Publisher DOI: 10.1080/09377255.2018.1555986
Title: Self-aligning behaviour of a passively yawing floating offshore wind turbine
Language: English
Authors: Netzband, Stefan 
Schulz, Christian 
Abdel-Maksoud, Moustafa  
Keywords: boundary element method; Panel method; self-Aligning floating offshore wind turbine
Issue Date: 2-Jan-2020
Source: Ship Technology Research 1 (67): 15-25 (2020-01-02)
Abstract (english): 
Floating offshore wind turbines are a promising concept for expanding offshore wind energy. In comparison with fix-founded offshore wind turbines, the overall costs are less dependent on water depths, which leads to a variety of potential locations and markets worldwide. Furthermore, floating platforms allow for new structural designs with the potential to save material and installation costs. In this paper, a self-aligning platform equipped with a 6 MW turbine is presented. The platform is moored on a single point and uses a turret buoy to be able to rotate freely around its anchor point. A downwind rotor and an airfoil-shaped tower induce self-aligning turning moments to passively follow changes of the wind direction. The first order boundary element method panMARE is used to simulate the motion behaviour considering aerodynamic, hydrodynamic and mooring loads. The self-aligning capability is demonstrated under partial turbine load for steady and dynamic conditions with waves and current.
ISSN: 0937-7255
Journal: Ship technology research 
Institute: Fluiddynamik und Schiffstheorie M-8 
Document Type: Article
Project: Entwicklung einer numerischen Methode zur Analyse des Bewegungsverhaltens von schwimmenden Offshore Windkraftanlagen 
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