Impact of Sea Ice Loads on Global Dynamics of Offshore Wind Turbines
Wojciech Popko
Hrsg.: Fraunhofer IWES, Bremerhaven
2021, 240 S., num., mostly col. illus. and tab., Softcover
Sprache: Englisch
Hannover, TIB, Diss., 2020
Fraunhofer Verlag
ISBN 978-3-8396-1684-0

zur Open Access Version

Inhalt
Support structures for offshore wind turbines (OWTs) are designed and certified site-specific based on the calculated load effects. These load effects originate from static, cyclic, stochastic, and transient loads from the met-ocean environment and rotating components of the wind turbine. The met-ocean environment of the Baltic Sea accounts for variable wind and marine conditions. Sea ice is part of marine conditions - which among others - should be included in the design process of OWT support structures. The load analysis and design of OWTs, including its components, rely on the time-domain based, coupled aero-hydro-servo-elastic simulation tools. Only this approach can provide an accurate prediction of the OWT dynamic response. Dynamic interaction between an OWT and external loads - including ice loads - cannot be disregarded as it may result in considerable loss of accuracy. A proper understanding of sea ice impact on the global dynamics of OWTs - involving the fully-integrated simulation approach - is necessary within the offshore wind research community, industry, and certification authorities.

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