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Title: Vortex induced oscillations of cylinders

Description: 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 wake.

Credits: Roberto Camassa, Bong Jae Chung, Greg Gipson, Richard McLaughlin, Ashwin Vaidya

References:

Web Page: http://hdl.handle.net/1813/11484

Contributed By: Tausif Billah

 
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