Vortex-induced vibration control by micro actuator

被引：0
|
作者：
Bao-Qing Li
Yang Liu
Jia-Ru Chu
机构：
[1] University of Science and Technology of China Hefei,Department of Precision Machinery and Precision Instrumentation
[2] The Hong Kong Polytechnic University,Department of Mechanical Engineering
来源：
Journal of Mechanical Science and Technology | 2007年 / 21卷
关键词：
Control; Vortex-induced vibration; PZT actuator;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The control of vortex-induced vibration of two side-by-side circular cylinders in a cross flow is carried out experimentally. One cylinder is elastically supported and the other is fix-supported at both ends. The two cylinders vibrate under the action of the unsteady flow-induced forces. A micro actuator is embedded on the surface of each cylinder to perturb the boundary layer. The spacing ratio is set at 1.2. The measurement shows that the structural vibration can be suppressed significantly when the reduced excitation frequency is around 2.655.
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