Experimental and Numerical study of Wake to Wake Interaction in Wind Farms

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Abstract

In this paper, wake interaction between two wind turbines
is analyzed using experimental and numerical
approaches. Full-scale wake measurements are
conducted at Tjæreborg wind farm and are obtained
using a continuous wave lidar mounted on the back
of the nacelle of a 2MW NM80 turbine. Numerical
analyses are conducted for two double wake cases
characterized by different turbine spacing, using the
in-house EllipSys3D flow solver. Large Eddy Simulation
and Actuator Line technique are used for modeling
the rotor and the flow field. 10-minute average
streamwise velocity and turbulence level are compared,
and good agreement is seen between the
measurements and the computations despite of a
lateral offset and other discrepancies due to uncertainties
on the measured inflow conditions and lidar
mounting alignment.
Original languageEnglish
Title of host publicationProceedings of EWEA 2012 - European Wind Energy Conference & Exhibition
Number of pages10
PublisherEuropean Wind Energy Association (EWEA)
Publication date2012
Publication statusPublished - 2012
EventEWEA 2012 - European Wind Energy Conference & Exhibition - Copenhagen, Denmark
Duration: 16 Apr 201219 Apr 2012
http://events.ewea.org/annual2012/

Conference

ConferenceEWEA 2012 - European Wind Energy Conference & Exhibition
CountryDenmark
CityCopenhagen
Period16/04/201219/04/2012
Internet address

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