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Publicações
Bagbanci, H., Karmakar, D. e Guedes Soares, C. (2011), “Comparative study on the coupled dynamic analysis of spar type and barge type floating wind turbine”, 1st International Conference on Naval Architecture and Maritime (INT-NAM 2011), 24-25 Outubro, Istanbul, Turquia
A fully coupled dynamic analysis of NREL 5MW spar type and a barge type floating wind turbine is studied and compared. The hydrodynamic behaviour of the floaters are analyzed using a panel method. Hydrodynamic added mass, damping and exiting force are obtained in frequency domain and are validated with the available results. The hydrodynamic study of the floater is combined with and aerodynamic model to obtain a coupled aero-servo-hydro-elastic model. The spar type floating wind turbine is considered to be connected with delta connection having three mooring lines whereas the barge type floating wind turbine is connected with eight mooring lines. The turbine design variables used in the analysis are the hub height of 90 m above the mean sea level, rotor diameter of 126 m and maximum rotor speed of 12.1 rpm. The tower base motions and platform motions are obtained for various values of wind speed with 4m wave height and 0º wave heading angle.
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