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Dynamic Stall Control by Airfoil Deformation

Geißler, W. and Raffel, M. (1993) Dynamic Stall Control by Airfoil Deformation. Nineteenth European Rotorcraft Forum, Vol. I, Paper No. C2, Sept. 14-16, 1993, Como, Italy.

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Abstract

With combined numerical and experimental investigations of the dynamic stall process on refreating helicopter rotor blades new insight into the complex unsteady flows involved have been achieved recently. With these new experiences in mind it is of increasing interest to suitable influence the flow. i.e. by dynamic airfoil deformation. The present paper describes first steps towards an improvement of the dynamic stall effects with respect to the time-dependent flows and overall forces by both numerical and experimental tools.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1993, pages=13,
Title:Dynamic Stall Control by Airfoil Deformation
Authors:
AuthorsInstitution or Email of Authors
Geißler, W.UNSPECIFIED
Raffel, M.UNSPECIFIED
Date:1993
Status:Published
Keywords:unsteady aerodynamics, dynamic stall, helicopter airfoils, flow control
Event Title:Nineteenth European Rotorcraft Forum, Vol. I, Paper No. C2, Sept. 14-16, 1993, Como, Italy
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L DT - Drehflüglertechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:07

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