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Mixing within patterned vortex core

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Abstract

The video shows the flow dynamics within inner and outer regions of a vortex-core. The observed phenomena mimic a transport process occurring within the Antarctic vortex. The video shows two distinct regions: a strongly mixed core and broad ring of weakly mixed region extending out the vortex core boundaries. The two regions are separated by a thin layer that isolates the weakly and strongly mixed regions; this thin layer behaves as barrier to the mixing of the two regions. The video shows that the barriers deplete when a swirl of the vortex core increases and the vortex core espouses a triangular pattern.

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Natural Sciences and Engineering Research Council of Canada (NSERC)

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2009-10-16T20:14:49Z

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Vortex pattern; Mixing

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Government Document

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video/moving image

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