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Dynamic Analysis of a Braceless Semisubmersible Offshore Wind Turbine in Operational Conditions

Karimirad, Madjid; Michailidis, Konstantinos
Peer reviewed, Journal article
Published version
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URI
http://hdl.handle.net/11250/2382007
Date
2015
Metadata
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  • Institutt for marin teknikk [3643]
  • Publikasjoner fra CRIStin - NTNU [41954]
Original version
Energy Procedia 2015, 80:21-29   doi:10.1016/j.egypro.2015.11.402
Abstract
The development of cost effective floating type offshore wind turbines has been desired in deep sea areas. Semisubmersible

platform can be considered as a very efficient design configuration among the different type proposed floating platforms. In the

present paper, a preliminary assessment of the dynamic behavior of a 5-MW braceless semisubmersible offshore wind turbine

with three columns and two fully submerged pontoons is presented for selected environmental operational conditions that

correspond to a deep water offshore site with depth 200 m. Hydro-aero-servo-elastic time domain analysis is performed with the

use of the coupled analysis tool Simo-Riflex-AeroDyn in order to calculate the dynamic behavior and response of the offshore

floating wind turbine. Statistical values and spectra of time histories of response quantities are presented. The results demonstrate

the feasibility of the presented deepsea floating wind turbine concept.
Publisher
Elsevier
Journal
Energy Procedia

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