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Title:

Influence of ground roughness on the wake of a yawed wind turbine - A comparison on wind-tunnel measurements and model predictions

Document type:
Zeitschriftenaufsatz
Author(s):
Stein, V.P.; Kaltenbach, H.-J.
Abstract:
Wind-tunnel measurements in the wake of a three bladed horizontal axis wind turbine model (HAWT) operating in yawed conditions are presented. Measurements are made at a constant tip speed ratio within two neutrally-stratified turbulent boundary layers of different aerodynamic roughness length to investigate its influence on the wake trajectory. It is found that the wake is less deflected with increasing terrain roughness. The recorded flow field is then used to assess the predictive capability o...     »
Keywords:
Boundary layers, torque, turbulence, wakes, wind tunnels
Dewey Decimal Classification:
620 Ingenieurwissenschaften
Congress title:
Science of Making Torque from Wind, TORQUE [7th, Milan, 2018]
Journal title:
Journal of Physics: Conference Series
Year:
2018
Journal issue:
Vol. 1037, Issue 7
Pages contribution:
Article number 072005
Covered by:
Scopus
Reviewed:
ja
Language:
en
Fulltext / DOI:
doi:10.1088/1742-6596/1037/7/072005
WWW:
https://www.scopus.com/record/display.uri?eid=2-s2.0-85049683164&origin=resultslist&sort=plf-f&src=s&st1=Kaltenbach&st2=Hans-Jakob&nlo=1&nlr=20&nls=afprfnm-t&affilName=TUM&sid=9bb90008e96d42c68fdda652656954a3&sot=anl&sdt=aut&sl=42&s=AU-ID("Kaltenbach,+Hans+Jakob"+6603408260)&relpos=0&citeCnt=0
Publisher:
Institute of Physics Publishing
E-ISSN:
17426588
Status:
Erstveröffentlichung
TUM Institution:
Fachgebiet für Strömungsbeeinflussung und Aeroakustik
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