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Optical skin friction measurements in the short-duration Ludwieg tube facility

Schülein, E. (2003) Optical skin friction measurements in the short-duration Ludwieg tube facility. 20th International Congress on Instrumentation in Aerospace Simulation Facilities, Göttingen, Germany, 25-29 August 2003. ISBN 0-7803-8149-1

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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.)

Item URL in elib:https://elib.dlr.de/12638/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Optical skin friction measurements in the short-duration Ludwieg tube facility
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schülein, E.UNSPECIFIEDUNSPECIFIED
Date:2003
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:ICIASF 2003, Record 2003
Page Range:pp. 157-168
ISBN:0-7803-8149-1
Status:Published
Keywords:Experiment, oil-film-interferometry, visualization, measurements, skin-friction, Ludwieg-Tube, short-duration
Event Title:20th International Congress on Instrumentation in Aerospace Simulation Facilities, Göttingen, Germany, 25-29 August 2003
Organizer:ICIASF
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: DLR-Beauftragter, elib
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:16

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