Study on wind turbine arrangement for offshore wind farms

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Abstract

In this paper, the separation distance between two neighboring offshore wind turbines has been carried out by using the Actuator Line/Navier-Stokes technique developed at the Technical University of Denmark (DTU). Under offshore atmospheric conditions, Large Eddy Simulation has been performed for two Tjæreborg 2 MW wind turbines in tandem with separation distances of 4D, 5D, 6D, 7D, 8D and 10D at the design wind speed of 10 m/s. The power performance of the wake turbine showed to be about 23% of the first turbine at a separation distance of 4D while its performance reached about 50% at 7D due to the turbulence mixing. This study hints that the optimal separation distance between neighboring turbines for offshore wind farms should be 7 rotor diameters.
Original languageEnglish
Title of host publicationICOWEOE-2011
VolumePaper 05
Publication date2011
Publication statusPublished - 2011
EventInternational Conference on Offshore Wind Energy and Ocean Energy - Beijing, China
Duration: 31 Oct 20112 Nov 2011

Conference

ConferenceInternational Conference on Offshore Wind Energy and Ocean Energy
Country/TerritoryChina
CityBeijing
Period31/10/201102/11/2011

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