Conceptual Design of a Floating Support Structure and Mooring System for a Vertical Axis Wind Turbine

Petter Andreas Berthelsen, Ivar Fylling, Luca Vita, Uwe Schmidt Paulsen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

This paper deals with the conceptual design of a floating support structure and mooring system for a 5MW vertical axis offshore wind turbine. The work is carried out as part of the DeepWind project, where the main objective is to investigate the feasibility of a floating vertical axis offshore wind turbine. The DeepWind concept consists of a Darrieus rotor mounted on a spar buoy support structure. The conceptual design is carried out in an iterative process, involving the different subcomponents. The present work is part of the first design iteration and the objective is to find a feasible floating support structure and mooring system for the DeepWind concept. The conceptual design is formulated as an optimization problem: Starting with an initial configuration, the optimization procedure tries to find a cheaper solution while satisfying a set of design requirements. This approach utilizes available response analysis programs for mooring system forces and vessel motions, and combines this with a gradient search method for solution of nonlinear optimization problems with arbitrary constraints. Two different mooring system configurations are considered: Chain systems with 3 and 6 lines, respectively.
Original languageEnglish
Title of host publicationProceedings of the ASME 2012 International Conference on Ocean, Offshore and Arctic Engineering
Number of pages10
PublisherAmerican Society of Mechanical Engineers
Publication date2012
ChapterOMAE2012-83335
Publication statusPublished - 2012
Event31st ASME International Conference on Ocean, Offshore and Arctic Engineering - Rio de Janeiro, Brazil
Duration: 1 Jul 20126 Jul 2012
Conference number: 31
https://www.asmeconferences.org/OMAE2012/

Conference

Conference31st ASME International Conference on Ocean, Offshore and Arctic Engineering
Number31
CountryBrazil
CityRio de Janeiro
Period01/07/201206/07/2012
Internet address

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