Results 11 to 20 of about 167 (120)

Design of an Innovative Hybrid Sandwich Protective Device for Offshore Structures

Journal of Marine Science and Engineering, 2022
Lightweight foam sandwich structures have excellent energy absorption capacity, combined with good mechanical properties and low density. The main goal of this study is to test the application of an innovative hybrid sandwich protective device in an ...
Hozhabr Mozafari, Fabio Distefano, Gabriella Epasto, Linxia Gu, Emanoil Linul, Vincenzo Crupi   +5 more
doaj   +1 more source

Damping identification of offshore wind turbines using operational modal analysis: a review [PDF]

Wind Energy Science, 2022
To increase the contribution of offshore wind energy to the global energy mix in an economically sustainable manner, it is required to reduce the costs associated with the production and operation of offshore wind turbines (OWTs).
A. A. W. van Vondelen, S. T. Navalkar, A. Iliopoulos, D. C. van der Hoek, J.-W. van Wingerden   +4 more
doaj   +1 more source

Seismic Analysis of 10 MW Offshore Wind Turbine with Large-Diameter Monopile in Consideration of Seabed Liquefaction

Energies, 2022
With the increasing construction of large-scale wind turbines in seismically active coastal areas, the survivability of these high-rated-power offshore wind turbines (OWTs) in marine and geological conditions becomes extremely important.
Jian Zhang, Guo-Kai Yuan, Songye Zhu, Quan Gu, Shitang Ke, Jinghua Lin   +5 more
doaj   +1 more source

Numerical Analysis of Dynamics of Ship-OWT (Offshore Wind Turbine) Collision

International Journal of Coastal and Offshore Engineering, 2016
Offshore Structures supply vessels during operation are at risk of collision. The ship has random load, including offshore structures resistance is raised. In this paper, under the impact of a wind turbine offshore supply vessel with 5 different mass displacements are analyzed.
Nemati, Hossein, Azarsina, Farhood
openaire   +2 more sources

Seismic Design of Offshore Wind Turbines: Good, Bad and Unknowns

Energies, 2021
Large scale offshore wind farms are relatively new infrastructures and are being deployed in regions prone to earthquakes. Offshore wind farms comprise of both offshore wind turbines (OWTs) and balance of plants (BOP) facilities, such as inter-array and ...
Subhamoy Bhattacharya, Suryakanta Biswal, Muhammed Aleem, Sadra Amani, Athul Prabhakaran, Ganga Prakhya, Domenico Lombardi, Harsh K. Mistry   +7 more
doaj   +1 more source

Numerical study of soil-structure interaction effects on the natural frequency of offshore wind turbines [PDF]

Numerical Methods in Civil Engineering
Offshore wind turbines (OWT) are considered as one the most promising ways of harvesting green energies in the world. OWTs are dynamically sensitive as their loading frequency is close to their natural frequency, allowing a narrow band of frequency to ...
Amin Eslami, Ali Ghorbani
doaj   +1 more source

Integrated condition‐based maintenance modelling and optimisation for offshore wind turbines

Wind Energy, 2021
Maintenance is essential in keeping wind energy assets operating efficiently. With the development of advanced condition monitoring, diagnostics and prognostics, condition‐based maintenance has attracted much attention in the offshore wind industry in ...
Cuong D. Dao, Behzad Kazemtabrizi, Christopher J. Crabtree, Peter J. Tavner   +3 more
doaj   +1 more source

Dynamic analysis of offshore wind turbines subjected to the combined wind and ice loads based on the cohesive element method

Frontiers in Marine Science, 2022
Ice loads are an important and decisive factor for the safe operation of offshore wind turbines (OWTs). In severe environment load cases, it shall lead to prominent ice-induced vibration and ice-induced fatigue failure of OWT structures.
Bin Wang, Bin Wang, Yingzhou Liu, Yingzhou Liu, Jianhua Zhang, Wei Shi, Wei Shi, Xin Li, Xin Li, Ying Li   +9 more
doaj   +1 more source

Damage assessment in wind turbine technology

E3S Web of Conferences, 2017
The economic efficiency of wind turbines WT is strictly dependent on their availability and reliability. This problem is most important in the case of offshore wind turbines OWT.
Ostachowicz Wiesław, Malinowski Paweł H., Soman Rohan, Wandowski Tomasz   +3 more
doaj   +1 more source

Dynamics of Offshore Wind Turbine Foundation: A Critical Review and Future Directions

Journal of Marine Science and Engineering
Offshore wind turbines (OWTs) are being developed with larger capacities for deeper waters, facing complex environmental loads that challenge structural safety. In contrast to onshore turbines, OWT foundations must withstand combined hydrodynamic forces (
Jiaojie Xie, Hao Wang, Xin Cai, Hongjian Zhang, Lei Ren, Maowen Cai, Zhiqiang Xin   +6 more
doaj   +1 more source