Results 21 to 30 of about 550,087 (272)

Influence of inlet line shape on hydrodynamic performance of tidal energy diffuser

open access: yesXibei Gongye Daxue Xuebao, 2021
The installation of diffuser is an important way to improve the efficiency of tidal turbines, which is promising for engineering practice. In this paper, the open source code OpenFOAM is used as the platform.

doaj   +1 more source

Study of a Bi-Vertical Axis Turbines Farm Using the Actuator Cylinder Method

open access: yesEnergies, 2021
Vertical axis turbines, which extract kinetic energy from currents, can produce electricity independently from a current’s direction. Hence, this type of turbines raises interest for harvesting energy from tidal currents, where flow changes direction ...
Laurie Jégo, Sylvain S. Guillou
doaj   +1 more source

Modelling Tidal Stream Turbines [PDF]

open access: yes, 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
openaire   +2 more sources

Analysis of the optimal deployment location for tidal energy converters in the mesotidal Ria de Vigo (NW Spain) [PDF]

open access: yes, 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

Tidal Turbine Generators

open access: yes, 2020
Recently, tidal stream turbines have become a preferable mode of harvesting tidal energy. The main issue for low utilization of tidal energy is the high levelized cost of energy (LCoE) from tidal stream turbines. A major reason for this is the high operation and maintenance costs for submerged installations.
Wani, F.M. (author)   +2 more
openaire   +5 more sources

Thermal Cycling in Converter IGBT Modules with Different Cooling Systems in Pitch- and Active Stall-Controlled Tidal Turbines

open access: yesEnergies, 2021
This paper compares active and passive cooling systems in tidal turbine power electronic converters. The comparison is based on the lifetime of the IGBT (insulated gate bipolar transistor) power modules, calculated from the accumulated fatigue due to ...
Faisal Wani   +3 more
doaj   +1 more source

Power Extraction Strategy of a Robust kW Range Marine Tidal Turbine Based on Permanent Magnet Synchronous Generators and Passive Rectifiers [PDF]

open access: yes, 2014
This paper presents a kW range marine tidal current power generation system consisting of a fixed pitch marine current turbine (MCT) with two permanent magnet synchronous generators in the turbine shaft, two diode rectifiers (each rectifier is associated
CHARPENTIER, Jean-Frederic   +2 more
core   +2 more sources

Review of tidal turbine wake modelling methods

open access: yesInternational Marine Energy Journal, 2020
Enabling Future Arrays in Tidal (EnFAIT) is an EU Horizon 2020 flagship tidal energy project. It aims to demonstrate the development, operation and decommissioning of the world’s largest tidal array (six turbines), over a five-year period, to prove a ...
Ellen Jump, Alasdair Macleod, Tom Wills
doaj   +1 more source

Potential environmental impact of tidal energy extraction in the Pentland Firth at large spatial scales : results of a biogeochemical model [PDF]

open access: yes, 2016
A model study was carried out of the potential large-scale (> 100 km) effects of marine renewable tidal energy generation in the Pentland Firth, using the 3-D hydrodynamics–biogeochemistry model GETM-ERSEM-BFM.
Greenwood, N   +2 more
core   +3 more sources

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