Results 11 to 20 of about 3,702,210 (399)

Wind Waves [PDF]

open access: yesNew Frontiers in Operational Oceanography, 2018
Wind-generated waves dominate sea surface motions for periods shorter than 300 seconds. Waves are of interest for many applications ranging from navigation safety to ocean and coastal engineering.
Fabrice Ardhuin, Alejandro Orfila
semanticscholar   +3 more sources

Accelerating the energy transition towards photovoltaic and wind in China

open access: yesNature, 2023
To meet China’s goal of carbon neutrality by 2060, substantial investment in upgrading power systems needs to be made to optimize the deployment of new photovoltaic and wind power plants.
Yijing Wang   +18 more
semanticscholar   +1 more source

Wind farm flow control: prospects and challenges

open access: yesWind Energy Science, 2022
. Wind farm control has been a topic of research for more than two decades. It has been identified as a core component of grand challenges in wind energy science to support accelerated wind energy deployment and to transition to a clean and sustainable ...
J. Meyers   +7 more
semanticscholar   +1 more source

Wind field reconstruction from nacelle-mounted lidar short-range measurements [PDF]

open access: yesWind Energy Science, 2017
Profiling nacelle lidars probe the wind at several heights and several distances upstream of the rotor. The development of such lidar systems is relatively recent, and it is still unclear how to condense the lidar raw measurements into useful wind ...
A. Borraccino   +3 more
doaj   +1 more source

Methodology to predict stiffness knock-down in laminates for wind turbine blades with artificial wrinkles [PDF]

open access: yesWind Energy Science, 2022
This work presents a methodology to evaluate the effect of wrinkle defects in the stiffness response of laminate characteristic of wind turbine blades.
H. G. Mendonça   +7 more
doaj   +1 more source

Generalized local fractions – a method for the calculation of sensitivities to emissions from multiple sources for chemically active species, illustrated using the EMEP MSC-W model (rv5.5) [PDF]

open access: yesGeoscientific Model Development
This paper presents an extension of the original Local Fraction methodology to allow the tracking of the sensitivity of chemically active air pollutants to emission sources.
P. Wind, P. Wind, W. van Caspel
doaj   +1 more source

Numerical Study of the Flow Characteristics of Downburst-like Wind over the 3D Hill Using Different Turbulence Models

open access: yesApplied Sciences, 2023
With the rapid development of computational fluid dynamics (CFD) technology, it has been widely used to study the wind field characteristics of downbursts in mountainous areas.
Bowen Yan   +7 more
doaj   +1 more source

A Reference Open-Source Controller for Fixed and Floating Offshore Wind Turbines

open access: yesWind Energy Science, 2021
. This paper describes the development of a new reference controller framework for fixed and floating offshore wind turbines that greatly facilitates controller tuning and represents standard industry practices.
N. Abbas, D. Zalkind, L. Pao, A. Wright
semanticscholar   +1 more source

‘Wind, Wind, Wind, Always Winding Am I’: Dickens’s Metafictional Clockwork

open access: yesThe Review of English Studies, 2022
Abstract This article considers the importance of timepieces and clockwork to Dickens’s conception of composition. Whilst the many clocks and watches that saturate his writing have often been read as indicative of an interest in time, the present study considers what the materiality of timepieces—namely, their markets and mechanisms ...
openaire   +1 more source

Performance of superconducting generators with different topologies under fault conditions

open access: yesThe Journal of Engineering, 2019
This paper compares the short-circuit performance of superconducting (SC) generators with three different topologies, i.e. iron-cored stator and rotor, iron-cored stator and air-cored rotor, and air-cored stator and rotor.
Yang Guan   +6 more
doaj   +1 more source

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