Results 31 to 40 of about 22,660 (232)

New Concept for Assessment of Tidal Current Energy in Jiangsu Coast, China

open access: yesAdvances in Mechanical Engineering, 2013
Tidal current energy has attracted more and more attentions of coastal engineers in recent years, mainly due to its advantages of low environmental impact, long-term predictability, and large energy potential.
Ji-Sheng Zhang   +4 more
doaj   +1 more source

Assessment of pulsating torque mitigation control strategy through tidal turbine emulation

open access: yesThe Journal of Engineering, 2019
This article presents the modelling and assessment of a pulsating torque mitigation control strategy by using a tidal turbine emulator in a laboratory environment.
Marios Charilaos Sousounis   +2 more
doaj   +1 more source

Design and testing of a contra-rotating tidal current turbine [PDF]

open access: yes, 2005
A contra-rotating marine current turbine has a number of attractive features: nearzero reactive torque on the support structure, near-zero swirl in the wake, and high relative inter-rotor rotational speeds.
Clarke, J. A.   +3 more
core   +4 more sources

Hydrodynamic Impacts of a Marine Renewable Energy Installation on the Benthic Boundary Layer in a Tidal Channel [PDF]

open access: yes, 2017
Peer reviewedPublisher ...
Fraser, Shaun   +3 more
core   +1 more source

Numerical simulations of biofouling effects on the tidal turbine hydrodynamic

open access: yesInternational Marine Energy Journal, 2018
Biofouling by benthic organisms must be considered for tidal turbine operation and maintenance because it modifies hydrodynamics (drag and resistance) and could be detrimental to the turbine performance.
A. Rivier   +3 more
doaj   +1 more source

Turbine sound may influence the metamorphosis behaviour of estuarine crab megalopae. [PDF]

open access: yesPLoS ONE, 2012
It is now widely accepted that a shift towards renewable energy production is needed in order to avoid further anthropogenically induced climate change. The ocean provides a largely untapped source of renewable energy.
Matthew K Pine   +2 more
doaj   +1 more source

Two-scale momentum theory for very large wind farms [PDF]

open access: yes, 2016
A new theoretical approach is proposed to predict a practical upper limit to the efficiency of a very large wind farm. The new theory suggests that the efficiency of ideal turbines in an ideal very large wind farm depends primarily on a non-dimensional ...
Nishino, Takafumi
core   +2 more sources

Hydrodynamic Performance Analysis on Different Airfoils of Straight Blade H Type of Vertical Axis Tidal Current Energy Turbine

open access: yesMATEC Web of Conferences, 2016
Airfoil is a key factor that influences the hydrodynamic performance of vertical axis tidal current energy turbine. In order to explore the influences from the runner’s blade airfoil towards its hydrodynamic performance, three-dimensional unsteady flow ...
Kan Kan   +5 more
doaj   +1 more source

Lifetime Analysis of IGBT Power Modules in Passively Cooled Tidal Turbine Converters

open access: yesEnergies, 2020
Thermal cycling is one of the major reasons for failure in power electronic converters. For submerged tidal turbine converters investigating this failure mode is critical in improving the reliability, and minimizing the cost of energy from tidal turbines.
Faisal Wani   +6 more
doaj   +1 more source

Harnessing Tidal Energy Using Vertical Axis Tidal Turbine

open access: yesResearch Journal of Applied Sciences, Engineering and Technology, 2013
An overview of the current design practices in the field of Renewable Energy (RE) is presented; also paper delineates the background to the development of unique and novel techniques for power generation using the kinetic energy of tidal streams and other marine currents. Also this study focuses only on vertical axis tidal turbine. Tidal stream devices
Syed Shah Khalid   +2 more
openaire   +1 more source

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