Design Optimization of a 5 MW Floating Offshore Vertical-axis Wind Turbine

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Abstract

This paper outlines results of a proposed layout of a light 2-bladed rotor, with a driving torque constraint matching the generator design, and shows details of the pultruded blade – and rotor geometry. In comparison with the 1st baseline design of a 5 MW VAWT concept this present development provides during standstill and operation significant less mass with a comparable level of loading strain in the blades and in the junctions between blade and tower. Optimized blade profile having a low weight and high stiffness is obtained according to the design evaluations based on the standstill calculations in ANSYS software. The selected profiles are used in the aero dynamic simulation. Furthermore the simulation code will be demonstrated to show the fully development model, integrating the simulation of turbulent wind inflow, actuator cylinder flow model, power controls, hydraulic floater - and mooring line systems implementation.
Original languageEnglish
JournalEnergy Procedia
Volume35
Pages (from-to)22-32
ISSN1876-6102
DOIs
Publication statusPublished - 2013
Event10th Deep Sea Offshore Wind R & D Conference - Trondheim, Norway
Duration: 24 Jan 201325 Jan 2013
Conference number: 10

Conference

Conference10th Deep Sea Offshore Wind R & D Conference
Number10
CountryNorway
CityTrondheim
Period24/01/201325/01/2013

Keywords

  • vertical axis
  • structural design
  • pultrusion
  • floating offshore wind turbine ;submerged generator ;optimization

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