... energy for mankind. Currently, offshore wind power is transitioning from pile-type structures in shallow waters to floating-type structures in deeper seas. In this study, an initial design for the liftable support structure of a high-power floating turbine is proposed based on the relevant IEC fan design...

... structures for offshore wind power generation have been dominated by support structures such as jacket type and monopile foundations that take advantage of shallow coastal waters. However, floating offshore wind turbines (FOWTs), which can be installed regardless of water depth, are gaining more interest...

... on entropy Entropy-TOPSIS method is developed. Two different types of offshore wind turbines, of which one is a semi-submersible floating support structure and the other is a jacket support structure, both with NREL 5MW wind turbine, are taken as examples for case study. The results indicate the validation...

... are conducted. This type of structure consists of a support structure, floater, and connection arm connecting the structures. And PTO (Power Take-Off) device is attached to connection arm and has the role of maintaining a generation efficiency by controlling motions of the floater. As wave-induced force from...

... stiffener integration welding project team support structure tolerance flange design change installation moon pool center hole module stopper Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022...

... of the major design drivers for the wind turbines and their support structures in other areas of the world. This topic is of high importance in offshore markets in the Asian Pacific region like China, Taiwan, Japan, Korea as well as parts of the United States where offshore wind projects are currently...

.... benchmarking performance indicator load case generator power turbine strategic planning and management renewable energy knowledge management support structure mudline rotor speed loading flexcom wind energy steady wind vertical force nrel simulation wave loading rna model fore-aft shear...

... sustainability fowt mooring system support structure reference turbine turbine maintenance operation subsea system social responsibility mechanism operation friction lock availability hourglass interface entrance platform sustainable development renewable energy maintenance bluewind floater...

..., which are affecting the supporting structure and rotor. Structure of offshore wind power installations significantly depends on the sea depth. At relatively shallow depths, stationary structures are usually used. With the increase of sea depth, it becomes more appealing to install wind turbines...

... ABSTRACT Currently the SIA (Sequential Iterated Approach) and its design flow is used in China's offshore wind projects bidding stage. The wind turbine manufacturer usually only submits the tower's design and weight. Therefore, the weight of whole support structure cannot be guaranteed...

... of wind, waves, currents and earthquakes, and the corresponding loads have to be transferred safely to the seabed through the support structure, including the tower, transition piece and foundation, as shown in Fig. 1. Therefore, the support structure must have adequate bearing capacity and displacement...

... planning and execution owt monte carlo simulation reservoir simulation offshore wind turbine renewable energy simulation random variable laplace transform subsea system support structure engineering Vibration Analysis of Monopiled Offshore Wind Turbines with Uncertain Modal Damping Qian-Ying...

... ABSTRACT The paper presents seismic fragility curves and the seismic reliability assessments for a wind turbine support structure. A National Renewable Energy Laboratory (NREL) 5 MW reference wind turbine finite element model is first built by beam and shell elements using ANSYS finite element...

... support structures under seismic conditions. The FAST v7 code that only simulates monopile substructure is chosen as the analysis tool and is further recompiled to include the effect of seismic-pile-soil interaction in the simplified model. The numerical analysis results are then validated by comparing...

... of application. And some more advantages like the more stable and higher wind speed, less visual disturbance and noise promote the rapid development of offshore wind technology. The support structure has been identified as a vital contribution to cost-effective installations (Seidel, 2007). It has been...

... offshore code, where the wave-induced loads are simulated. The fatigue damage of the relevant K-joint in the support structure is afterwards compared to the one obtained in terms of IDA. Apart from the judgement about advantages and disadvantages of both approaches, this work benefits from confirming...

... jack supporting structure shall be operated by sharing the same pressure hydraulic lines. Each group of jacks located at different support point shall be operated by monitoring and controlling both load and stroke of each jack to meet the target values within ±10% deviation. Fig. 2 illustrates...

... for the ultimate strength design. Although the fatigue damage is not the main cause of resulting in the catastrophic failure, its effect on the cost of the maintenance of offshore wind turbine support structures cannot be overlooked. The general understanding of large-scale tubular structure failures after a long...

... stiffness subsea system small deformation upstream oil & gas api p-y-curve wind energy platform design finite element calculation renewable energy monopile foundation kirsch friction angle modification initial stiffness calculation stiffness eigenfrequency support structure pile...

... ABSTRACT 500kW Ocean Energy Isolated Power System demonstration project is one of the first batch of projects funded by the National Marine Renewable Energy Special Fund. The 2 × 50kW gravity base support structure horizontal-axis tidal current energy generation device and the 2 × 100kW...