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Numerical Simulation on Laminar Flow past a Rotating Circular Cylinder  

Park, Jong-Chun (Department of Naval Architecture and, Ocean Engineering, Pusan National University)
Moon, Jin-Kook (Department of Naval Architecture and, Ocean Engineering, Pusan National University)
Yoon, Hyun-Sik (Department of Naval Architecture and, Ocean Engineering, Pusan National University)
Lee, Byung-Hyuk (Department of Naval Architecture and, Ocean Engineering, Pusan National University)
Chun, Ho-Hwan (Department of Naval Architecture and, Ocean Engineering, Pusan National University)
Suh, Sung-Bu (Research Institute of Medium and Small Ship Building, RIMS)
Publication Information
Journal of Ocean Engineering and Technology / v.19, no.3, 2005 , pp. 1-10 More about this Journal
Abstract
The effect of rotation on the unsteady laminar flaw past a circular cylinder is numerically investigated in the present study. The numerical solutions for the 2D Navier-Stokes equation obtained, using two different numerical methods. One is an accurate spectral method and the other is a finite volume method(FVM). First, the flaw around a stationary circular cylinder is investigated to understand the basic phenomenon of flaw separation and bluff body wake. Next, the flow characteristics of the laminar flow, past a rotating circular cylinder, are investigated, using a FVM developed in this study. By the effect of rotation, it is seen that values of lift increase, while the values of mean drag decrease. Further, the criteria of angular velocity, at which the Karman vorteces disappear, is also determined.
Keywords
Rotating Circular Cylinder; Vortex Shedding; Laminar Flow; Statistics on a Cylinder Surface; Magnus Effect; CFD;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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