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Particle Image Velocimetry- an advanced Experimental Tool for the Investigation of Turbulent Flow Fields

Kompenhans, Jürgen and Kähler, Christian (2002) Particle Image Velocimetry- an advanced Experimental Tool for the Investigation of Turbulent Flow Fields. In: Engineering Turbulence Modelling and Experiments 5, pp. 79-94. Elsevier. 5th International Symposium on Engineering Turbulence Modelling and Measurements, 2002-09-16 - 2002-09-18, Mallorca (Spain). ISBN 0-08-044114-9.

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

Abstract

For the characterization of turbulent flows it is often required to measure both, the temporal behavior of the velocity fluctuations along with their spectral contents and the spatial flow structure. Conventional point-wise measurement techniques such as hot wire or laser Doppler velocimetry have been applied for a long time in order to obtain the temporal information at a single point. Since a few years the Particle Image Velocimetry (PIV) technique, which for the first time allows to measure instantaneous velocity vector maps, enables quantitative insight into the development of the spatial structures as well. It will be shown that by employing more complex multi-laser, multi-camera set-ups for PIV, it becomes possible to measure other relevant quantities required for the understandig of turbulent flows such as the complete velocity gradient tensor or the components of the spatio-temporal correlation tensor for example.

Document Type:Conference or Workshop Item (Speech, Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Particle Image Velocimetry- an advanced Experimental Tool for the Investigation of Turbulent Flow Fields
Authors:
AuthorsInstitution or Email of Authors
Kompenhans, JürgenUNSPECIFIED
Kähler, ChristianTU-BS
Date:2002
Journal or Publication Title:Engineering Turbulence Modelling and Experiments 5
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 79-94
Editors:
EditorsEmail
Rodi, W.UNSPECIFIED
Fueyo, N.UNSPECIFIED
Publisher:Elsevier
ISBN:0-08-044114-9
Status:Published
Keywords:Particle image velocimetry (PIV), stereoscopic PIV (S-PIV), multi-plane stereoscopic PIV (MPS-PIV), near wall turbulence, coherent structures, multipoint statistics
Event Title:5th International Symposium on Engineering Turbulence Modelling and Measurements
Event Location:Mallorca (Spain)
Event Type:international Conference
Event Dates:2002-09-16 - 2002-09-18
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: elib DLR-Beauftragter
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:15

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