Results 71 to 80 of about 31,556 (230)

Structural Dynamic Response of Offshore Horizontal Axis Wind Turbine Subjected to Wake-Induced Action

Shanghai Jiaotong Daxue xuebao
The study of the dynamic response of a horizontal axis twin wind turbine in tandem arrangement is crucial for ensuring the structural safety of the wind turbine. Based on the computational fluid dynamics (CFD) method, the characteristics of the wake flow
ZHU Yiqing, WU Feng, ZHOU Dai, HAN Zhaolong, ZHUO Yang, ZHU Hongbo, ZHANG Kai
doaj   +1 more source

Impacts of Blade Camber on Cross‐Flow Turbine Performance and Loading

Wind Energy, Volume 29, Issue 5, May 2026.
ABSTRACT Cross‐flow turbines show promise for renewable energy generation from wind and tidal sources. The rotating reference frame of cross‐flow turbine blades results in virtual camber and incidence due to streamline curvature, altering the lift, drag, and pitching moment of the blades. Adding geometric camber is therefore likely to alter performance
Ari Athair, Caelan Consing, Jennifer A. Franck, Owen Williams   +3 more
wiley   +1 more source

Automated Wind Turbine Wake Characterization in Complex Terrain [PDF]

Atmospheric Measurement Techniques, 2019
Abstract. An automated wind turbine wake characterization algorithm has been developed and applied to a dataset of over 19,000 scans measured by scanning Doppler lidar at Perdigão over the period January to June 2017. The algorithm correctly identifies the wake centre position in 62 % of possible wake cases, 46 % having a clear and well-defined wake ...
Rebecca J. Barthelmie, Sara C. Pryor
openaire   +3 more sources

The stability of wakes of floating wind turbines

Physics of Fluids, 2022
Floating offshore wind turbines (FOWTs) are subjected to platform motion induced by wind and wave loads. The oscillatory movement trigger vortex instabilities, modifying the wake structure and influencing the flow reaching downstream wind turbines. In this work, the wake of a FOWT is analyzed by means of numerical simulations and a comparison with ...
V. G. Kleine, L. Franceschini, B. S. Carmo, A. Hanifi, D. S. Henningson   +4 more
openaire   +2 more sources

Unsteady aerodynamics of offshore floating wind turbines using free vortex wake model [PDF]

, 2015
Among the offshore floating wind turbine software packs, the blade element momentum theory (BEM) and generalized dynamic wake (GDW) model are widely used.
Barltrop, Nigel, Qi, Qi
core  

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

, 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 ...
Brown, Brown, Kooiman, Leishman, Paraschivoiu, Scheurich, Scheurich, Scheurich, Toro   +8 more
core   +1 more source

Aerodynamic Characteristics of Airfoils Equipped With Gurney Flaps and Vortex Generators for the Entire Range of Pitch Angles

Wind Energy, Volume 29, Issue 5, May 2026.
ABSTRACT An experimental study of NACA0021 airfoil equipped with vortex generators (VGs) and Gurney flaps (GFs) was conducted to assess the effects of these devices on the aerodynamic airfoil performance, the information that is necessary for studying the self‐starting characteristics of vertical axis wind turbines (VAWTs).
Marin Ivanković, Marvin Jentzsch, Marinos Manolesos, Christian Navid Nayeri, Hrvoje Kozmar   +4 more
wiley   +1 more source

Observations and Analysis of Turbulent Wake of Wind Turbine by Coherent Doppler Lidar

EPJ Web of Conferences, 2016
Turbulent wake of wind turbine will reduce the power output of wind farm. The access to real turbulent wake of wind turbine blades with different spatial and temporal scales is provided by the pulsed Coherent Doppler Lidar (CDL) which operates by ...
Wu Songhua, Yin Jiaping, Li Rongzhong, Wang Xitao, Liu Bingyi, Liu Jintao   +5 more
doaj   +1 more source

Bidirectional wakes over complex terrain using SCADA data and wake models [PDF]

Wind Energy Science
We investigate bidirectional wake effects between two wind turbines of the same type in a hill region in northern Japan using supervisory control and data acquisition (SCADA) data and validate the simulated wakes using 12 wake models. The extent to which
N. Sasanuma, A. Honda, C. Bak, N. Troldborg, M. Gaunaa, M. Nielsen, T. Shimada   +6 more
doaj   +1 more source

Wake characteristics of large-scale wind turbines [PDF]

, 2015
The next generation of large-scale wind turbines will exceed 10 MW of rated power and will reach rotor diameters of about 200 m. Their rotor aerodynamics are also extreme with Reynolds numbers that reach 40 million.
Barakos, GN, Leble, V, Wang, Y, White, M
core