Results 41 to 50 of about 31,364 (231)
Wake Analysis of Wind Turbine Based on Scanning Images from Doppler Lidar
南方能源建设[Objective] To fully explore the data value of lidar in wind turbine wake observation, conduct an in-depth study on the three-dimensional (3D) wake structure and wind speed attenuation characteristics in wake zone, and further provide references for ...
Yanfeng CAI, Fareng YAO, Jiyan WANG
doaj +1 more source
Effect of blade geometry on the aerodynamic loads produced by vertical-axis wind turbines [PDF]
, 2010 Accurate aerodynamic modelling of vertical-axis wind turbines poses a significant challenge. The rotation of the turbine induces large variations in the angle of attack of its blades that can manifest as dynamic stall.
ETI +5 more
core +1 more source
On the Wind Turbine Wake Mathematical Modelling
Energy Procedia, 2018 Abstract The present paper deals with a study on the wind turbine wake mathematical modelling as well as experimental validation by means of wind tunnel experiments. In particular, different wind turbine wake’s equations were implemented and results compared with experimental data.
Brusca, Sebastian +6 more
openaire +2 more sources
A Comparison of Edge Detectors in the Framework of Wake Pattern Modeling for Wind Turbines
International Journal of Prognostics and Health Management, 2015 To monitor wind turbine health, wind farm operators can take advantage of the historical SCADA (supervisory control and data acquisition) data to generate the wake pattern beforehand for each wind turbine, and then decide in real time whether observed ...
Yanjun Yan +2 more
doaj +1 more source
南方能源建设[Objective] The paper takes the NREL-5MW wind turbine as the research object, adopts the control strategy based on the single and combination of the yaw angle(θ) of the upstream wind turbine and the tower height(ΔH) difference of the downstream wind ...
Liuti SHI, Yunhui CHEN, Jiahuang TU
doaj +1 more source
Large eddy simulations of wind turbine wakes in typical complex topographies
Wind Energy, 2021 There is a need to clarify the coupling characteristics of terrain‐induced wind fields and wind turbine‐induced wake in wind farm micrositing. However, research investigating the effect of hill shape on this interaction is lacking.
Zhenqing Liu +2 more
doaj +1 more source
Frontiers in Marine Science, 2022 To understand the interaction wake effects of aligned horizontal-axis wind turbines, a refined and low-cost wake simulation framework is developed by combining the actuator line (AL) with a local dynamic Smagorinsky (LDS) model.
Yuquan Zhang +7 more
doaj +1 more source
Simulating the aerodynamic performance and wake dynamics of a vertical-axis wind turbine [PDF]
, 2011 The accurate prediction of the aerodynamics and performance of vertical-axis wind turbines is essential if their design is to be improved but poses a signifi cant challenge to numerical simulation tools.
Brown, Richard +2 more
core +1 more source
Wind Resource Evaluation With Atmospheric Stability Across Different Surface Types
Energy Science &Engineering, EarlyView.Wind resource evaluation with atmospheric stability across different surface types. ABSTRACT This study investigates the influence of atmospheric stability on wind resource assessment across various surface conditions, focusing on wind shear and prevailing wind direction as key analytical parameters.
Zejia Hua, Wei Tao, Guanjun Wang
wiley +1 more source
Comparison of Different Driving Modes for the Wind Turbine Wake in Wind Tunnels
Energies, 2020 The wake of upstream wind turbine is known to affect the operation of downstream turbines and the overall efficiency of the wind farm. Wind tunnel experiments provide relevant information for understanding and modeling the wake and its dependency on the ...
Bingzheng Dou +5 more
doaj +1 more source