An experimental study of the effect of mooring systems on the dynamics of a SPAR buoy-type floating offshore wind turbine

International Journal of Naval Architecture and Ocean Engineering

Ho-Hwan Chun¹  Seong Hyeon Park¹  Cheolmin Lee¹  Sinpyo Hong²  Inwon Lee²  Hee Chang Lim³ 

[1] Department of Naval Architecture and Ocean Engineering, Pusan National University, Busan, Korea;Global Core Research Center for Ships and Offshore Plants, Pusan National University, Busan, Korea;School of Mechanical Engineering, Pusan National University, Busan, Korea;

关键词: SPAR buoy;    Floating offshore wind turbine;    Scale model experiment;    Mooring cable tension;   

DOI  :  10.1515/ijnaoe-2015-0040

来源: DOAJ

【 摘 要 】

An experimental study of the effect of mooring systems on the dynamics of a SPAR buoy-type floating offshore wind turbine is presented. The effects of the Center of Gravity (COG), mooring line spring constant, and fair-lead location on the turbine’s motion in response to regular waves are investigated. Experimental results show that for a typical mooring system of a SPAR buoy-type Floating Offshore Wind Turbine (FOWT), the effect of mooring systems on the dynamics of the turbine can be considered negligible. However, the pitch decreases notably as the COG increases. The COG and spring constant of the mooring line have a negligible effect on the fairlead displacement. Numerical simulation and sensitivity analysis show that the wind turbine motion and its sensitivity to changes in the mooring system and COG are very large near resonant frequencies. The test results can be used to validate numerical simulation tools for FOWTs.

【 授权许可】

Unknown