Kompenhans, Jürgen and Raffel, Markus and Dieterle, Lutz and Willert, Christian and Kähler, Christian and Richard, Huge and Schröder, Andreas and Vollmers, Heinrich and Schneider, Gert and Stasicki, Boleslaw and Agocs, Janos and Micknaus, Ilka and Stanislas, Michel and Hinsch, Klaus and Westerweel, Jerry (2000) Application of Particle Image Velocimetry - Theory and Partice. Course Notes, Ordner.
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The main interest of todays research in fluid mechanics is more and more directed to problems where unsteady and separated flows are predominant. 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 PN is that for the first time, a reliable basis of experimental flow field data is provided for direct comparison with numerical ca1culations 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. 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 practica1 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.
|Title:||Application of Particle Image Velocimetry - Theory and Partice|
|In ISI Web of Science:||No|
|Number of Pages:||0|
|Series Name:||Course Notes|
|Keywords:||stereo PIV, multi plane stereo PIV, dual plane PIV, holographic PIV|
|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 , Göttingen|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Experimental Methods|
Institute of Propulsion Technology
|Deposited By:||Ilka Micknaus|
|Deposited On:||13 Nov 2006|
|Last Modified:||27 Apr 2009 13:14|
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