Results 21 to 30 of about 361 (178)
Modelling Tidal Stream Turbines [PDF]
, 2015 This book provides insights on a broad spectrum of renewable and sustainable energy technologies from the world’s leading experts. It highlights the latest achievements in policy, research and applications, keeping readers up-to-date on progress in this rapidly advancing field.
Frost, Carwyn +4 more
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Improving tidal turbine array performance through the optimisation of layout and yaw angles
International Marine Energy Journal, 2022 Tidal stream currents change in magnitude and direction during flood and ebb tides. Setting the most appropriate yaw angles for a tidal turbine is not only important to account for the performance of a single turbine, but can also be significant for the
Can Zhang +5 more
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Energies, 2023 The next stage of development of the tidal stream industry will see a focus on the deployment of tidal turbines in arrays of increasing device numbers and rated power.
Hannah Mullings +8 more
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Assessment of arrays of in-stream tidal turbines in the Bay of Fundy [PDF]
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2013 Theories of in-stream turbines are adapted to analyse the potential electricity generation and impact of turbine arrays deployed in Minas Passage, Bay of Fundy. Linear momentum actuator disc theory (LMADT) is combined with a theory that calculates the flux through the passage to determine both the turbine power and the impact of rows of turbine fences.
Richard, Karsten +2 more
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Journal of Marine Science and Engineering, 2023 To ensure the long-term reliability of tidal stream turbines, waves and currents must be considered during the design phase. In this paper, a three-bladed horizontal axis turbine with a diameter of 0.9 m was used as the baseline model.
Bohan Liu, Sunho Park
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Turbulence and Wake Effects in Tidal Stream Turbine Arrays [PDF]
Volume 10: Ocean Renewable Energy, 2018 Electricity generation from tidal current can provide a reliable and predictable addition to a reduced carbon energy sector in the future. Following the deployment of the first multi-turbine array, significant cost reduction can be achieved by moving beyond demonstrator projects to large scale tidal turbine arrays.
Nuernberg, Martin, Tao, Longbin
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Tidal Energy: The benthic effects of an operational tidal stream turbine
Marine Environmental Research, 2017 The effect of modified flow on epifaunal boulder reef communities adjacent to the SeaGen, the world's first grid-compliant tidal stream turbine, were assessed. The wake of the SeaGen was modelled and the outputs were used in conjunction with positional and substrate descriptor variables, to relate variation in epifaunal community structure to the ...
J.P.J. O'Carroll +3 more
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Performance of Pitch and Stall Regulated Tidal Stream Turbines [PDF]
IEEE Transactions on Sustainable Energy, 2014 Controllers for a pitch and a stall regulated horizontal axial flow, variable-speed tidal stream turbine are developed, and a performance comparison is carried out. Below rated flow speed, both turbines are operated in variable-speed mode so that the optimum tip-speed ratio is maintained. One of the turbines has variable pitch blades, which above rated
Whitby, Benjamin +1 more
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Energies, 2013 Tidal stream speeds in straits are accelerated because of geographic and bathymetric features. For instance, narrow channels and shallows can cause high tidal stream energy.
Ming-Hsi Hsu, Wei-Bo Chen, Wen-Cheng Liu
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Analysis of the kinetic energy recovery behind a tidal stream turbine for various submergence levels
International Marine Energy Journal, 2022 Tidal turbines are commonly deployed at sea sites with water depths of up to 50 m to ease their deployment and quick maintenance operations. In these relatively shallow water depth conditions, the vertical expansion of tidal stream turbine wakes is ...
Pablo Ouro +2 more
doaj +1 more source