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Lookup NU author(s): Professor Zhiqiang Hu
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).
This paper investigates the model test research of a semisubmersible floating wind turbine. An improvedmethod is proposed to correct the deficient thrust force in a Froude-scale experimental condition, whichis able to simulate the rotor operational state more realistically by allowing the rotor to rotate freely withthe wind. This approach also maintains tip speed ratio to some extent and overcomes previouslyreported negative effects produced by common correction ways. Reduced platform resonant motions inthe presence of wind force are observed. Due to rotor rotation, resonant yaw and roll motions areinduced even in heading wind and wave state. Tower vibration is found to be suppressed by the windforce. Multi-frequencies components are observed in the response of tower-top shear force, which isgoverned by the couplings of hydrodynamic loads, aerodynamic loads and tower vibration. It is alsofound that the dynamic response of the mooring line is mainly dominated by wave load and aerodynamiceffect can be simplified as an extra constant force.
Author(s): Li L, Gao Y, Hu Z, Yuan Z, Day S, Li H
Publication type: Article
Publication status: Published
Journal: Renewable Energy
Print publication date: 01/04/2018
Online publication date: 05/12/2017
Acceptance date: 04/12/2017
Date deposited: 08/12/2017
ISSN (print): 0960-1481
ISSN (electronic): 1879-0682
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