Results 11 to 20 of about 825,624 (284)

Aerodynamics of wind turbines [PDF]

open access: yes, 2011
PhDThe study of rotor blade aerodynamic performances of wind tur- bine has been presented in this thesis. This study was focused on aero- dynamic effects changed by blade surface distribution as well as grid solution along the airfoil.
Horikiri, Kana
core   +5 more sources

Modelling the aerodynamics of vertical-axis wind turbines in unsteady wind conditions [PDF]

open access: yes, 2013
Most numerical and experimental studies of the performance of vertical-axis wind turbines have been conducted with the rotors in steady, and thus somewhat artificial, wind conditions - with the result that turbine aerodynamics, under varying wind ...
Scheurich, Frank, Brown, Richard
core   +4 more sources

Control based power smoothing for aggregated vertical axis wind turbines [PDF]

open access: yes, 2012
Recently there has been renewed interest in the potential of vertical axis wind turbines (VAWTs), particularly, at very large scale of 10 MW or above owing to their structural simplicity.
Leithead, William   +2 more
core   +3 more sources

The influence of Blade Chord on the Aerodynamics and Performance of Vertical Axis Wind Turbines [PDF]

open access: yes, 2013
The climate change due to emissions from the combustion of fossil fuel to meet the ever increasing energy demands of the growing world population has roused the attention of governments and individuals to protect the environment.
Eboibi, Okeoghene
core   +6 more sources

Condition monitoring of wind turbines based on analysis of temperature-related parameters in supervisory control and data acquisition data

open access: yesMeasurement + Control, 2020
In order to conduct a further in-depth exploration of the role of temperature-related parameters in the condition monitoring of wind turbines, this paper proposes a method to assess the condition of wind turbines by analyzing the supervisory control and ...
Xian Wang   +3 more
doaj   +1 more source

The Long-Term Impact of Wind Power Generation on a Local Community: Economics Analysis of Subjective Well-Being Data in Chōshi City

open access: yesEnergies, 2021
In this study, we analyzed the external effects of wind turbines, which are often considered detrimental to the promotion of wind power generation. Understanding these externalities is essential to reaching a consensus with residents who live near the ...
Yushi Kunugi   +2 more
doaj   +1 more source

Extracting Feature Information and its Visualization Based on the Characteristic Defect Octave Frequencies in a Rolling Element Bearing

open access: yesData Science Journal, 2007
Monitoring the condition of rolling element bearings and defect diagnosis has received considerable attention for many years because the majority of problems in rotating machines are caused by defective bearings.
Jianyu Lei, Mingfu Liao
doaj   +1 more source

Wind direction estimation using SCADA data with consensus-based optimization [PDF]

open access: yesWind Energy Science, 2019
Wind turbines in a wind farm typically operate individually to maximize their own performance and do not take into account information from nearby turbines.
J. Annoni   +9 more
doaj   +1 more source

System-wide inertial response from fixed speed and variable speed wind turbines [PDF]

open access: yes, 2011
IEEE PES 2011 General Meeting, Detroit, Michigan, USA, July 24-28, 2011As wind penetration levels on power systems increase worldwide, the dynamic characteristics of these systems are changing due to the displacement of synchronous generation. One issue,
Lisa Ruttledge   +3 more
core   +1 more source

Drivetrain availability in offshore wind turbines [PDF]

open access: yes, 2014
As part of the drive train and generator track this paper will present the results of a comparative study on the availability of offshore wind turbine drive train types. Twelve different drive train types will be compared.
Julian Feuchtwang   +7 more
core   +3 more sources

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