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2013-09Permanent link to this record
http://hdl.handle.net/10754/562923
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In this paper we show that the wave patterns observed on the interfacial contours of hollow-core vortices, produced within a shallow layer of fluid contained in stationary cylinder and driven by a rotating disk at the bottom [G.H. Vatistas, H.A. Abderrahmane, M.H. Kamran Siddiqui, Experimental confirmation of Kelvin's equilibria, Phys. Rev. Lett. 100 (2008) 174503-174504], can be described as travelling cnoidal waves. These rotating stationary waves are obtained as solutions of a Korteweg-de Vries type equation, in accordance with the geometrical and kinematic characteristics of the observed polygonal patterns. © 2013 Elsevier Masson SAS. All rights reserved.Citation
Amaouche, M., Abderrahmane, H. A., & Vatistas, G. H. (2013). Nonlinear modes in the hollow-cores of liquid vortices. European Journal of Mechanics - B/Fluids, 41, 133–137. doi:10.1016/j.euromechflu.2013.03.001Publisher
Elsevier BVae974a485f413a2113503eed53cd6c53
10.1016/j.euromechflu.2013.03.001