Results 91 to 100 of about 89,224 (268)

Research on Pitch Control Strategies of Horizontal Axis Tidal Current Turbine

open access: yes, 2020
Based on blade element momentum theory and generator characteristic test, a dynamic simulation model of 150 kW horizontal-axis tidal current turbine was established.
Bing-zhen Wang   +3 more
semanticscholar   +1 more source

Economic and Technical Assessment of Wind Potential Using SARIMAX Time Series Models: Wind Speed Forecasting and Analysis

open access: yesEnergy Science &Engineering, Volume 14, Issue 2, Page 973-998, February 2026.
The wind energy potential of Khaf was evaluated for 2025 using 15 years of wind data combined with advanced forecasting models, SARIMAX and Prophet. This integrated framework enables precise estimation of wind power density and optimal turbine selection, paving the way for the efficient and sustainable development of wind farms in the region.
Mohammad Amin Valizadeh   +3 more
wiley   +1 more source

Shrouded Wind and Water Turbine Analytical Model Extensions for Tip Gaps, Center Bodies, and Flow Blockage

open access: yesWind Energy, Volume 29, Issue 2, February 2026.
ABSTRACT This paper provides improvements to a previously presented simple, accurate, lower order analytical model for predicting the performance of horizontal‐axis shrouded turbines for a wide range of shroud airfoil shapes varying in length, camber, and thickness. The new, extended model incorporates explicit quantitative predictions of those effects
M. J. Werle
wiley   +1 more source

Investigations on the performances of the electrical generator of a rim-driven marine current turbine” [PDF]

open access: yes, 2014
In this paper, the electrical generator of a rim-driven horizontal-axis current turbine is modeled in detail. Its main characteristics and performances are evaluated (efficiency, mass, cost, etc).
CHARPENTIER, Jean-Frederic   +3 more
core   +1 more source

Ocean Wave Energy Generators and Self‐Powered Wave Sensors Based on Triboelectric Nanogenerators

open access: yesAdvanced Energy and Sustainability Research, Volume 7, Issue 1, January 2026.
The key milestones of ocean wave energy‐driven triboelectric nanogenerators (TENGs) from 2015 to 2024. The development of ocean wave energy‐driven TENGs has undergone multiple stages of evolution, particularly in the design of their outer structures, with the goal of more efficiently utilizing ocean wave motion.
Yunzhong Wang, Youhong Tang
wiley   +1 more source

Output characteristics of tidal current power stations [PDF]

open access: yes, 2004
With increasing targets being set for renewable-derived electricity generation, wind power is currently the preferred technology. It is widely accepted that due to the stochastic nature of wind, there is an upper limit to the capacity that can be ...
Clarke, Joseph Andrew   +2 more
core  

Generator Systems for Marine Current Turbine Applications: A Comparative Study [PDF]

open access: yes, 2014
Emerging technologies for marine current turbines are mainly related to works that have been carried out on wind turbines and ship propellers. It is then obvious that many electric generator topologies could be used for marine current turbines. As in the
BENBOUZID, Mohamed   +2 more
core   +2 more sources

AI‐Driven Optimization Techniques for Power Quality Improvement in Microgrids: Trends, Techniques, and Future Directions

open access: yesEnergy Science &Engineering, Volume 14, Issue 1, Page 583-610, January 2026.
Decentralized energy systems are gaining momentum, and microgrids have become a vital component of the modern power landscape. Yet, maintaining power quality within these systems presents ongoing challenges due to the presence of nonlinear loads, variable renewable energy sources, and frequent switching operations.
Mahnoor Zahid   +5 more
wiley   +1 more source

Study of the Effects of Waves on the Evolution of Scour Under a Tidal Turbine by Two-Phase Numerical Modeling

open access: yesJournal of Marine Science and Engineering
Tidal turbines have emerged as a promising alternative to fossil-fuel-based energy generation, with estuarine environments identified as potential sites for their deployment.
Arbaz Khalid   +2 more
doaj   +1 more source

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