... adaptable to water depth, however, suffers larger seakeeping motions in waves. In order to improve the seakeeping performance of the barge foundation for offshore wind turbines, the present work proposes a concept of Air-cushion Supported Floating Platform (ASFP), and integrates the air cushion into barge...

... ABSTRACT Based on the CFD-CSD (Computational Fluid Dynamics-Computational Structure Dynamics) coupled model, the antiliquefaction effect of stone layers on liquefiable seabed is studied. Under the extreme waves, the dynamic response of the seabed around the wind turbine in the Xiangshui area...

... ABSTRACT Currently, the development of renewable energy has become a trend with the increasing demand for energy. Wind energy, as a renewable source of energy, is also getting more attention. Increasing effort is devoted to developing floating offshore wind turbines in deep water...

... ABSTRACT Wind turbine, an efficient way to sustainably generate electricity, of which the noise problem would affect the living environment adversely. This paper presents the results of the aerodynamic and aero-acoustic calculation of a vertical axis wind turbine. The IDDES technique and FW-H...

... the performance and stability at any point in the control region. Also, the additional motions induced by wind and waves are considered. Finally, the new controller is tested by a simulator in MATLAB/Simulink, and the model combining "NREL offshore 5-MW baseline wind turbine" with "OC3-Hywind platform" is chosen...

... Abstract In Froude-scaled model tests of floating wind turbines, if the Reynolds number is higher than the critical Reynolds number, the scale effect can be neglected. In this paper, seven scale factors (1:100, 1:50, 1:30, 1:20, 1:15, 1:10 and 1:3) were used to calculate the rotor thrust...

... Abstract With the development of the offshore wind turbine technology, the offshore wind turbine is going to deeper waters, and the scale of the offshore wind turbine is becoming larger, in which case the numerical computation of aerodynamic performances of large-scale floating offshore wind...

... Abstract In this paper, three typical floating offshore wind turbines (FOWTs) were studied, with the generic 5MW wind turbine. The dynamic responses of three FOWTs are calculated in both frequency and time domain in operational and survival case under the same environmental conditions. During...

... Abstract Floating wind turbines are subjected to combined aerodynamic and hydrodynamic loads varying both in time and in amplitude. In this study a multi-column tension-leg-type floating wind turbine (WindStar TLP system) is investigated for its global performance under normal operating...

... loads on a floating body in rough sea conditions. The third method is a potential flow based numerical model, in which hydrodynamic loads on the floater are solved by the potential flow theory, the mooring lines by the catenary theory, and the aerodynamic loads on the wind turbine by the blade element...

... ABSTRACT: Global performance of an array of floating wind turbine structures is investigated through numerical analysis by using 9-node higher-order boundary element method. Multi-body hydrodynamic interaction between floating wind turbine structures is considered based on generalized mode...

... ABSTRACT : A box-type floating structure is considered for a candidate of floating wind turbine structures. The platform is consisted of a box structure and large damping plates for enhancing global performance characteristics. Numerical analysis is conducted by using higher-order boundary...

...Time Domain and Frequency Domain Characterization of Floating Offshore Wind Turbine Wei Shi Department of Mechanical Engineering, Pohang University of Science and Technology Pohang, Kyungbuk, Korea Hyun-chul Park, Chin-wha Chung Graduate School of Wind Energy, Pohang University of Science...

... Static and Dynamic Analysis Modeling for offshore Wind Turbine Foundation Structures Hongwang Ma and Longzhu Chen School of Naval Architecture, Ocean and Civil Engineering Shanghai JiaoTong University, Shanghai, China ABSTRACT In recent years, offshore wind farm in the world has been rapid...

... noise and to predict the noise map in offshore wind-farm. For the analysis of the flow field around wind turbine blade, the unsteady vortex lattice method is applied, the panel code X-FOIL is used for boundary layer properties of airfoil. The acoustic analogy and semi-empirical method is used...

...Effect of Pitching on Aerodynamic Loads for Floating Wind Turbines Yong-gang Li, Ji-hua Mo, Yan-ping He, Qing He State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University Shanghai, China ABSTRACT When analyzing the aerodynamic loads of floating wind turbines, most professional...

... ABSTRACT: A straight-bladed vertical axis wind turbine with a directed guide vane row has been proposed and tested by the authors, in order to overcome the disadvantages of vertical axis wind turbine. However, field test of the proposed wind turbine has not been carried out so far...

... ABSTRACT: Based on the 5MW offshore wind turbine model developed by National Renewable Energy Laboratory (NREL), two new conceptual offshore wind turbine floating platforms with combined Tension legs- Mooring lines system were proposed in this paper. Taking the coupled dynamic responses...

... ABSTRACT: New results of numerical hydrodynamic analysis of the novel offshore cross-flow vertical axis wind turbine with large floating rotor (WEMU design) are presented. The research goals are to investigate a spatial movement of rotary pontoon in incoming regular and irregular waves as well...

... ABSTRACT: A fully coupled aero-elastic simulation technology is developed with enough sophistication to have the features required to perform loads analyses for a variety of wind turbine configurations. Blade and tower are modeled multiple rigid bodies which are connected beam elements...