and Advanced Processing Technology of Ministry of Education/Zhejiang Province,Zhejiang University of Technology,Hangzhou,310032

Online:2014-04-25 Published:2014-05-06
Supported by:
National Natural Science Foundation of China（No. 51075364）;Zhejiang Provincial Natural Science Foundation of China（No. Y1110846）

液压颤振器的谐振特性研究

邢彤;李修武;马宏杰;靳德峰;杜学文

浙江工业大学教育部/浙江省特种装备制造与先进加工技术重点实验室,杭州,310032

基金资助:
国家自然科学基金资助项目（51075364）；浙江省自然科学基金资助项目（Y1110846）

Abstract

Abstract:

The vibration model of a single-acting hydraulic excited flutter device was established herein, and the resonance frequency was deduced. The modal analysis during the exciting vibration was done by ANSYS soft. Experimental studies find some interesting phenomenon during resonance, where amplitude increases significantly, waveform is better than that of non-resonance process. In addition, resonance frequency fells slightly and bandwidth of resonance is larger because of the fluid-structure interaction.

Key words: hydraulic excited flutter device, modal analysis, resonance;fluid-structure coupling

摘要：

建立了一种单作用液压颤振器的简化振动模型,并推导出谐振频率。采用ANSYS分析了液压颤振器的流固耦合振动模态。实验研究发现,发生谐振时的振幅有显著增加,谐振时的波形明显比非谐振时好;另外,流固耦合作用使系统谐振频率小幅下降,发生谐振的频宽变大。

关键词: 液压颤振, 模态分析, 谐振, 流固耦合

CLC Number:

TH137

Xing Tong, Li Xiuwu, Ma Hongjie, Jin Defeng, Du Xuewen. Study on Resonance Characteristics of Hydraulic Excited Flutter Device[J]. China Mechanical Engineering, 2014, 25(8): 1071-1074.

邢彤, 李修武, 马宏杰, 靳德峰, 杜学文. 液压颤振器的谐振特性研究[J]. 中国机械工程, 2014, 25(8): 1071-1074.

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Study on Resonance Characteristics of Hydraulic Excited Flutter Device

液压颤振器的谐振特性研究

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