Multiple helical modes of vortex breakdown

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Experimental observations of vortex breakdown in a rotating lid-driven cavity are presented. The results show that vortex breakdown for cavities with high aspect ratios is associated with the appearance of stable helical vortex multiplets. By using results from stability theory generalizing Kelvin’s problem on vortex polygon stability, and systematically exploring the cavity flow, we succeeded in identifying two new stable vortex breakdown states consisting of triple and quadruple helical multiplets.
Original languageEnglish
JournalJournal of Fluid Mechanics
Publication date2011
Volume683
Pages430-441
ISSN0022-1120
DOIs
StatePublished

Bibliographical note

© Cambridge University Press

CitationsWeb of Science® Times Cited: 6

Keywords

  • Vortex instability, Vortex breakdown
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