2D numerical comparison of trailing edge flaps - UpWind WP1B3

Publication: ResearchReport – Annual report year: 2007

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This report covers the investigations and comparisons of trailing edge flaps carried out by Delft and Risø. The work is a part of the W1B3 work package of the UpWind EU-project. This report covers only 2D test cases with simple control of the trailing edge flap with the objective of keeping CL constant. The 5MW UpWind reference turbine is used for the calculations. The section in 75% radius is investigated for three different cases; 1) a wind step from 10m/s to 11m/s, 2) a wind “gust” from 10 m/s to 14m/s in 1 second and followed by 10m/s, 3) finally a turbulent wind series is simulated, and the performance of the flaps is investigated. The two different codes from Delft and Risø are compared in the mentioned cases.
Original languageEnglish
PublisherRisø National Laboratory
Number of pages20
ISBN (print)978-87-550-3647-5
StatePublished - 2007
NameDenmark. Forskningscenter Risoe. Risoe-R
Number1628(EN)
ISSN (print)0106-2840

Keywords

  • Risø-R-1628, Risø-R-1628(EN)
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