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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.
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Mathematical analysis of the turbine coefficient of performance for tidal stream turbines
2015Unregulated water currents such as tides and ocean currents include energy that could be utilized for electricity production. These currents can be seen as dead bodies of water with potential energy, driven by gravity or alive moving with a kinetic energy (KE). Tidal stream turbines are a relatively new technology for extracting KE from tidal currents,
Abdel Aleem, SHE, Zobaa, AF, Ibrahim, AM
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