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A Fast Multiple Shutter for Image-Based Metrology

Geisler, Reinhard (2014) A Fast Multiple Shutter for Image-Based Metrology. 17th International Symposium on Application of Laser Techniques to Fluid Mechanics, 07.-10. July 2014, Lisbon, Portugal.

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Official URL: Z:\Tagungs_CD\2014\17th_Lisbon_2014\cd2014\pages\abstracts_papers.html

Abstract

A new fast shutter system for CCD sensor based cameras is presented. This system is capable of providing for the first time short exposure times for two consecutive frames recorded in fast succession with high spatial resolutions. In addition, a third frame can be recorded with a long exposure time, this then corresponding to the well-known ’double shutter’. Measurement techniques such as Particle Image Velocimetry (PIV) will benefit from the new fast shutter when being used in bright environments. Using the optional third frame, advanced evaluation schemes can be implemented to measure acceleration, increase the dynamic range of the velocity measurements or reduce the number of false matches (’ghost particles’) in tomographic PIV or particle tracking. It will be shown that for double-frame applications this new shutter timing outperforms even the latest commercially available single-chip high-speed cameras.

Item URL in elib:https://elib.dlr.de/86598/
Document Type:Conference or Workshop Item (Speech)
Additional Information:Paper-Nr.: 03.9_4_150
Title:A Fast Multiple Shutter for Image-Based Metrology
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Geisler, ReinhardUNSPECIFIEDUNSPECIFIED
Date:2014
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-7
Series Name:Conference Proceedings online
Status:Published
Keywords:CCD, double shutter, high-speed camera, particle image velocimetry (PIV), particle tracking, multi-pulse PIV
Event Title:17th International Symposium on Application of Laser Techniques to Fluid Mechanics
Event Location:Lisbon, Portugal
Event Type:international Conference
Event Dates:07.-10. July 2014
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Micknaus, Ilka
Deposited On:25 Jul 2014 15:25
Last Modified:20 Oct 2014 13:54

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