Results 21 to 30 of about 7,510 (259)

Fatigue Testing of Support Structure for Offshore Wind Turbine

open access: yes南方能源建设, 2020
[Introduction] In view of the fatigue problem of support structure for offshore wind turbine, fatigue performance of transition piece with external stiffening ring was studied.
LI Hengjun   +4 more
doaj   +1 more source

Structural Modeling and Failure Assessment of Spar-Type Substructure for 5 MW Floating Offshore Wind Turbine under Extreme Conditions in the East Sea

open access: yesEnergies, 2021
Not only the driving for offshore wind energy capacity of 12 GW by Korea’s Renewable Energy 2030 plan but also the need for the rejuvenation of existing world-class shipbuilders’ infrastructures is drawing much attention to offshore wind energy in Korea,
Kwangtae Ha   +3 more
doaj   +1 more source

Improving Structural Safety of L-Type Flange Joint for Wind Towers

open access: yesEnergies, 2022
This paper focuses on the design modification of L-type flange joint geometry in wind towers, aiming to enhance its structural safety. For this aim, current design issues of existing flange joints are discussed.
Thanh-Tuan Tran   +2 more
doaj   +1 more source

Reduction of Stress Concentration Factor (SCF) on the Bolted Joint Connection for a Large Wind Turbine Rotor Blade through Various Design Modifications

open access: yesApplied Sciences, 2020
The importance of a reliable blade root connection has grown due to the higher-gravity-induced edgewise loads on the blade root that resulted from the recent increased size and weight of a wind turbine rotor blade.
Kwangtae Ha
doaj   +1 more source

SPOWTT: Improving the safety and productivity of offshore wind technician transit

open access: yesWind Energy, 2022
This paper describes the SPOWTT project. The intention of this project was to understand how sailing by crew transfer vessel (CTVs) to offshore wind farms affects the mental and physical wellbeing of individuals on board.
Fiona Earle   +18 more
doaj   +1 more source

Dynamic Response Analysis of Composite Tether Structure to Airborne Wind Energy System under Impulsive Load

open access: yesApplied Sciences, 2020
The tether structure plays the role of transferring the traction force of an airborne wind energy system (AWES) to the fixed or mobile ground system with less motion and maintains the flying airborne system as a critical component.
Kwangtae Ha
doaj   +1 more source

Exploring the Influence of the Parameters’ Relationship between Reliability and Maintainability for Offshore Wind Farm Engineering

open access: yesEnergies, 2022
The two main research goals of this study are to develop a relationship diagram between the parameters of reliability and maintainability and to investigate the impact of reliability and maintenance on engineering design costs.
I-Hua Chung
doaj   +1 more source

Use of drones in offshore wind farm inspections [PDF]

open access: yesPrzegląd Komunikacyjny, 2022
: With the increase in global investments in offshore wind energy and the rapid implementation of wind technologies in hazardous deep water environments, operational inspection of wind turbines and related infrastructure plays an important role in the ...
Hanna Dzido
doaj   +1 more source

A Simplified Calculation Method for Cyclic Response of Laterally Loaded Piles Based on Strain Wedge Model in Soft Clay

open access: yesJournal of Marine Science and Engineering, 2022
This paper proposed a simplified calculation method to analyze the cyclic response of large-diameter single piles based on the modified strain wedge model.
Xin Liu   +6 more
doaj   +1 more source

Rotary-wing drone-induced flow – comparison of simulations with lidar measurements [PDF]

open access: yesAtmospheric Measurement Techniques
Ultrasonic anemometers mounted on rotary-wing drones have the potential to provide a cost-efficient alternative to the classical meteorological mast-mounted counterpart for atmospheric boundary layer research.
L. Jin   +7 more
doaj   +1 more source

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