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DLR Research about Wind Turbine Wake Impact on Helicopters

Lehmann, Paul Hermann and van der Wall, Berend G. (2017) DLR Research about Wind Turbine Wake Impact on Helicopters. Deutscher Luft- und Raumfahrtkongress, 05.-07. Sep. 2017, München.

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Through the massive expansion of wind energy in Germany, helicopter operations, onshore and offshore, are more frequently conducted in the vicinity of wind turbines. Especially during typical maintenance, search and rescue or police operations, the pilot has to fly close to the ground and may cross the wake of these turbines. Evaluations about the impact of wind turbine wakes on helicopters are very scarce and thus operational limits for aircraft flying close to them are not based on physical reasons. Therefore DLR has decided to investigate this issue in detail. Starting from trim calculations about an isolated rotor hovering in a straight line vortex, the work was extended to forward flight. This paper will give an overview about this topic by describing the approach, first results and next steps in detail.

Item URL in elib:https://elib.dlr.de/113989/
Document Type:Conference or Workshop Item (Speech)
Title:DLR Research about Wind Turbine Wake Impact on Helicopters
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Lehmann, Paul HermannPaul.Lehmann (at) dlr.deUNSPECIFIED
van der Wall, Berend G.Berend.VanDerWall (at) dlr.deUNSPECIFIED
Date:7 September 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Helicopter, Turbulence, Wake, Wind turbine, Simulation
Event Title:Deutscher Luft- und Raumfahrtkongress
Event Location:München
Event Type:national Conference
Event Dates:05.-07. Sep. 2017
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:rotorcraft
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Smart Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Deposited By: Lehmann, Paul Hermann
Deposited On:10 Oct 2017 11:30
Last Modified:24 Jul 2019 17:09

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