Results 1 to 10 of about 7,485,910 (211)

Computational Fluid Dynamics-based Simulation and Design of a Horizontal Tidal Turbine System [PDF]

open access: yesE3S Web of Conferences, 2023
Tidal phenomena, the rhythmic rise and fall of sea waters due to gravitational forces among celestial bodies like the Sun, Earth, and moon, offer a dependable source of renewable energy.
Mohamad Azim Mohd Azmi   +1 more
doaj   +1 more source

Research on an All-Flow Velocity Control Strategy for a 120 kW Variable-Pitch Horizontal Axis Tidal Current Turbine

open access: yesJournal of Marine Science and Engineering, 2022
Horizontal-axis tidal current turbines have considerable potential to harvest renewable energy from ocean tides. The pitch control system is a critical part of variable-pitch tidal turbines.
Bingzhen Wang   +3 more
doaj   +1 more source

Research on the Blade Motion of a Bidirectional Energy-Generating Turbine under Integrated Wave and Tidal Current Action

open access: yesJournal of Marine Science and Engineering, 2021
An integrated wave-tidal current power turbine is affected by both wave and tidal current forces, and its energy efficiency is closely related to the velocity and direction of the two forces.
Yamei Li   +5 more
doaj   +1 more source

Hydrodynamic Analysis of Tidal Current Turbine under Water-Sediment Conditions

open access: yesJournal of Marine Science and Engineering, 2022
The rivers connecting oceans generally carry sediment due to water and soil losses in China. Additionally, the maximum sediment concentration is 300 g/L, which is much higher than that of other countries.
Yanjing Gao   +4 more
doaj   +1 more source

Disturbance rejection controller design based on nonlinear with fuzzy approximation technique for a tidal turbine system

open access: yesJournal of King Saud University: Engineering Sciences, 2023
In this work, a novel disturbance rejection controller based on a nonlinear fractional order proportional integral derivative with fuzzy (NLFOPIDF) approximation and an adaptive law technique for a 160 kW two horizontal axis parts tidal turbine model is ...
Mustafa Wassef Hasan
doaj   +1 more source

Experimental investigation into the improvement of self-starting capability of vertical-axis tidal current turbine

open access: yesEnergy Reports, 2021
Indonesia has a lot of tidal current energy resources that can be harnessed using a vertical-axis turbine. However, one of the disadvantages of the vertical-axis turbine is its low self-starting capability.
Dendy Satrio, I Ketut Aria Pria Utama
doaj   +1 more source

Design methodology of permanent magnet generators for fixed-pitch tidal turbines with overspeed power limitation strategy

open access: yesJournal of Ocean Engineering and Science, 2020
This paper deals with a design methodology of permanent magnets (PM) generators used for fixed-pitch tidal turbines in a marine renewable energy context.
Sofiane Djebarri   +3 more
doaj   +1 more source

Performance evaluation and modelling of the Atir marine current turbine

open access: yesIET Renewable Power Generation, 2021
In this study, the behaviour of a full‐size prototype of a platform for tidal energy was analysed. The turbine of this platform is formed by two counter‐rotating rotors aligned with the tidal current, such that one rotor is always under the wake of the ...
Eloy Díaz‐Dorado   +4 more
doaj   +1 more source

3-D Simulation of Vertical-Axial Tidal Current Turbine

open access: yesPolish Maritime Research, 2016
Vertical-axial tidal current turbine is the key for the energy converter, which has the advantages of simple structure, adaptability to flow and uncomplex convection device. It has become the hot point for research and application recently.
Zhiyang Zhang   +4 more
doaj   +1 more source

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

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