Study of Tip-loss Using an Inverse 3D Navier-Stokes Method

Robert Mikkelsen, Jens Nørkær Sørensen, Wen Zhong Shen, Jess Michelsen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


    The tip-correction for air-screws described by Prandtl (1919) and implemented into the Blade Element Momentum (BEM) theory by Glauert (1930), is founded on certain assumptions which the present analysis seeks to overcome. In the paper we propose a method to derive the tip-correction by solving the 3D Navier-Stokes equations combined with the actuator line technique where blade loading is applied using an inverse method. The numerical simulations shows that the method captures the tip-correction when comparing with the theories of Prandtl and Goldstein, however, the accuracy of the obtained results reveal that further refinements still is needed. Keywords: Tip-loss; Actuator line; 3D Navier-Stokes methods.
    Original languageEnglish
    Title of host publicationProc. European Wind Energy Conference & Exhibition
    Place of PublicationCD-ROM,
    PublisherEuropean Wind Energy Association (EWEA)
    Publication date2003
    Publication statusPublished - 2003
    Event2003 European Wind Energy Conference and Exhibition - Madrid, Spain
    Duration: 16 Jun 200319 Jun 2003


    Workshop2003 European Wind Energy Conference and Exhibition


    Dive into the research topics of 'Study of Tip-loss Using an Inverse 3D Navier-Stokes Method'. Together they form a unique fingerprint.

    Cite this