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  4. Passive self-aligning of a floating offshore wind turbine
 
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Passive self-aligning of a floating offshore wind turbine

Citation Link: https://doi.org/10.15480/882.3010
Publikationstyp
Conference Paper
Date Issued
2020-09-22
Sprache
English
Author(s)
Netzband, Stefan  
Schulz, Christian  orcid-logo
Abdel-Maksoud, Moustafa  orcid-logo
Institut
Fluiddynamik und Schiffstheorie M-8  
TORE-DOI
10.15480/882.3010
TORE-URI
http://hdl.handle.net/11420/7678
Journal
Journal of physics. Conference Series  
Volume
1618
Issue
5
Article Number
052027
Citation
Journal of Physics: Conference Series 5 (1618): 052027 (2020-09-22)
Contribution to Conference
Science of Making Torque from Wind 2020, TORQUE 2020  
Publisher DOI
10.1088/1742-6596/1618/5/052027
Scopus ID
2-s2.0-85092376058
Publisher
IOP Publ.
The development of floating offshore wind turbines opens the way for various new design types, and the platform, tower and turbine can benefit from its floating foundation. Self-aligning platforms, where the entire structure follows the wind direction are a promising concept. A single point mooring with turret system allows for free rotation around the vertical axis. Aerodynamic forces of rotor and tower induce the self-aligning moment. In the present study, the operating principle of a passive platform design with airfoil-shaped tower and downwind rotor is analyzed under steady conditions using a boundary element method (BEM). Rotor cone angle and the tower dimensions have a major influence on the yawing moment. They must be large enough to dominate the hydrodynamic forces induced by seaway and current. The passive self-aligning capability is shown in an integrated simulation for various current velocities and wind-current offset angles.
DDC Class
600: Technik
More Funding Information
The authors kindly thank the Federal Ministry for Economic Affairs and Energy of Germany (BMWi) for financially supporting the HySToH project [03SX409A-F]. The authors also kindly thank our project partners CRUSE Offshore GmbH, aerodyn engineering gmbh, JÖRSS {BLUNCK { ORDEMANN GmbH, DNV GL and the Institute for Ship Structural Design and Analysis at the Hamburg University of Technology for the excellent cooperation.
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/3.0/
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