Turbulent oscillating channel flow subjected to wind stress

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

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    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 publicationDirect and Large-Eddy Simulation VII
    EditorsVincenzo Armenio, Bernard J. Geurts, Jochen Fröhlich
    Place of PublicationDordrecht
    PublisherSpringer
    Pages25-31
    Number of pages7
    ISBN (Electronic)978-90-481-3652-0
    ISBN (Print)978-90-481-3651-3
    DOIs
    Publication statusPublished - 2010
    Event7th ERCOFTAC Workshop on Direct and Large-Eddy Simulation VII, DLES 2008 - Trieste, Italy
    Duration: 8 Sep 200810 Sep 2008
    Conference number: 7

    Publication series

    NameERCOFTAC Series
    PublisherSpringer
    Volume13
    ISSN (Print)1382-4309

    Workshop

    Workshop7th ERCOFTAC Workshop on Direct and Large-Eddy Simulation VII, DLES 2008
    Abbreviated titleDLES
    CountryItaly
    CityTrieste
    Period8/09/0810/09/08

    Keywords

    • Wind stress
    • Large eddy simulation
    • Wall stress
    • Streamwise velocity
    • Half cycle

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