Self-organized vortex multiplets in swirling flow

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The possibility of double vortex multiplet formation at the center of an intensively swirling cocurrent flow generated in a cylindrical container by its rotating lid is reported for the first time. The boundary of the transition to unsteady flow regimes, which arise as a result of the equilibrium rotation of self-organized vortex multiplets (triplet, double triplet, double doublet, and quadruplet), has been experimentally determined for cylinders with the aspect (height to radius) ratios in a wider interval than that studied previously.
Original languageEnglish
JournalTechnical Physics Letters
Issue number8
Pages (from-to)675-678
Publication statusPublished - 2008



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