Results 21 to 30 of about 167,660 (303)

The parameterisation of turbulence in the marine environment [PDF]

open access: yes, 2016
There are many problems in the fields of flow modelling around structures and tidal stream energy yield analysis which require a thorough understanding of the turbulent and time-averaged flow speeds in marine environments.
Hardisty, Jack, Jennings, Ross
core   +1 more source

Quantifying uncertainty in acoustic measurements of tidal flows using a ‘Virtual’ Doppler Current Profiler [PDF]

open access: yes, 2017
This is the author accepted manuscript. The final version is available from Elsevier via the DOI in this record.Accurate characterisation of flows at tidal sites can enable the developers of tidal stream energy projects to design and model the loads on ...
Alexandre, A   +5 more
core   +1 more source

Comparative Investigations of Tidal Current Velocity Prediction Considering Effect of Multi-Layer Current Velocity

open access: yesEnergies, 2020
Accurate tidal current prediction plays a critical role with increasing utilization of tidal energy. The classical prediction approach of the tidal current velocity adopts the harmonic analysis (HA) method. The performance of the HA approach is not ideal
Bo Feng   +6 more
doaj   +1 more source

In-Stream Tidal Energy Resources in Macrotidal Non-Cohesive Sediment Environments: Effect of Morphodynamic Changes at Two Bays in the Upper Gulf of California

open access: yesJournal of Marine Science and Engineering, 2021
Because of the need to diversify the renewable energy matrix and because hydrokinetic tidal energy technologies are mature, many in-stream tidal energy resource studies are available globally.
Anahí Bermúdez-Romero   +5 more
doaj   +1 more source

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

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

Розробка системи керування опорно-поворотного пристрою на основі крокових двигунів типу ДБМ [PDF]

open access: yes, 2009
As interest in renewable energy sources is steadily on the rise, tidal current energy is receiving more and more attention from politicans, industrialists, and academics.
Grabbe, Mårten   +3 more
core   +2 more sources

Current Status and Possible Future Applications of Marine Current Energy Devices in Malaysia: A Review

open access: yesIEEE Access, 2021
Malaysia has a great potential to harness energy in water due to its long coastline within the South China Sea and the Straits of Malacca. Malaysia’s energy mix could be improved using marine current energy devices (MCEDs) to replace fossil fuel ...
Lim Yee Kai   +7 more
doaj   +1 more source

On Tidal Current Velocity Vector Time Series Prediction: A Comparative Study for a French High Tidal Energy Potential Site

open access: yesJournal of Marine Science and Engineering, 2019
Estimating the energy potential of tidal stream site is a key feature for tidal energy system deployment. This paper aims to compare two methods of prediction of tidal current velocities. The first one is based on the use of a fully three-dimensional (3D)
Tony El Tawil   +3 more
doaj   +1 more source

Re-Creating Waves in Large Currents for Tidal Energy Applications [PDF]

open access: yesEnergies, 2017
Unsteady wave loading on tidal turbines impacts significantly the design, and expected life-time, of turbine blades and other key components. Model-scale testing of tidal turbines in the wave-current environment can provide vital understanding by emulating real-world load cases; however, to reduce uncertainty, it is important to isolate laboratory ...
Samuel Draycott   +4 more
openaire   +3 more sources

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