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Instantaneous flow field measurements for propeller aircraft and rotorcraft research

Raffel, M. and De Gregorio, F. and Pengel, K. and Willert, C. and Kähler, C. and Dewhirst, T. and Ehrenfried, K. and Kompenhans, J. (2000) Instantaneous flow field measurements for propeller aircraft and rotorcraft research. In: Laser Techniques and Applications in Fliuid Mechanics, pp. 277-296. Springer. Ninth International Symposium on Applications of Laser Techniques to Fluid Mechanics 1999. ISBN 3-540-66738-5.

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Abstract

The paper illustrates results of instantaneous flow field measurements which were performed by the PIV group of DLR Göttingen during test campaigns in three different wind tunnel facilities of the Dutch-German Wind Tunnel foundation (DNW). The test results described first were obtained in the low speed tunnel LST in order to obtain detailed flow field information about the wake of a new high speed propeller model. The second test was performed in the transonic wind tunnel TWG in the frame of a German helicopter research project. Here the flow field above a pitching airfoil equipped with a flap driven by an integrated piezoelectric actuator has been observed with high spatial resolution. During the third test, stereoscopic flow field measurements were performed in the wake of a rotorcraft model in order to characterize the blade tip vortices at different flight conditions. The test was conducted in the 6x8m² open jet test section of the large low speed facility LLF which required observation distances exceeding 9 meters between camera and light sheet

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Instantaneous flow field measurements for propeller aircraft and rotorcraft research
Authors:
AuthorsInstitution or Email of Authors
Raffel, M.UNSPECIFIED
De Gregorio, F.UNSPECIFIED
Pengel, K.UNSPECIFIED
Willert, C.UNSPECIFIED
Kähler, C.UNSPECIFIED
Dewhirst, T.UNSPECIFIED
Ehrenfried, K.UNSPECIFIED
Kompenhans, J.UNSPECIFIED
Date:2000
Journal or Publication Title:Laser Techniques and Applications in Fliuid Mechanics
Page Range:pp. 277-296
Editors:
EditorsEmail
Adrian, R,J., UNSPECIFIED
Publisher:Springer
ISBN:3-540-66738-5
Status:Published
Keywords:propeller, rotorcraft, PIV, pitching airfoil, BVI
Event Title:Ninth International Symposium on Applications of Laser Techniques to Fluid Mechanics 1999
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
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
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:37

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