Izvorni znanstveni članak
https://doi.org/10.21278/brod77416
Coupled aero-hydro-servo-mooring dynamic responses of a semi-submersible floating offshore wind turbine subjected to wind, wave and current loading
Ze Yan
; School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212100, China
Renwei Ji
; School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212100, China
*
Renqing Zhu
; School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212100, China
Ho-Seong Yang
; Center for Offshore Wind and Green Hydrogen Ammonia Research, Korea Maritime and Ocean University, Busan, 49112, Republic of Korea
Ke Sun
; School of New Energy, North China Electric Power University, Beijing, 102206, China
Jianhua Zhang
; College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, China
Minwei Yin
; School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212100, China
Ratthakrit Reabroy
; Faculty of International Maritime Studies, Kasetsart University, Chonburi, 20230, Thailand
Surasak Phoemsapthawee
; Faculty of International Maritime Studies, Kasetsart University, Chonburi, 20230, Thailand
* Dopisni autor.
Sažetak
To investigate the dynamic response of a semi-submersible floating offshore wind turbine (FOWT) under combined wind, wave, and current conditions, an integrated multi-physics time-domain dynamic model was developed based on blade element momentum (BEM) theory and potential flow theory. This study investigates aerodynamic performance, platform motions, and mooring tension characteristics under different environmental conditions, revealing the influence mechanisms of these factors on the FOWT system. Research indicates that wave loads dominate dynamic oscillations. The heave response increases to 4.35 times its original value near resonance with the natural period, while exhibiting weak coupling with aerodynamic performance. Increasing wave height induces nonlinear growth in platform responses, with peak surge displacement doubling and pitch motion increasing by 53.6 %. This intensification of second-order slow-drift excitation further raises rotor thrust fluctuations by 28.2 %. Wind loads primarily determine steady-state platform attitudes and power production, with rated wind speed producing the largest mean offsets and stronger aerodynamic load fluctuations. Ocean currents primarily induce static equilibrium shifts, increasing the mean platform offset by 12.9 %. However, the influence of current velocity on dynamic response amplitudes and aerodynamic performance is less than 1 %.
Ključne riječi
Wind-wave-current; floating offshore wind turbine; semi-submersible platform; fully coupled simulation; continuous wavelet transform
Hrčak ID:
351222
URI
Datum izdavanja:
1.10.2026.
Posjeta: 0 *