Turbulent oscillating channel flow subjected to wind stress

W. Kramer, H.J.H. Clercx, V. Armenio

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Abstract

The channel flow subjected to a wind stress at the free surface and an oscillating pressure gradient is investigated using large-eddy simulations (LES). A slowly pulsating mean flow occurs, with the turbulent mechanics essentially being quasi steady. Logarithmic boundary layers are present at both the bottom wall and the free-surface. Turbulent streaks are observed in the bottom and free-surface layer. The mean velocity and the structures emerging in the flow have been discussed.
Original languageEnglish
Title of host publicationProceedings of the Seventh International ERCOFTAC Workshop on Direct and Large-Eddy Simulation, University of Trieste, Italy September 8-10, 2008
EditorsV. Armenio, B. Geurts, J. Fröhlich
Place of PublicationBerlin
PublisherSpringer
Pages27-33
ISBN (Print)978-90-481-3651-3
DOIs
Publication statusPublished - 2010
Event7th ERCOFTAC Workshop on Direct and Large-Eddy Simulations (DLES7), September 8-10, 2008, Trieste, Italy - Trieste, Italy
Duration: 8 Sep 200810 Sep 2008

Publication series

NameErcoftac Series
Volume13
ISSN (Print)1382-4309

Workshop

Workshop7th ERCOFTAC Workshop on Direct and Large-Eddy Simulations (DLES7), September 8-10, 2008, Trieste, Italy
Abbreviated titleDLES7
CountryItaly
CityTrieste
Period8/09/0810/09/08
OtherERCOFTAC

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