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Application of Particle Image Velocimetry - Theory and Practice

Kompenhans, Jürgen (1998) Application of Particle Image Velocimetry - Theory and Practice. In: Proc. PIV-Kurs 1998. PIV Kurs, 2.-6. März 1998, Göttingen (Germany).

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Abstract

For investigations of flow fields with pronounced spatial structures and/or rapid temporal or spatial changes (transition from laminar to turbulent flow, coherent structures, pitching airfoils in transonic flows with shocks, rotors, test facilities with short run time etc.) new experimental techniques, such as Particle Image Velocimetry (PIV) are required which allow to capture the flow velocity of large flow fileds instantaneously. An important feature of PIV is, that for the first time a reliable basis of experimental flow field data is provided for direct comparison with numerical calculations and, hence, for validation of computer codes. During the last year an increasing number of scientists has started to utilize the PIV technique to investigate the instantaneous structure of velocity fields in various areas of fluid mechanics. A number of different approaches for the recording and evaluation of PIV images has been described in literature. This course will mainly concentrate on those aspects of the theory of PIV relevant to applications. Besides giving lectures on the fundamental aspects, special emphasis is placed on the presentation of practical and reliable solutions of problems which are faced during the implementation of this technique in wind tunnels and other test facilities. During practice the participants will have the opportunity to carry out the recording and the evaluation of PIV images by themselves in small groups. Recent developments of the PIV technique (Digital-on-line PIV, 3D-PIV, 'Dual plane' PIV etc.) will be discussed and demonstrated.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1998,
Title:Application of Particle Image Velocimetry - Theory and Practice
Authors:
AuthorsInstitution or Email of Authors
Kompenhans, JürgenUNSPECIFIED
Date:1998
Journal or Publication Title:Proc. PIV-Kurs 1998
Status:Published
Keywords:Particle Image Velocimetry, wind tunnel, flow velocity fields, recording of PIV, evatuation of PIV.
Event Title:PIV Kurs, 2.-6. März 1998
Event Location:Göttingen (Germany)
Event Type:international Conference
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:03 Apr 2006
Last Modified:27 Apr 2009 10:36

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