Load alleviation potential of active flaps and individual pitch control in a full design load basis

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    Abstract

    The load alleviation potential of the Controllable Rubber Trailing Edge Flap (CRTEF) is verified on a full Design Load Basis (DLB) setup using the aeroelastic code HAWC2, and by investigating a flap configuration for the NREL 5MW Reference Wind Turbine (RWT) model. The performance of the CRTEF configuration is evaluated by comparing four setups: 1) baseline with collective pitch, 2) individual pitch control, 3) individual flap control and 4) individual flap control combined with individual pitch control. The CRTEF allows for a significant reduction of the lifetime fatigue on various load channels; the reduction for some of the extreme loads is also noticeable
    Original languageEnglish
    Title of host publicationProceedings of the EWEA Annual Event and Exhibition 2015
    Number of pages7
    PublisherEuropean Wind Energy Association (EWEA)
    Publication date2015
    Publication statusPublished - 2015
    EventEWEA Annual Conference and Exhibition 2015 - Paris, France
    Duration: 17 Nov 201520 Nov 2015

    Conference

    ConferenceEWEA Annual Conference and Exhibition 2015
    Country/TerritoryFrance
    CityParis
    Period17/11/201520/11/2015

    Bibliographical note

    Paper for poster presentation

    Keywords

    • CRTEF
    • Controllable Rubber Trailing Edge Flap
    • DLB
    • Design Load Basis
    • IPC
    • Individual Pitch Control
    • IFC
    • Individual Flap Control

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