UNSTEADY FLOW AROUND A VERTICAL CIRCULAR CYLINDER IN A WAVE
No. 21 (1988), Conference Proceedings
No. 21 (1988)

UNSTEADY FLOW AROUND A VERTICAL CIRCULAR CYLINDER IN A WAVE

Conference Proceedings
https://doi.org/10.9753/icce.v21.68
Published 1988-01-29
Kenjirou Hayashi
Dept. of Civil Engineering, National Defense Academy
Toshiyuki Shigemura
Dept. of Civil Engineering, National Defense Academy
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Keywords

unsteady flow
vertical cylinder

How to Cite

Hayashi, K., & Shigemura, T. (1988). UNSTEADY FLOW AROUND A VERTICAL CIRCULAR CYLINDER IN A WAVE. Coastal Engineering Proceedings, 1(21), 68. https://doi.org/10.9753/icce.v21.68
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Abstract

The unsteady characteristics of flow around a vertical circular cylinder in a typical wave, under which the lift force acting on it is very stable and has a frequency which is twice that of the incident wave, have been investigated experimentally. The relationship between the fluctuating flow velocities near the boundary layer separation points and the lift force acting on a sectional part of the cylinder has been understood quantitatively. To clarify the region where the appearance of stable lift force occurs, the long time records of lift forces acting on vertical cylinders in waves are also performed.
https://doi.org/10.9753/icce.v21.68
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