Phys. Rev. Lett. 100, 144501 (2008) [4 pages]Thermal Convection and Emergence of Isolated Vortices in Soap BubblesReceived 27 July 2007; published 7 April 2008 A novel thermal convection cell consisting of half a soap bubble heated at the equator is introduced to study thermal convection and the movement of isolated vortices. The soap bubble, subject to stratification, develops thermal convection at its equator. A particular feature of this cell is the emergence of isolated vortices. These vortices resemble hurricanes or cyclones and similarities between our observed structures and these natural objects are found. This is brought forth through a study of the mean square displacement of these objects showing signs of superdiffusion. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.144501
DOI:
10.1103/PhysRevLett.100.144501
PACS:
47.55.pb, 47.27.−i, 47.32.C−, 47.55.Hd
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