Kompenhans, J. and Schröder, A. and Raffel, M. and Kähler, C. and Arnott, A. and Bao, F. and Sammler, B. and Schneider, G. and Stasicki, B. and Frahnert, H. and Klinge, F. and Vollmers, H. and Agocs, J. and Mattner, H. and Stanislas, M. and Hinsch, K. and Westerweel, J. and Willert, C. and Ehrenfried, K. and Micknaus, I. and Rosenstock, C. and Henze, D. (2003) Application of Particle Image Velocimetry, Theory and Practice. In: Application of Particle Image Velocimetry, Theory and Practice, Ordner-. PIV-Course, Göttingen, Germany, 03.03.-07.03.2003.
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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 fields 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 years an increasing number of scientists have 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 have been described in literature. 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 such as 3C-PIV (stereo PIV, multi plane stereo PIV, dual plane PIV etc.) and 3D-PIV (holographic PIV) will be discussed and demonstrated.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||Application of Particle Image Velocimetry, Theory and Practice|
|Journal or Publication Title:||Application of Particle Image Velocimetry, Theory and Practice|
|Keywords:||Particle Image Velocimetry, wind tunnel, instantaneous flow velocity fields, ccd recording, evaluation|
|Event Title:||PIV-Course, Göttingen, Germany, 03.03.-07.03.2003|
|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:||Köln-Porz , Braunschweig , Göttingen|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology|
Institute of Propulsion Technology
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||08 Dec 2005|
|Last Modified:||14 Jan 2010 19:14|
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