Water exchange between adjacent vortices under an additional oscillatory flow |
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| Authors: | Yukio Oonishi Hideaki Kunishi |
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| Institution: | (1) Disaster Prevention Research Institute, Kyoto University, Gokasho, 611 Uji, Japan;(2) Geophysical Institute, Faculty of Science, Kyoto University, Sakyo-ku, 606 Kyoto, Japan |
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| Abstract: | It is shown that the coupling effect of the steady vortices and the Eulerian oscillatory flow yields the 8-shaped Lagrangean motion through which adjacent vortices intercommunicates, inducing water exchange between them. The water exchange coefficient is fairly large. This coupling effect is considered to play an important role in the water exchange across the narrow strait which is accompanied with a strong tidal current and a pair of tidal residual circulations. |
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