Results 151 to 160 of about 322 (180)
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Tidal stream turbine monitoring and fault diagnosis
2023International ...
Amirat, Yassine +5 more
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Reliability of tidal stream turbine blades
2011Tidal stream turbines are a new technology for extracting kinetic energy from tidal currents. A number of different concepts of such devices have been proposed up to now and the most popular of them is a horizontal-axis turbine with propeller-type blades.
Val, D. V., Chernin, L.
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Tidal stream turbine fault-tolerant control
2023International ...
Elbouchikhi, Elhoussin +3 more
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A Review on the Research Progress of the Tidal Stream Turbines
2020 5th International Conference on Mechanical, Control and Computer Engineering (ICMCCE), 2020Tidal current energy is a rich Marine resource. Compared with other energy sources, it is predictable and the flow rate is stable. For horizontal axis tidal turbine, this paper expounds the development of horizontal axis tidal turbine from scientific research institutions at home and abroad, and introduces the “windmill” type, dome type, “hollow ...
Xu Junhui, Yu Tianchen, Jiang Tao
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Non-dimensional scaling of tidal stream turbines
Energy, 2012The impact of local depth-wise velocity profiles on tidal turbine performance is important. Although the use of standard power laws for predicting velocity profiles is common, these laws may underestimate the magnitude of the depth-wise velocity shear and power attenuation.
A. Mason-Jones +9 more
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Unsteady gust response of tidal stream turbines
2014 Oceans - St. John's, 2014This paper investigates the limitations of 2D linear unsteady aerofoil theory for modelling the unsteady gust response of tidal stream turbines. The work is motivated by the fact that accurate unsteady load prediction is required to determine turbine life.
Carl L. Sequeira, Robert J. Miller
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Unsteady Hydrodynamics of Tidal Stream Turbines
2013The unsteady hydrodynamics of tidal stream turbines have been investigated using numerical methods and experiments. Dynamic inflow, which represents the change in backflow induced by the circulation present in the wake due to variations in rotor loading, is the particular focus of this work.
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Numerical Investigation of an Optimised Horizontal Axis Tidal Stream Turbine
Volume 10: Ocean Renewable Energy, 2019Abstract A tidal stream turbine was designed using one of the optimised hydrofoils, whose lift-to-drag ratio at an angle of attack of 5.2 degrees was 4.5% higher than that of the reference hydrofoil. The incompressible Reynolds-averaged Navier Stokes equations in steady state were solved using k-ω (SST) turbulence model for the reference
Sheshtawy, Hassan El +3 more
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On development of practical design tools for tidal stream turbines
2012 Oceans - Yeosu, 2012It is important to customize the tidal stream turbines at given environmental conditions and demand powers. In order to design turbine rotors effectively, the dedicated software was composed of standard design module and customized module as practical turbine design tools and was constructed by a framework using Visual C++ Library.
B. S. Hyun +8 more
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2021
With the increasing threats of climate change, there is an ever-pressing need to reduce fossil fuel emissions. Thus, recent years have seen a dramatic increase in the development of marine renewable energy (MRE) devices – in particular tidal stream turbines (TSTs) – to exploit tidal stream environments (TSEs) for green electricity generation.
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With the increasing threats of climate change, there is an ever-pressing need to reduce fossil fuel emissions. Thus, recent years have seen a dramatic increase in the development of marine renewable energy (MRE) devices – in particular tidal stream turbines (TSTs) – to exploit tidal stream environments (TSEs) for green electricity generation.
openaire +2 more sources