The minimum-enstrophy principle for decaying 2D turbulence in circular domains

G.H. Keetels, H.J.H. Clercx, G.J.F. Heijst, van

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Abstract

In several numerical and experimental studies [1, 2] on freely evolving or decaying two-dimensional (2D) turbulence on a square bounded domain it is observed that a flow, initially containing no net angular momentum (L), spontaneously acquires angular momentum by flow-wall interaction. From earlier work, by Li and Montgomery [3], it could be conjectured that on a circular domain with a no-slip boundary angular momentum production is absent. Decaying turbulence experiments in stratified fluids conducted a few years later by Maassen et al. [4] provided additional evidence supporting this conjecture. These observations have recently been confirmed by Schneider and Farge [5] for decaying 2D turbulence with substantially higher initial integral scale Reynolds numbers.
Original languageEnglish
Title of host publicationAdvances in Turbulence XII: Proceedings of the 12th EUROMECH European Turbulence Conference, 7-10 September, 2009, Marburg, Germany
EditorsB. Eckhardt
Place of PublicationBerlin
PublisherSpringer
Pages257-260
ISBN (Print)978-3-642-03084-0
DOIs
Publication statusPublished - 2009
Eventconference; 12th EUROMECH European Turbulence Conference; 2009-09-07; 2009-09-10 -
Duration: 7 Sep 200910 Sep 2009

Publication series

NameSpringer Proceedings in Physics
Volume132
ISSN (Print)0930-8989

Conference

Conferenceconference; 12th EUROMECH European Turbulence Conference; 2009-09-07; 2009-09-10
Period7/09/0910/09/09
Other12th EUROMECH European Turbulence Conference

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