Experimental and Numerical study of Wake to Wake Interaction in Wind Farms

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    Abstract

    In this paper, wake interaction between two wind turbines
    is analyzed using experimental and numerical
    approaches. Full-scale wake measurements are
    conducted at Tjæreborg wind farm and are obtained
    using a continuous wave lidar mounted on the back
    of the nacelle of a 2MW NM80 turbine. Numerical
    analyses are conducted for two double wake cases
    characterized by different turbine spacing, using the
    in-house EllipSys3D flow solver. Large Eddy Simulation
    and Actuator Line technique are used for modeling
    the rotor and the flow field. 10-minute average
    streamwise velocity and turbulence level are compared,
    and good agreement is seen between the
    measurements and the computations despite of a
    lateral offset and other discrepancies due to uncertainties
    on the measured inflow conditions and lidar
    mounting alignment.
    Original languageEnglish
    Title of host publicationProceedings of EWEA 2012 - European Wind Energy Conference & Exhibition
    Number of pages10
    PublisherEuropean Wind Energy Association (EWEA)
    Publication date2012
    Publication statusPublished - 2012
    EventEWEC 2012 - European Wind Energy Conference & Exhibition - Copenhagen, Denmark
    Duration: 16 Apr 201219 Apr 2012
    http://events.ewea.org/annual2012/

    Conference

    ConferenceEWEC 2012 - European Wind Energy Conference & Exhibition
    Country/TerritoryDenmark
    CityCopenhagen
    Period16/04/201219/04/2012
    Internet address

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