Results 61 to 70 of about 32,752 (359)

Experimental Research for Stabilizing Offshore Floating Wind Turbines

Energies, 2019
Floating turbines are attracting increasing interest today. However, the power generation efficiency of a floating turbine is highly dependent on its motion stability in sea water.
Wenxian Yang, Wenye Tian, Ole Hvalbye, Zhike Peng, Kexiang Wei, Xinliang Tian   +5 more
doaj   +1 more source

Application of adaptive fuzzy control to suppression vibration response of floating offshore wind turbine

Xibei Gongye Daxue Xuebao, 2021
Floating offshore wind turbine is a complex rigid-flexible coupling nonlinear system, and the accurate dynamic model is difficultly established. Therefore, the wind-wave interference cannot be improved by adopting the conventional control strategy.

doaj   +1 more source

Investigation of the effects of the platform motion on the aerodynamics of a floating offshore wind turbine [PDF]

, 2015
Along with the flourishing of the wind energy industry, floating offshore wind turbines have aroused much interest among the academia as well as enterprises.
Incecik, Atilla, Liu, Yuanchuan, Wan, Decheng, Xiao, Qing   +3 more
core  

Vertical Azimuth Display simulator for wind-Doppler lidar error assessment [PDF]

, 2017
(c) 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or ...
Gutiérrez Antuñano, Miguel Ángel, Rocadenbosch Burillo, Francisco, Tiana Alsina, Jordi   +2 more
core   +1 more source

Aeroservoelastic stability of a floating wind turbine

Journal of Physics: Conference Series, 2022
Abstract The problem of negative damping undermines the aeroservoelastic stability of floating offshore wind turbines. The negative damping problem is most prevalent around rated wind speed, where the sensitivity of thrust to wind speed is the largest.
Vanelli, T., Rinker, J.; id_orcid 0000-0002-1122-1891, Zalkind, D. S.   +2 more
openaire   +1 more source

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

Advanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb, Zachary T. Kloenne, Samuel R. Rogers, Chi Hang Dominik Kwok, Mark C. Hardy, Michele S. Conroy, David Dye   +6 more
wiley   +1 more source

Experimental validation of parked loads for a floating vertical axis wind turbine: wind–wave basin tests [PDF]

Wind Energy Science
Parked loads are a major design load case for vertical axis wind turbines (VAWTs) because of persistent high loads on the rotor when in standstill conditions.
Md. S. Hossain, D. T. Griffith
doaj   +1 more source

Validation of Danish wind time series from a new global renewable energy atlas for energy system analysis [PDF]

, 2015
We present a new high-resolution global renewable energy atlas ({REatlas}) that can be used to calculate customised hourly time series of wind and solar PV power generation.
Andresen, Gorm Bruun, Greiner, Martin, Søndergaard, Anders Aspegren   +2 more
core   +1 more source

Hydrogen‐Assisted Fracture of Iron‐Based Fe–Ni–Al Alloys

Advanced Engineering Materials, EarlyView.
Principal relations and fracture mechanisms of single‐phase and precipitate‐strengthened Fe–Ni–Al alloys subjected to prior electrochemical hydrogen charging are identified. The mechanisms of hydrogen effect on strength and microhardness are discussed, including hydrogen‐induced increase in microhardness and the role of hydrogen in fracture behavior ...
Nataliya Yadzhak, Olha Zvirko, Rostyslav Leshchak, Hryhoriy Nykyforchyn   +3 more
wiley   +1 more source

Dynamic Analysis of Crane Vessel and Floating Wind Turbine during Temporary Berthing for Offshore On-Site Maintenance Operations

Journal of Marine Science and Engineering
With the increased scale and deployment of floating wind turbines in deep sea environments, jack-up installation vessels are unable to conduct maintenance operations due to limitations in water depth.
Jinkun Shi, Mingfeng Hu, Yifan Zhang, Xiaodong Chen, Sheng Yang, Thiago S. Hallak, Mingsheng Chen   +6 more
doaj   +1 more source