FloVAWT: further progresses on the development of a coupled model of dynamics for floating offshore vawts

Maurizio Collu, Michael Borg, Andrew Shires, Francesco N. Rizzo, Emilio Lupi

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

15 Citations (Scopus)

Abstract

Interest in potential wind farm sites in deeper waters and further offshore has substantially increased recently, and in parallel an increased interest towards floating, rather than bottom-fixed, offshore wind turbines: The Energy Technologies Institute (UK) recently announced a plan to invest £25m in offshore floating wind turbine projects. Furthermore, a recent document by the UK LCICG (Low Carbon Innovation Coordination Group), demonstrated that the "Development and demonstration of new concepts such as floating foundations for water depths >60m", has a value in meeting emissions targets at low cost of up to £13bn. The present article is a follow on with the previous article presented at OMAE 2013 [1], in which the progresses on the development of an aero-hydro-servo-elastic coupled model of dynamics for VAWT are illustrated, called FloVAWT. The further progresses presented consist in: A) the model, in particular the hydrodynamic module, has been now validated against experimental data provided by the DeepCwind project (see OC4) for the semi-submersible support structure configuration, b) the additional velocity component due to the 6 degree-of-freedom motion of the supporting floating structure are now taken into account within the aerodynamic module, while previously only the displacement imposed by the support structure was considered, c) a new module dedicated to the mooring system has been developed and validated, capable of modelling catenary mooring systems with a quasi-static, energy-based approach. Some of the new capabilities of the program are illustrated through a case study of a Darrieus-type VAWT rotor coupled with the OC4 semisubmersible support structure. Comparisons with the previous version of the program are presented, giving an insight on the relative importance of the additional aspects taken into account.

LanguageEnglish
Title of host publicationOcean Renewable Energy
PublisherAmerican Society of Mechanical Engineers(ASME)
Number of pages11
Volume9B
ISBN (Electronic)9780791845547
DOIs
Publication statusPublished - 1 Jan 2014
EventASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2014 - San Francisco, United States
Duration: 8 Jun 201413 Jun 2014

Conference

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

Fingerprint

Mooring
Offshore wind turbines
Degrees of freedom (mechanics)
Wind turbines
Farms
Water
Aerodynamics
Demonstrations
Hydrodynamics
Rotors
Innovation
Carbon
Costs

Keywords

  • wind farm
  • offshore wind turbines
  • floating offshore wind turbines (FOWTs)

Cite this

Collu, M., Borg, M., Shires, A., Rizzo, F. N., & Lupi, E. (2014). FloVAWT: further progresses on the development of a coupled model of dynamics for floating offshore vawts. In Ocean Renewable Energy (Vol. 9B). American Society of Mechanical Engineers(ASME). https://doi.org/10.1115/OMAE2014-24459
Collu, Maurizio ; Borg, Michael ; Shires, Andrew ; Rizzo, Francesco N. ; Lupi, Emilio. / FloVAWT : further progresses on the development of a coupled model of dynamics for floating offshore vawts. Ocean Renewable Energy. Vol. 9B American Society of Mechanical Engineers(ASME), 2014.
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Collu, M, Borg, M, Shires, A, Rizzo, FN & Lupi, E 2014, FloVAWT: further progresses on the development of a coupled model of dynamics for floating offshore vawts. in Ocean Renewable Energy. vol. 9B, American Society of Mechanical Engineers(ASME), ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2014, San Francisco, United States, 8/06/14. https://doi.org/10.1115/OMAE2014-24459

FloVAWT : further progresses on the development of a coupled model of dynamics for floating offshore vawts. / Collu, Maurizio; Borg, Michael; Shires, Andrew; Rizzo, Francesco N.; Lupi, Emilio.

Ocean Renewable Energy. Vol. 9B American Society of Mechanical Engineers(ASME), 2014.

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

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AU - Shires, Andrew

AU - Rizzo, Francesco N.

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Collu M, Borg M, Shires A, Rizzo FN, Lupi E. FloVAWT: further progresses on the development of a coupled model of dynamics for floating offshore vawts. In Ocean Renewable Energy. Vol. 9B. American Society of Mechanical Engineers(ASME). 2014 https://doi.org/10.1115/OMAE2014-24459