Table-top rotating turbulence: an experimental insight through particle tracking

L. Castello, Del, H.J.H. Clercx, R.R. Trieling, A. Tsinober

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Abstract

Background rotation may seriously affect the dynamics of fluid flows when the relative importance of the nonlinear acceleration over the Coriolis force becomes small enough. It has a relevant effect on turbulent dispersion and mixing in geophysical and engineering flows, and acts with different mechanisms: the Coriolis force makes the flow strongly anisotropic and reduces the energy dissipation [1, 2]. The background rotation reduces the overall dispersion and particularly in the direction parallel to the rotation axis. At the same time, it leads to the formation of Ekman layers close to the horizontal no-slip boundaries, responsible for an enhancement of the vertical mixing by pumping effects.
Original languageEnglish
Title of host publicationProceedings of the 12th EUROMECH European Turbulence Conference, 7-10 September, 2009, Marburg, Germany
EditorsB. Eckhardt
Place of PublicationMarburg, Germany
PublisherSpringer
Pages431-434
ISBN (Print)978-3-642-03085-7
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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