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Investigation of the rotor blade tip vortex by PIV and CFD

Lang, Waldemar and Gardner, Anthony Donald and Mulleners, Karen and Raffel, Markus (2012) Investigation of the rotor blade tip vortex by PIV and CFD. 18. DGLR-Fach-Symposium der STAB, 06. - 07. Nov. 2012, Stuttgart, Deutschland.

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The flow field around a helicopter is dominated by strong coherent vortices originating from the blade tip as a result of the pressure difference between suction and pressure side and a high radial velocity at the tip (Leishman, 2001; Green and Acosta, 1991). These vortices have a strong impact on the rotorcraft acoustics and performance due to its interactions with the rotor blades and the helicopter fuselage (Conlisk, 2001). Detailed knowledge of the vortex development, in particular of the formation process, and the scaling of characteristic parameters, e.g. vortex size and strength, are necessary for the design and the optimisation of vortex control measures.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Investigation of the rotor blade tip vortex by PIV and CFD
AuthorsInstitution or Email of Authors
Gardner, Anthony DonaldUNSPECIFIED
Mulleners, Karenmulleners@tfd.uni-hannover.de
Refereed publication:No
In ISI Web of Science:No
Volume:Jahresbericht 2012
Page Range:pp. 106-107
Series Name:STAB-Mitteilung
Keywords:rotor blade, PIV, CFD
Event Title:18. DGLR-Fach-Symposium der STAB
Event Location:Stuttgart, Deutschland
Event Type:national Conference
Event Dates:06. - 07. Nov. 2012
Organizer:Die Deutsche Strömungsmechanische Arbeitsgemeinschaft, STAB
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation & Validation
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Helicopters
Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Ilka Micknaus
Deposited On:19 Nov 2012 16:22
Last Modified:19 Nov 2012 16:22

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