Fluidic load control for wind turbine blades

C.S. Boeije, H. de Vries, I. Cleine, E. van Emden, G.G.M. Zwart, H. Stobbe, A. Hirschberg, H.W.M. Hoeijmakers

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

    24 Citations (Scopus)


    This paper describes the initial steps into the investigation of the possibility of reducing fatigue loads on wind turbine blades by the application of fluidic jets. This investigation involves static pressure measurements as well as numerical simulations for a non-rotating NACA-0018 airfoil. The fluidic jets are obtained by injecting air from slits located near the trailing edge of the airfoil. The air is injected perpendicularly to the airfoil surface with a velocity of the order of magnitude of the free stream velocity for Re c = 6.6×105, M∞ = 0.176 and a range of angles of attack. A significant change in lift can be observed, although calculated results show a more pronounced effect than the results obtained in the experiments. The calculated change is observed to be nearly constant for angles of attack ranging from -10° to +10°, with approximately 50% of the total change in lift obtained within a dimensionless time of tU ∞/c = 1. Copyright © 2009 by the American Institute of Aeronautics and Astronautics, Inc.
    Original languageEnglish
    Title of host publication47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition
    Subtitle of host publication5-8 January 2009, Orlando, Florida
    Editors Maureen Hand
    Place of PublicationReston, VA, USA
    PublisherAmerican Institute of Aeronautics and Astronautics Inc. (AIAA)
    ISBN (Print)1-56347-969-9
    Publication statusPublished - 5 Jan 2009
    Event47th AIAA Aerospace Sciences Meeting 2009: including The New Horizons Forum and Aerospace Exposition - Orlando, United States
    Duration: 5 Jan 20098 Jan 2009
    Conference number: 47


    Conference47th AIAA Aerospace Sciences Meeting 2009
    Country/TerritoryUnited States


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