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Title: Vortex Induced Oscillations of Cylinders
Authors: Camassa, Roberto
Chung, Bong Jae
Gipson, Greg
McLaughlin, Richard
Vaidya, Ashwin
Keywords: vortex shedding
Issue Date: 10-Oct-2008
Abstract: This video shows the orientational behavior of a hinged cylinder suspended in a water tunnel with Reynolds number (Re) ranging between 100-6000 and reduced inertia (I*) in the range 0.1-0.6. The cylinder displays unique features, such as: steady orientation, periodic oscillations and autorotation. We illustrate these features using a phase diagram which captures the observed phenomena as a function of Re and I*. A hydrogen bubble flow visualization technique is employed to show vortex shedding structure in the cylinder?s wake which results in these oscillations.
Appears in Collections:Fluid Dynamics Videos

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File Description SizeFormat
vio(large).mpgVideo(large)95.78 MBMPEGView/Open
vio(small).mpgVideo(small)8.32 MBMPEGView/Open

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