The application of PIV to the wake of a wind turbine in yaw
2001 (English)In: DLR-Mitteilung / [ed] Kompenhans, J., 2001, 155-162 p.Conference paper (Refereed)
PIV has been used in a wind tunnel study of the wake of a 0.25m diameter two bladed model horizontal axis wind turbine (HAWT). Velocity fields of the wake from one to five rotor diameters downstream of the wind turbine model are shown, both with the turbine aligned in the flow and yawed. Data analysis is mainly based on time averaged velocity profiles of the wake for a range of yaw angles [0 ±10, ±20, ±30] in a plane parallel to the flow. Results show the size and persistence of the velocity deficit and tip vortices in the wake, and the wake deflection in yaw. It is shown that active control of turbine yaw angles could be an advantage for overall maximization of power output from wind farms.
Place, publisher, year, edition, pages
2001. 155-162 p.
, DLR-Mitteilung, ISSN 14348462 ; 3
Charge coupled devices, Data processing, Elementary particles, Flow of fluids, Image analysis, Photointerpretation, Power generation, Rotors, Stream flow, Velocity measurement, Wakes, Wind tunnels
Fluid Mechanics and Acoustics
IdentifiersURN: urn:nbn:se:kth:diva-9020OAI: oai:DiVA.org:kth-9020DiVA: diva2:14556
Particle Image Velocimetry; Gottingen; 17 September 2001 through 19 September 2001
QC 201010182006-01-262006-01-262010-10-18Bibliographically approved