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A numerical simulation was performed using a vortex method in order to investigate the fluid mechanical interferences of two tandem airfoils at variable angles of attack. Based on the shape of a vessel or a submarine, the mutual distance between the two airfoils (distance ratio) and the range of angle of attack were chosen. A symmetrical airfoil NACA0012 was used and the Reynolds number was Re = 3...
In order to understand the flow feature around an in-line forced oscillating circular cylinder with splitter plate (splitter plate ratio SL/d = 2.0), numerical and visual experiments were performed. As a result, even if it was the case of circular cylinder with splitter plate, the lock-in phenomenon arises. The characteristics of fluid force and typical flow patterns were obtained. It was found that...
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