Comparing Sources of Damping of Cross-Wind Motion

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2009

Without internal affiliation

  • Author: Tarp-Johansen, Niels Jacob

  • Author: Andersen, Lars

    Aalborg University

  • Author: Christensen, Erik Damgaard

    Unknown

  • Author: Mørch, Christian

  • Author: Frandsen, Sten

  • Author: Frandsen, Sten

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Cross-wind vibrations due to wave loading misaligned with the wind causes fatigue known to be design driving for support structures of large turbines offshore increasing fatigue loads notably compared to the along-wind fatigue. The small amount of damping assumed for cross-wind motion in current practise plays a key role in this. The questions are: does more damping exist and is one of the sources of damping the main contributor allowing for site-independent guidelines. The aim of this paper is to address these issues. It is demonstrated that tower dampers are important in order to tackle the excessive cross-wind vibrations.
Original languageEnglish
Title of host publicationEuropean Offshore Wind 2009 : Conference & Exhibition
PublisherThe European Wind Energy Association
Publication date2009
StatePublished

Conference

ConferenceThe European Offshore Wind Conference & Exhibition
CityStockholm, Sweden
Period01/01/09 → …
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