Abstract

Experiments have been conducted on vortex-induced vibrations of a circular cylinder in high Reynolds number (1×105<Re<3×106) water flow. Experimental results of displacements in drag and lift directions by resonant vortex-induced vibrations were compared to evaluate the effects of Reynolds number, the damping ratio and the tapered shape on them. As the results, these effects were confirmed on the criteria of the incipient of resonant vortex-induced vibration and its displacement.

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