Results 11 to 20 of about 595,257 (320)

Assessment of Dependency of Unsteady Onset Flow and Resultant Tidal Turbine Fatigue Loads on Measurement Position at a Tidal Site

open access: yesEnergies, 2021
This work determines the variation in the fatigue loading on a tidal turbine at two depth positions and two different locations within a site. Site data were obtained at the European Marine Energy Centre, EMEC, test facility in Scotland, which has been ...
Hannah Mullings, Tim Stallard
doaj   +2 more sources

Structural analysis of a fibre-reinforced composite blade for a 1 MW tidal turbine rotor under degradation of seawater. [PDF]

open access: yesJ Ocean Eng Mar Energy, 2023
This paper presents a structural performance study of a fibre-reinforced composite blade for a 1 MW tidal turbine rotor blade that was designed for a floating tidal turbine device.
Jiang Y   +5 more
europepmc   +2 more sources

Manufacture of High-Performance Tidal Turbine Blades Using Advanced Composite Manufacturing Technologies. [PDF]

open access: yesAppl Compos Mater (Dordr), 2021
After wind and solar energy, tidal energy presents the most prominent opportunity for generating energy from renewable sources. However, due to the harsh environment that tidal turbines are deployed in, a number of design and manufacture challenges are ...
Finnegan W   +5 more
europepmc   +2 more sources

Sheared turbulent flows and wake dynamics of an idled floating tidal turbine. [PDF]

open access: yesNat Commun
Ocean energy extraction is on the rise. While tides are the most predictable amongst marine renewable resources, turbulent and complex flows still challenge reliable tidal stream energy extraction and there is also uncertainty in how devices change the ...
Lieber L   +3 more
europepmc   +2 more sources

Rotor Loading Characteristics of a Full-Scale Tidal Turbine

open access: yesEnergies, 2019
Tidal turbines are subject to highly dynamic mechanical loading through operation in some of the most energetic waters. If these loads cannot be accurately quantified at the design stage, turbine developers run the risk of a major failure, or must choose
Magnus Harrold, Pablo Ouro
doaj   +2 more sources

Using Vortex Generators for Flow Separation Control on Tidal Turbine Profiles and Blades

open access: yesSocial Science Research Network, 2023
Tidal energy can play an important role in the Net Zero transition. Increasing tidal turbine performance through innovation is crucial if the cost of tidal energy is to become competitive compared to other sources of energy.
M. Manolesos   +5 more
semanticscholar   +1 more source

An analytical double-Gaussian wake model of ducted horizontal-axis tidal turbine

open access: yesThe Physics of Fluids, 2023
The wake development of a tidal turbine should be fully considered in the array arrangement. There are many studies on wake characteristics, mainly focusing on a conventional horizontal-axis turbine, while a ducted turbine has attracted little attention.
Xiaodong Liu   +7 more
semanticscholar   +1 more source

Experimental and Computational Fluid Dynamic Study of Water Flow and Submerged Depth Effects on a Tidal Turbine Performance

open access: yesWater, 2023
This study involves an experimental and numerical analysis of the Hunter turbine, a vertical axis turbine utilized for tidal energy. A laboratory model of the Hunter turbine, featuring an aspect ratio of 1.2, was designed and tested. Numerical equations,
Erfan Ghamati   +2 more
semanticscholar   +1 more source

Viability Analysis of Tidal Turbine Installation Using Fuzzy Logic: Case Study and Design Considerations

open access: yesAxioms, 2023
Tidal energy represents a clean and sustainable source of energy generation that can address renewable energy challenges, especially the global challenge of optimizing alternatives for stable supply.
Á. M. Rodríguez-Pérez   +3 more
semanticscholar   +1 more source

Structural performance of composite tidal turbine blades

open access: yesComposite structures, 2021
Tidal turbine blades experience a significant bending moment in the root area during their long-term operation in a sea water environment. This necessitates using fibre reinforced polymer as the blade material to provide the required strength/stiffness ...
H. Gonabadi, A. Oila, A. Yadav, S. Bull
semanticscholar   +1 more source

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