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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-Verlag GmbH. DOI: 10.1007/s00348-005-0104-7. ISSN 0723-4864 (Paper) 1432-1114 (Online).

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

Abstract

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.

Document Type:Article
Title:Optical measurement techniques for high Reynolds number train investigations
Authors:
AuthorsInstitution or Email of Authors
Loose, SigfriedUNSPECIFIED
Richard, HuguesUNSPECIFIED
Bosbach, JohannesUNSPECIFIED
Thimm, MichaelUNSPECIFIED
Becker, WilhelmDeutsch Niederländische Windkanäle (DNW)
Raffel, MarkusUNSPECIFIED
Date:10 January 2006
Journal or Publication Title:Experiments in Fluids
Refereed publication:Yes
In ISI Web of Science:Yes
DOI:10.1007/s00348-005-0104-7
Page Range:pp. 643-653
Publisher:Springer-Verlag GmbH
ISSN:0723-4864 (Paper) 1432-1114 (Online)
Status:Published
Keywords:High-speed train, PIV, BOS, Digital speckle photography, Leeward vortex
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Transport
HGF - Program Themes:V SH - Verbesserung der Sicherheit im Verkehr (old)
DLR - Research area:Transport
DLR - Program:V - no assignement
DLR - Research theme (Project):V -- no assignement
Location: Göttingen
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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