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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.)
| 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: |
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| Date: | 2003 | ||||
| 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 | ||||
| HGF - Program: | Aeronautics | ||||
| HGF - Program Themes: | L AR - 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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