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Head‐on collision of a large vortex ring with a free surface
dc.contributor.authorSong, Museoken_US
dc.contributor.authorBernal, Luis P.en_US
dc.contributor.authorTryggvason, Grétaren_US
dc.date.accessioned2010-05-06T21:13:27Z
dc.date.available2010-05-06T21:13:27Z
dc.date.issued1992-07en_US
dc.identifier.citationSong, Museok; Bernal, Luis P.; Tryggvason, Grétar (1992). "Head‐on collision of a large vortex ring with a free surface." Physics of Fluids A: Fluid Dynamics 4(7): 1457-1466. <http://hdl.handle.net/2027.42/69835>en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/69835
dc.description.abstractThe generation of free surface waves due to the head‐on collision of a vortex ring with the free surface is studied experimentally and numerically. The interaction process is investigated by looking at the free surface evolution with the aid of a shadowgraph image, by measurement of the free surface elevation, and by visualizing the vortex ring with hydrogen bubbles. Three different free surface patterns are observed, depending on the strength of the vortex ring: (1) A single circular depression of the free surface for weak vortex rings and at very early times for strong vortex rings, (2) axisymmetric radially propagating waves in the early stage of the interaction of strong vortex rings with the surface, and (3) fully three‐dimensional waves that depend on the local structure of the vortex core. Numerical simulations are used to address the observed axisymmetric phenomena.en_US
dc.format.extent3102 bytes
dc.format.extent1171237 bytes
dc.format.mimetypetext/plain
dc.format.mimetypeapplication/pdf
dc.publisherThe American Institute of Physicsen_US
dc.rights© The American Institute of Physicsen_US
dc.titleHead‐on collision of a large vortex ring with a free surfaceen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPhysicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumCollege of Engineering, University of Michigan, Ann Arbor, Michigan 48109en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/69835/2/PFADEB-4-7-1457-1.pdf
dc.identifier.doi10.1063/1.858420en_US
dc.identifier.sourcePhysics of Fluids A: Fluid Dynamicsen_US
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dc.owningcollnamePhysics, Department of


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