Response Analysis of a Spar-Type Floating Offshore Wind Turbine Under Atmospheric Icing Conditions

Mahmoud Etemaddar, Martin Otto Laver Hansen, Torgeir Moan

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

One of the challenges for the development of wind energy in offshore cold-climate regions is atmospheric icing. This paper examines the effects of atmospheric icing on power production, overall performance, and extreme loads of a 5-MW spar-type floating offshore wind turbine during power production, normal and emergency rotor shutdown, extreme gusts, and survival conditions. Atmospheric icing is simulated by using the ice accretion simulation code LEWICE. A CFD method is used to estimate the blade aerodynamic degradation due to icing. The effects of icing on one, two, or three blades are compared, as are the effects of atmospheric icing on land-based and offshore wind turbines.
Original languageEnglish
JournalJournal of Ocean and Wind Energy
Volume1
Issue number4
Pages (from-to)193–201
ISSN2310-3604
Publication statusPublished - 2014

Keywords

  • Offshore
  • Floating Wind Turbine
  • Atmospheric icing
  • CFD
  • Extreme loads
  • Aerodynamic degradation

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