Journal ArticleDOI
Experimental investigation of wake effects on wind turbine performance
TLDR
In this paper, the wake interference effect on the performance of a downstream wind turbine was investigated experimentally and the effects of these parameters on the total power output from the turbines were also estimated.About:
This article is published in Renewable Energy.The article was published on 2011-08-01. It has received 311 citations till now. The article focuses on the topics: Turbine & Draft tube.read more
Citations
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Journal ArticleDOI
Wind-Turbine and Wind-Farm Flows: A Review
TL;DR: This review summarizes recent experimental, computational, and theoretical research efforts that have contributed to improving the understanding and ability to predict the interactions of ABL flow with wind turbines and wind farms.
Journal ArticleDOI
Renewable energy source water pumping systems—A literature review
TL;DR: The research developments with renewable energy source water pumping systems (RESWPSs) are reviewed in as discussed by the authors, where the reported investigations are categorized into five major groups as follows: (i) solar photovoltaic water pumping system (SPWPS), (ii) solar thermal water pumping, (iii) wind energy water, (iv) biomass water, and (v) hybrid renewable energy water water, as discussed by the authors.
Journal ArticleDOI
Large eddy simulations of the flow past wind turbines: actuator line and disk modeling
TL;DR: In this paper, the authors compare the performance of the actuator disk and actuator line models in producing wind turbine wakes and examine parameters that strongly affect performance of these models, namely, grid resolution and the way in which the actuators force is projected onto the flow field.
Journal ArticleDOI
Wake structure in actuator disk models of wind turbines in yaw under uniform inflow conditions
Michael F. Howland,Juliaan Bossuyt,Juliaan Bossuyt,Luis A. Martínez-Tossas,Johan Meyers,Charles Meneveau +5 more
TL;DR: In this paper, the authors studied the wake deflection and morphology of a wind turbine operating in yaw conditions using wind tunnel experiments and uniform inflow and found that the wake shape and curvature exhibited significant spanwise asymmetry, and the wake curling observed in the experiments is also reproduced qualitatively in Large Eddy Simulations using both actuator disk and actuator line models.
Journal ArticleDOI
“Blind test” calculations of the performance and wake development for a model wind turbine
TL;DR: The blind test workshop on wind turbine wake modeling was organized jointly by Nowitech and Norcowe in Bergen, Norway as discussed by the authors, where a number of researchers were invited to predict the performance and wake development for a model wind turbine that has been developed by and extensively tested at the Department of Energy and Process Engineering, NTNU.
References
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Journal ArticleDOI
Wind turbine wake aerodynamics
TL;DR: In this article, the aerodynamic properties of wind turbine wakes are studied, focusing on the physics of power extraction by wind turbines, and the main interest is to study how the far wake decays downstream in order to estimate the effect produced in downstream turbines.
Journal ArticleDOI
Modelling and measuring flow and wind turbine wakes in large wind farms offshore
Rebecca Jane Barthelmie,Kurt Schaldemose Hansen,Sten Tronæs Frandsen,Ole Rathmann,J.G. Schepers,W. Schlez,John D. Phillips,K. Rados,Arthouros Zervos,E.S. Politis,P. Chaviaropoulos +10 more
TL;DR: In this article, the authors compare different types of models from computational fluid dynamics (CFD) to wind farm models in terms of how accurately they represent wake losses when compared with measurements from offshore wind farms.
Book
Wind turbine technology : fundamental concepts of wind turbine engineering
TL;DR: In this article, a state-of-the-art guide to wind turbine engineering can be found to examine real-life choices made by inventors, designers, and builders of turbines; absorb their practical lessons; and synthesize the experiences of a wide range of wind energy professionals.
Journal ArticleDOI
Measurements on a wind turbine wake: 3D effects and bluff body vortex shedding
D. Medici,P. H. Alfredsson +1 more
TL;DR: In this article, the velocity held in the wake of a two-bladed wind turbine model (diameter 180 mm) has been studied under different conditions using a twocomponent hot wire.
Journal ArticleDOI
Modelling and measurements of power losses and turbulence intensity in wind turbine wakes at Middelgrunden offshore wind farm
Rebecca Jane Barthelmie,Sten Tronæs Frandsen,M. Nielsen,Sara C. Pryor,Pierre-Elouan Réthoré,Hans Ejsing Jørgensen +5 more
TL;DR: In this article, power losses and turbulence increase due to wind turbine wake interactions in large offshore wind farms are quantified based on observations from Middelgrunden and state-of-the-art models.