Results 111 to 120 of about 22,306 (230)

Effect of the Shape of Stator Blades on the Performance Output of a Vertical Axis Marine Current Turbine [PDF]

open access: yes, 2013
Due to the diminishing reserves of fossil fuels and increased pollution from exploitation of these fuels, the world is focusing on the renewable energy sources.
Asim, Taimoor   +2 more
core   +1 more source

Variation in Flow Characteristics and Power Performance Due to Axial Distance Optimization in the Design of Counter-Rotating Tidal Turbines

open access: yesEnergies
Counter-rotating turbines, designed to enhance the performance efficiency of tidal turbines, exhibit variable operational characteristics depending on the axial distance between the front and rear blades.
Haechang Jeong, Changjo Yang
doaj   +1 more source

Development of high performance composite bend-twist coupled blades for a horizontal axis tidal turbine

open access: yes, 2009
Development of a design methodology for a composite, bend-twist coupled, tidal turbine blade has been undertaken. Numerical modelling was used to predict the response of the main structural member for the adaptive blade.
Boyd, S.W.   +2 more
core  

Simulation of micro hydro power based on river configuration at river downstream [PDF]

open access: yes, 2013
Micro hydro power convert potential energy of water into electricity and it a clean source. The project present about Simulation of Micro Hydro Power based on river configuration at river downstream.
Siti Nor Suziyana, Dollah
core  

Low Carbon technology in the Distribution Network [PDF]

open access: yes, 2018
Každý rok mají obnovitelné zdroje větší dopad a více pronikají do distrubučních sítí. Tato diplomová práce podrobně popisuje tři nejčastěji využívané obnovitelné zdroje energie v současnosti - solární, větrnou a vodní.
Miljkovic Nikola
core  

Development of a contra-rotating tidal current turbine and analysis of performance [PDF]

open access: yes, 2007
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.   +4 more
core  

Effects of Irregular Bathymetry on the Performance and Wake Characteristics of Tidal Stream Turbines: A Case Study of a Tidal Power Site

open access: yes한국해양공학회지
Tidal energy has emerged as a promising renewable energy source, with abundant marine resources available in many parts of the world. To exploit this resource efficiently, reliable and computationally efficient methods are required to analyze energy ...
Ngome Mwero   +7 more
doaj   +1 more source

Evaluation of Free-Surface Exposure Effects on Tidal Turbine Performance Using CFD

open access: yesJournal of Marine Science and Engineering
Tidal turbines represent a promising renewable energy source, generating power from ocean currents. However, due to tidal range variations, they sometimes become partially exposed to the free surface.
Gyeongseo Min   +8 more
doaj   +1 more source

Influence of fish scale bionic structure on energy performance of a tidal current turbine

open access: yesInternational Marine Energy Journal
The hydrodynamic performance of the tidal current turbine impeller is crucial for converting energy into electricity as it is considered the core component of the tidal current energy capture device.
XINGYU JIA   +5 more
doaj   +1 more source

Unsteady hydrodynamics of full-scale tidal turbines [PDF]

open access: yes, 2018
Due to the lack of full-scale measurements of the flow around tidal turbine blades, it is not clear if unsteadiness in the background flow can induce dynamic stall and the significance of this on the rotor’s performance. To investigate, we develop a model that couples dynamic stall, rotational augmentation and blade element momentum theory with real ...
Scarlett, Gabriel   +3 more
openaire   +1 more source

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