Study on Hydrodynamic Performance of a New Type of Spar Floating Wind Turbine in Shallow Water
Due to water depth limitations,the traditional spar type floating wind turbines are not suitable for shallow coastal waters in China,in order to promoting the practical application of floating wind turbines in China,one of new Spar type floating wind turbine is proposed in the shallow water.Targeting different key design parameters,the frequency domain hydrodynamic response are analyzed,the optimal structural key parameters selected based on the results forecasts of short-term.The motion performance of the new shallow draft floating wind turbine are studied under operating and survival sea conditions separately,the fully coupled numerical analysis model of aerodynamics,hydrodynamics,and mooring is established for a floating wind turbine system,the aerodynamic load of a fan system is calculated based on blade element momentum theory,and the hydrodynamics load is solved based on the pretention flow theory.The results indicate that the sway is reduced for new shallow draft Spar type floating wind turbine,motion performance is good,a new Spar floating wind turbine can effectively operate in the shallow water.
Spar floating wind turbine foundation in the shallow watercoupling dynamics analysishydrodynamic performancessurvival sea caseoperation case
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