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Recounting Twenty Years of Digital PIV, its Origins and Current Trends

Willert, Christian (2009) Recounting Twenty Years of Digital PIV, its Origins and Current Trends. 8th International Symposium on Particle Image Velocimetry (PIV09), 25.-28. Aug. 2009, Melbourne, Australia.

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Abstract

Early 1989 the first image sequences of single exposed particle images were acquired for a low speed water flow and for the first time demonstrated the double-frame, single-exposure PIV recording and processing concept, that has become the most common implementation of PIV up until today. The article provides a historical perspective of the development of digital PIV in the presence of the then already well established photographic PIV methods. Initially the implementation of the two techniques seemed to be almost contradictory, but a steady improvement of the theoretical background during the 1990's clarified that the two techniques are merely different implementations of the same measurement principle. While digital PIV made handling of time-resolved image sequences viable, image data of this type was already available by the late 1920's to researchers such as Prandtl. Modern PIV processing nowadays allow processing of this antique data which by itself shows the importance of carefully documenting and archiving valuable data.

Document Type:Conference or Workshop Item (Speech)
Title:Recounting Twenty Years of Digital PIV, its Origins and Current Trends
Authors:
AuthorsInstitution or Email of Authors
Willert, Christianchris.willert@dlr.de
Date:25 August 2009
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:particle image velocimetry, flow visualization, Prandtl, history of PIV, flow measurement
Event Title:8th International Symposium on Particle Image Velocimetry (PIV09)
Event Location:Melbourne, Australia
Event Type:international Conference
Event Dates:25.-28. Aug. 2009
Organizer:Monash University
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation Methods
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology
Institute of Propulsion Technology > Engine Measurement Systems
Deposited By: Dr.phil. Christian Willert
Deposited On:15 Mar 2010 15:31
Last Modified:15 Mar 2010 15:31

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