Optical measurement techniques for high Reynolds number train investigations
Loose, Sigfried and Richard, Hugues and Bosbach, Johannes and Thimm, Michael and Becker, Wilhelm and Raffel, Markus (2006) Optical measurement techniques for high Reynolds number train investigations. Experiments in Fluids (40), pp. 643-653. Springer-Verlag GmbH. DOI: 10.1007/s00348-005-0104-7. ISSN 0723-4864 (Paper) 1432-1114 (Online).
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This article reports on experimental aerodynamic investigations on a generic high-speed train configuration performed within two different wind tunnels. Both wind tunnels are specialized facilities for high Reynolds number investigations and offer low turbulence levels. The wind tunnels are the cryogenic wind tunnel located in Cologne (KKK) and in the high-pressure wind tunnel located in Göttingen (HDG). Both facilities are part of the German–Dutch wind tunnel association (DNW). The adaptation and application of three optical measurement techniques for such high Reynolds number investigations is described in the article. The optical methods are: Particle Image Velocimetry for the measurement of velocity fields, Background Oriented Schlieren technique for density gradient measurements, and a white light Digital Speckle Photography technique for model deformation monitoring.
|Title:||Optical measurement techniques for high Reynolds number train investigations|
|Date:||10 January 2006|
|Journal or Publication Title:||Experiments in Fluids|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 643-653|
|ISSN:||0723-4864 (Paper) 1432-1114 (Online)|
|Keywords:||High-speed train, PIV, BOS, Digital speckle photography, Leeward vortex|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Transport|
|HGF - Program Themes:||V SH - Verbesserung der Sicherheit im Verkehr|
|DLR - Research area:||Transport|
|DLR - Program:||V - no assignement|
|DLR - Research theme (Project):||V -- no assignement|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Helicopters|
|Deposited By:||Elisabeth Winkels|
|Deposited On:||19 Jun 2006|
|Last Modified:||27 Apr 2009 12:54|
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