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Offshore wind turbines have been growing rapidly over recent years. They have eclipsed their current slate of reference wind turbines, in terms of their size and utility. Thereby, a new reference offshore wind turbine has been released by the International Energy Agency (IEA). It is 15-MW in power rating with a rotor diameter of 240 m and hub height of 150 m. This innovative turbine is also features a floating semi-submersible support. This model has been implemented using two different codes (OpenFAST, and HAWC2) based on the BEM approach and potential flow theory. Thus, the present study introduces a high-fidelity CFD simulation of the aerodynamic performance of IEA 15-MW offshore floating wind turbine. Moreover, the hydrodynamic responses and stability analysis of UMaine semi-submersible floater based on the viscous flow approach is conducted. The CFD investigation provide valuable insights of the flow interactions between the blade tip vortices and the tower vortex shedding on one hand, and between the blade tip vortices and the rotor wake flow on the other hand. The CFD simulation was carried ou ... 전체 초록 보기
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