A comparison of two coupled model of dynamics for offshore floating vertical axis wind turbines (VAWT)

Michael Borg, Kai Wang, Maurizio Collu, Torgeir Moan

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

13 Citations (Scopus)

Abstract

As part of the deployment of floating offshore wind turbines (FOWTs) in deep sea, robust coupled dynamic design codes based on engineering models are being developed to investigate the behaviour of FOWTs in the offshore environment. The recent re-emerging interest in vertical axis wind turbines (VAWTs) for floating foundation applications has resulted in a number of design codes being developed concurrently by different researchers. In this study, two such design codes for floating VAWTs developed at Cranfield University and the Norwegian University of Science and Technology are compared through a series of increasingly complex simulation load cases. A floating VAWT design was specified to be used in this study. The rotor is based on the Darrieus Troposkein shape and is the same used within the DeepWind VAWT spar concept, with a 5MW rated capacity. The floating support structure is a semi-submersible that is being used in the Offshore Code Collaboration Continuation (OC4) Phase II project for floating horizontal axis wind turbines. A series of load cases were set out to assess and compare the two different design codes. A comparison of the performance of the two design tools is presented, illustrating their level of maturity and areas of improvement.

Original languageEnglish
Title of host publicationOcean Renewable Energy
PublisherAmerican Society of Mechanical Engineers(ASME)
Pages1-10
Number of pages10
Volume9A
ISBN (Electronic)9780791845530
DOIs
Publication statusPublished - 1 Jan 2014
EventASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2014 - San Francisco, United Kingdom
Duration: 8 Jun 201413 Jun 2014

Conference

ConferenceASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2014
CountryUnited Kingdom
CitySan Francisco
Period8/06/1413/06/14

Keywords

  • comparison
  • coupled dynamic design codes
  • FOWT
  • VAWT
  • vertical axis wind turbines

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