Results 121 to 130 of about 31,556 (230)
Large-Eddy Simulation of Wind-Turbine Wakes: Evaluation of Turbine Parametrisations [PDF]
, 2018 Large-eddy simulation (LES), coupled with a wind-turbine model, is used to investigate the characteristics of a wind-turbine wake in a neutral turbulent boundary-layer flow.
Porté-Agel, Fernando, Wu, Yu-Ting
core
Modelling wind turbine wakes for wind farms
, 2016 The simulation of the wakes behind wind turbines is important in predicting energy yields in wind farms, and so plays a role in planning the layout of these farms. As both wind turbines and farms increase in size, wind farm modellers have faced challenges as previously-held assumptions and parameterisations become inadequate – requiring more detailed ...
Creech, Angus, Früh, Wolf-Gerrit
openaire +1 more source
Wind Tunnel Evaluation of Aerodynamic Loads in FAST.Farm Under Controlled Wake Conditions
Wind EnergyThis study investigates the capability of FAST.Farm, a mid‐fidelity wind farm simulation tool employing the dynamic wake meandering approach, to accurately predict loads on wind turbines in a small wind farm.
Alessandro Fontanella +4 more
doaj +1 more source
Prediction of low frequency and impulsive sound radiation from horizontal axis wind turbines [PDF]
, 1981 Theoretical models to predict the radiation of low frequency and impulsive sound from horizontal axis wind turbines due to three sources: (1) steady blade loads; (2) unsteady blade loads due to operation in a ground shear; (3) unsteady loads felt by the ...
Harris, W. L. +2 more
core +1 more source
Spectral coherence in wind turbine wakes
Journal of Wind Engineering and Industrial Aerodynamics, 1999 Abstract Spectral coherence in the wake of a wind turbine situated in a wind farm has been investigated. Results are presented for lateral coherence at two heights with 5 m separation and vertical coherence at 13 m separation at different downstream stations in the wake. Also presented is the decay of turbulence generated by the wake.
openaire +2 more sources
Simulating wind turbine interactions using the vorticity transport equations [PDF]
, 2009 The aerodynamic interactions that can occur within a wind farm result in the constituent turbines generating a lower power output than would be possible if each of the turbines were operated in isolation.
Brown, R.E., Fletcher, Timothy M.
core
Journal of Marine Science and EngineeringInvestigating the aerodynamic performance and wake characteristics of wind farms under different levels of wake effects is crucial for optimizing wind farm layouts and improving power generation efficiency.
Chen Fu +7 more
doaj +1 more source
Analysis and validation of CFD wind farm models in complex terrain. Effects induced by topography and wind turbines [PDF]
, 2010 Wind farms have been extensively simulated through engineering models for the estimation of wind speed and power deficits inside wind farms. These models were designed initially for a few wind turbines located in flat terrain.
Barthelmie, Rebecca J. +2 more
core
Applicability Evaluation of Wind Turbine Wake Models
南方能源建设[Introduction] The wake effect of wind turbines is an important cause of energy loss in wind farms. The wake study of wind turbines is beneficial to optimization of the turbine arrangement and improvement of the economic efficiency of wind farms. [Method]
Sheng LI +4 more
doaj +1 more source
Effect of Turbulence Intensity on the Induction Factor and Power Efficiency of Wind Turbines
Wind EnergyThis study investigates the effect of turbulence intensity on wind turbine induction factor and power efficiency through its influence on the turbine wake.
Tristan Revaz, Fernando Porté‐Agel
doaj +1 more source