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J. Ocean Eng. Technol. 2005;19(1):8-13.
Flow Characteristics Study around Two Vertical Cylinders
SHIN YOUNG S.;JO CHUL-HEE;KIM IN-HO;
Halla University;Inha University;Donghae University;
Key Words: Flow Patterns, Multiple Cylinder Arrays, Pressure Measurement
Abstract
In a multiple array of vertical cylinders, flaw patterns are very complex and very interactive between cylinders. The patterns are turbulent and non-linear depending on various factors. The gap and flow incoming velocity of upstream can affect on the downstream cylinder. In this study, the flaw characteristics around two vertical cylinders are investigated numerically and experimentally. As the gap between cylinders is changed at fixed coming velocity, the pressure distributions around cylinders are observed and compared by experimental and numerical approaches. The F.D.M and multi-block method are applied in the study. The pressures at 12 points around the cylinder are measured in the experiment. The results can be applied in the understanding and design of multiple pile array structures.


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