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Development and Application of the Thin Oil Film Technique for Skin Friction Measurements in the Short-Duration Hypersonic Wind Tunnel

Schülein, E. (2003) Development and Application of the Thin Oil Film Technique for Skin Friction Measurements in the Short-Duration Hypersonic Wind Tunnel. Springer-Verlag. 13. DGLR-Fach-Symposium der STAB, TU München, 12.-14. November 2002.

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Abstract

The utilization of image acquisition, image processing and skin friction computations has been developed to support skin friction measurements at the Ludwieg-tube facility at DLR. Verification of the oil-film-interferometry technique with analytical tests at different flows with given shear stress distributions showed its advantages and handicaps for skin friction measurements in 3D gradient flows. The abilities of the thin oil film technique with its application in a short duration wind tunnel were demonstrated on some examples. The comparison of experimental results obtained by different optical skin friction methods demonstrated good agreement)

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Development and Application of the Thin Oil Film Technique for Skin Friction Measurements in the Short-Duration Hypersonic Wind Tunnel
Authors:
AuthorsInstitution or Email of Authors
Schülein, E.UNSPECIFIED
Date:2003
Volume:Proceedings of the 13th DGLR-Fach-Symposium der STAB, TU München
Page Range:73.1-73.8
Publisher:Springer-Verlag
Status:Published
Keywords:Experiment, oil-film-interferometry, visualization, measurements, skin-friction, Ludwieg-Tube, short-duration
Event Title:13. DGLR-Fach-Symposium der STAB, TU München, 12.-14. November 2002
Organizer:STAB - TU München Lehrstuhl für Strömungsmechanik
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: elib DLR-Beauftragter
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:16

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