Offshore Wind Turbine Environment, Loads, Simulation, and Design

Fabian Vorpahl, Holger Schwarze, Tim Fischer, Marc Seidel, Jason Jonkman

Research output: Contribution to journalArticlepeer-review

88 Scopus Citations

Abstract

In the design, certification, and optimization of offshore wind turbines, extensive loads simulation is inevitable to develop reliable and cost-effective turbines. Description of the marine environment is based on a variety of techniques taking the stochastic nature of both, the wind and the water waves into account. The wind turbine is a highly dynamic system including effects of heavy rotating machinery and other significant nonlinearities leading to static, cyclic, transient, and stochastic loads. Due to the nature of the external loading, the system properties and the turbine design lifetime, offshore wind turbines are prone to fatigue-driven failure. For loads assessment, aero-hydro-servo-elastic tools are used including the coupled effects of the environment and the turbine to simulate the overall lifetime of the turbine in the harsh marine environment. These tools are constantly further developed and adapted to the needs of a fast-growing industry and newly arising turbine concepts. Engineering approaches to allow for certification and reliable design are summarized in extensive guidelines and standards supporting engineers in daily design work.

Original languageAmerican English
Pages (from-to)548-570
Number of pages23
JournalWiley Interdisciplinary Reviews: Energy and Environment
Volume2
Issue number5
DOIs
StatePublished - 2013

NREL Publication Number

  • NREL/JA-5000-53290

Keywords

  • design
  • loads simulation
  • offshore
  • OWT
  • turbines
  • wind

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