Offshore floating vertical axis wind turbines: advantages, disadvantages, and dynamics modelling state of the art

Michael Borg, M. Collu, F. P. Brennan

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

16 Citations (Scopus)

Abstract

The desire for more cost-effective wind farms has pushed for offshore projects to move further offshore and into deeper water depths: i.e. higher wind resources per unit area, ability to exploit new, wider sites (in particular for those countries with a limited shallow continental shelf), and partial/total elimination of visual impact. As fixed support structures become not economically viable in deeper waters, a transition to floating support structures is required. In this paper, the advantages and disadvantages of using vertical axis wind turbines (VAWTs) instead of horizontal axis wind turbines (HAWTs) on floating support structures are discussed. In recent years, a number of dynamics mathematical models only for floating HAWTs and their numerical implementation have been developed: research on floating VAWTs is just starting. In the present work, the dynamics of a floating VAWT system are illustrated and modelling approaches are discussed. These include aerodynamics, hydrodynamics, mooring line dynamics, structural dynamics and control system dynamics.

Original languageEnglish
Title of host publicationRINA, Royal Institution of Naval Architects - International Conference on Marine and Offshore Renewable Energy 2012
PublisherRoyal Institution of Naval Architects
Pages33-46
Number of pages14
ISBN (Print)9781909024045
Publication statusPublished - 1 Dec 2012
EventInternational Conference on Marine and Offshore Renewable Energy 2012 - London, United Kingdom
Duration: 26 Sep 201227 Sep 2012

Conference

ConferenceInternational Conference on Marine and Offshore Renewable Energy 2012
CountryUnited Kingdom
CityLondon
Period26/09/1227/09/12

Keywords

  • renewable energy
  • offshore wind turbines
  • vertical axis wind turbine

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