Vortex-induced Vibration Control by Micro Actuator

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 act...

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Veröffentlicht in:	Journal of mechanical science and technology 2007, 21(9), , pp.1408-1414
Hauptverfasser:	Li, Bao-Qing, Liu, Yang, Chu, Jia-Ru
Format:	Artikel
Sprache:	eng
Schlagworte:	Actuators Aircraft Boundary layer Circular cylinders Cylinders Exact sciences and technology Excitation Fundamental areas of phenomenology (including applications) Physics Solid mechanics Structural and continuum mechanics Structural vibration Unsteady Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Vortex-induced vibrations 기계공학
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Zusammenfassung:	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.[PUBLICATION ABSTRACT]
ISSN:	1738-494X 1976-3824
DOI:	10.1007/BF03177427