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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. doi: 10.1007/s00348-005-0104-7. ISSN 0723-4864.

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Official URL: http://www.springer.com


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.

Item URL in elib:https://elib.dlr.de/43772/
Document Type:Article
Title:Optical measurement techniques for high Reynolds number train investigations
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Loose, SigfriedSigfried.Loose (at) dlr.deUNSPECIFIED
Bosbach, JohannesJohannes.Bosbach (at) dlr.dehttps://orcid.org/0000-0002-1531-127X
Becker, WilhelmDeutsch Niederländische Windkanäle (DNW)UNSPECIFIED
Raffel, Markusmarkus.raffel (at) dlr.dehttps://orcid.org/0000-0002-3340-9115
Date:10 January 2006
Journal or Publication Title:Experiments in Fluids
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1007/s00348-005-0104-7
Page Range:pp. 643-653
Keywords:High-speed train, PIV, BOS, Digital speckle photography, Leeward vortex
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:other
DLR - Research area:Transport
DLR - Program:V - no assignment
DLR - Research theme (Project):V - no assignment
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Helicopter, GO
Deposited By: Winkels, Elisabeth
Deposited On:19 Jun 2006
Last Modified:06 Sep 2019 15:25

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