Results 21 to 30 of about 27,481 (264)
ACTUATOR-LINE CFD MODELLING OF TIDAL-STREAM TURBINES [PDF]
Journal of Ocean Engineering and Marine Energy, 2016 CFD modelling of tidal turbines is described. For computational efficiency rotors are represented by rotating actuator lines and nacelles by partially-blocked cells. The computational implementation includes an arbitrary Lagrangian-Eulerian (ALE) approach to free-surface movement for wave motion.
Apsley, David +2 more
openaire +4 more sources
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
doaj +1 more source
Hydrodynamic loadings on a horizontal axis tidal turbine prototype [PDF]
, 2017 Until recently tidal stream turbine design has been carried out mainly by experimental prototype testing aiming at maximum turbine efficiency. The harsh and highly turbulent environments in which tidal stream turbines operate in poses a design challenge ...
Bromley, Peter +3 more
core +3 more sources
Axioms, 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.
Ángel M. Rodríguez-Pérez +3 more
doaj +1 more source
Using a spatial overlap approach to estimate the risk of collisions between deep diving seabirds and tidal stream turbines : a review of potential methods and approaches [PDF]
, 2013 Peer reviewedPublisher ...
Scott, B E, Waggitt, J J
core +2 more sources
Journal of Marine Science and Engineering, 2023 Commercial development of tidal stream energy is hampered by technical and financial challenges, and impeded by uncertainty about potential environmental effects that drive environmental risk assessments and permitting (consenting) processes.
Andrea E. Copping +4 more
doaj +1 more source
Analysis of the optimal deployment location for tidal energy converters in the mesotidal Ria de Vigo (NW Spain) [PDF]
, 2016 The potential power output expected from the installation of a tidal farm near the mesotidal Ria de Vigo (NW Spain) is assessed using two different tidal stream energy converters (TEC).
Griño Colom, Maria +3 more
core +2 more sources
Energies, 2021 This paper presents a method for the probabilistic evaluation of the failure rates of mechanical components in a typical power take-off (PTO) system of a horizontal-axis tidal stream turbine (HATT).
D. Val, L. Chernin, D. Yurchenko
semanticscholar +1 more source
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
openaire +5 more sources
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
openaire +1 more source