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Error analysis for PIV recording utilizing image shifting

Raffel, M. and Kompenhans, J. (1994) Error analysis for PIV recording utilizing image shifting. 7th Int. Symp. on Applications of Laser Techniques to Fluid Mechanics, July 1994, Lisbon, Portugal.

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Abstract

The development of high-performance image shifting systems has led to an increased potential for applying particle image velocimetry (PIV) to the widest variety of flows. More and more frequently, the instantaneous velocity vector fields measured with PIV are compared with the results of numerical calculations. However, it is very important for a meaningful comparison to have as much information as possible about the errors, which are inevitable involved in every experimental investigation. Several papers have been presented in the last years illuminating the different aspects of the accuracy of the PIV technique as a whole or for the evaluationsystem only. In the following article the main error sources which depend on the recording parameters, especially if utilizing image shifting, will be discussed. A number of experimental and theoreticalsimulations were made to show the main influence of the parameters qualitatively and quantitatively.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1994, pages=5,
Title:Error analysis for PIV recording utilizing image shifting
Authors:
AuthorsInstitution or Email of Authors
Raffel, M.UNSPECIFIED
Kompenhans, J.UNSPECIFIED
Date:1994
Status:Published
Keywords:Particle Image Velocimetry, Image Shiftings, Rotation mirror
Event Title:7th Int. Symp. on Applications of Laser Techniques to Fluid Mechanics, July 1994, Lisbon, Portugal
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L SI - Versuchs- und Simulationstechniken
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:08

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