Results 1 to 10 of about 527,241 (142)

Effect of a 2D Hill on the Propagation of Wind Turbine Noise [PDF]

open access: yesAIAA 2022, 2923 (2022), 2022
A good understanding of wind turbine noise propagation is relevant to better measure the impact of turbines on the environment. In this study, we developed numerical simulations to study the impact of a 2D hill on the sound propagation for a turbine in non flat terrain.
arxiv   +1 more source

An Overview on Fault Diagnosis, Prognosis and Resilient Control for Wind Turbine Systems

open access: yesProcesses, 2021
Wind energy is contributing to more and more portions in the world energy market. However, one deterrent to even greater investment in wind energy is the considerable failure rate of turbines.

semanticscholar   +1 more source

Seismic performance analysis of a wind turbine with a monopile foundation affected by sea ice based on a simple numerical method

open access: yesEngineering Applications of Computational Fluid Mechanics, 2021
To investigate the seismic performance of a wind turbine that is influenced by both the ice load and the seismic load, the research proposes a numerical approach for simulating the seismic behavior of a wind turbine on a monopile foundation.
Shuai Huang, Mingming Huang, Y. Lyu
semanticscholar   +1 more source

Sustainable End-of-Life Management of Wind Turbine Blades: Overview of Current and Coming Solutions

open access: yesMaterials, 2021
Various scenarios of end-of-life management of wind turbine blades are reviewed. “Reactive” strategies, designed to deal with already available, ageing turbines, installed in the 2000s, are discussed, among them, maintenance and repair, reuse ...
L. Mishnaevsky
semanticscholar   +1 more source

Performance Analysis of Vertical Axis Wind Turbine Clusters: Effect of Inter-Turbine Spacing and Turbine Rotation [PDF]

open access: yesPhysics of Fluids, 2023, 2023
Wind energy has emerged as a viable alternative to fossil fuels, with vertical axis wind turbines (VAWTs) gaining popularity due to their efficiency and adaptability. Combining the Actuator Line Method (ALM) with Large Eddy Simulation (LES) enables accurate performance evaluations, facilitating the design and optimization of wind turbines.
arxiv   +1 more source

Wind-Turbine and Wind-Farm Flows: A Review

open access: yesBoundary-layer Meteorology, 2019
Wind energy, together with other renewable energy sources, are expected to grow substantially in the coming decades and play a key role in mitigating climate change and achieving energy sustainability. One of the main challenges in optimizing the design,
F. Porté-Agel   +2 more
semanticscholar   +1 more source

Materials for Wind Turbine Blades: An Overview

open access: yesMaterials, 2017
A short overview of composite materials for wind turbine applications is presented here. Requirements toward the wind turbine materials, loads, as well as available materials are reviewed.
L. Mishnaevsky   +5 more
semanticscholar   +1 more source

Performance and wake characteristics of tidal turbines in an infinitely large array [PDF]

open access: yes, 2021
The efficiency of tidal-stream turbines in a large array depends on the balance between negative effects of turbine-wake interactions and positive effects of bypass-flow acceleration due to local blockage, both of which are functions of the layout of turbines.
arxiv   +1 more source

Definition of a 5-MW Reference Wind Turbine for Offshore System Development

open access: yes, 2009
This report describes a three-bladed, upwind, variable-speed, variable blade-pitch-to-feather-controlled multimegawatt wind turbine model developed by NREL to support concept studies aimed at assessing offshore wind technology.
J. Jonkman   +3 more
semanticscholar   +1 more source

Multivariate Gaussian Process Incorporated Predictive Model for Stream Turbine Power Plant [PDF]

open access: yesarXiv, 2021
Steam power turbine-based power plant approximately contributes 90% of the total electricity produced in the United States. Mainly steam turbine consists of multiple types of turbine, boiler, attemperator, reheater, etc. Power is produced through the steam with high pressure and temperature that is conducted by the turbines.
arxiv  

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