Results 1 to 10 of about 11,701 (164)

Concrete Support Structures for Offshore Wind Turbines: Current Status, Challenges, and Future Trends

open access: yesEnergies, 2021
Today’s offshore wind turbine support structures market is largely dominated by steel structures, since steel monopiles account for the vast majority of installations in the last decade and new types of multi-leg steel structures have been developed in ...
Alexandre Mathern   +2 more
doaj   +3 more sources

Investigating Effect of Changing Vegetation Height with Irregular Layout on Reduction of Waves using Flow-3D Numerical Model [PDF]

open access: yesJournal of Hydraulic and Water Engineering, 2023
In this study, the effect of changing vegetation heights with regular arrangement on wave reduction is investigated using numerical model Flow 3D. For this purpose, a model of a channel with a specific dimension is simulated, and the three-layered ...
Seyed A. Ghaherinezhad   +1 more
doaj   +1 more source

Steel Catenary Riser-Seabed Interaction Due to Caspian Sea Environmental Conditions [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2017
This paper investigates the integrated riser/vessel system which is subjected to random waves. Riser pipelines are the main components of the oil and gas offshore platforms.
Abdolrahim Taheri, Reza Siahtiri
doaj   +1 more source

Research on the Dynamic Performance of a Novel Floating Offshore Wind Turbine Considering the Fully-Coupled-Effect of the System

open access: yesJournal of Marine Science and Engineering, 2022
Floating offshore wind turbines (FOWTs) still face many challenges in improving platform stability. A fully submersible FOWT platform with inclined side columns is designed to tackle the current technical bottleneck of the FOWT platform, combining the ...
Hongjian Zhang   +5 more
doaj   +1 more source

Study of the Sound Escape with the Use of an Air Bubble Curtain in Offshore Pile Driving

open access: yesJournal of Marine Science and Engineering, 2021
Underwater noise pollution generated by offshore pile driving has raised serious concerns over the ecological impact on marine life. To comply with the strict governmental regulations on the threshold levels of underwater noise, bubble curtains are ...
Yaxi Peng   +3 more
doaj   +1 more source

Review on Fixed and Floating Offshore Structures. Part I: Types of Platforms with Some Applications

open access: yesJournal of Marine Science and Engineering, 2022
Diverse forms of offshore oil and gas structures are utilized for a wide range of purposes and in varying water depths. They are designed for unique environments and water depths around the world.
Chiemela Victor Amaechi   +4 more
doaj   +1 more source

Dynamic Penetration Process of Torpedo Anchors into Sand Foundation

open access: yesJournal of Marine Science and Engineering, 2022
Torpedo anchors are a new type of anchoring system in deepwater that is much more economical than conventional anchoring methods. The dynamic penetration process is vitally important to the installation of torpedo anchors.
Gang Li   +4 more
doaj   +1 more source

Underwater Noise Emission Due to Offshore Pile Installation: A Review

open access: yesEnergies, 2020
The growing demand for renewable energy supply stimulates a drastic increase in the deployment rate of offshore wind energy. Offshore wind power generators are usually supported by large foundation piles that are driven into the seabed with hydraulic ...
Apostolos Tsouvalas
doaj   +1 more source

Review on Fixed and Floating Offshore Structures. Part II: Sustainable Design Approaches and Project Management

open access: yesJournal of Marine Science and Engineering, 2022
Offshore structures exist in a variety of forms, and they are used for a variety of functions in varied sea depths. These structures are tailored for certain environments and sea depths.
Chiemela Victor Amaechi   +4 more
doaj   +1 more source

Degradation of concrete in marine environment under coupled chloride and sulfate attack: A numerical and experimental study

open access: yesCase Studies in Construction Materials, 2022
The corrosion of offshore reinforced concrete structures under combined chloride and sulfate ions attack is a complex corrosion phenomenon. The purpose of this study is to develop numerical models in conjunction with experimental studies for long-term ...
Dandan Sun   +5 more
doaj   +1 more source

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