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Modern image based experimental methods for application in fluid dynamics

Kompenhans, Jürgen (2006) Modern image based experimental methods for application in fluid dynamics. In: Flow Phenomena Nature Flow Phenomena in Nature, Inspiration, Learning and Application, Volume 2 (Chapter 7). WIT Press, Ashurst Lodge, Ashurst, Southampton, SO40 7AA, UK. pp. 667-697. ISBN 978- 1-84564-095-3. ISSN 1478-0585

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Abstract

Experimental methods for the investigation of complex flow phenomena have primarily been developed for applications to problems of industrial interest such as aerodynamics. Mostly point-wise methods to determine flow velocity, pressure, temperature, density etc. have been utilized in the past. One disadvantage of these methods is that they require a probe to be inserted in the flow field, i.e. the flow phenomenon to be studied may be influenced by the presence of the probe. Due to the recent technological progress (lasers, optoelectronics, high resolution high-sensitive video sensors, processing speed and memory capacity of computers, development of advanced evaluation and post-processing algorithms) image based measurement techniques have been developed which allow to observe flow phenomena from a large distance. These image based methods have found application as standard and robust measurement techniques for aerodynamic investigations in industrial wind tunnels in the past decade. Inparallel they are more and more often used for the investigation of flows in nature as weIl. An overview of the most important image based measurement techniques as weIl as an assessment oftheir potential to be used for flows in nature will be given.

Document Type:Book Section
Additional Information:Library of Congress Catalog Card Number: 2005933355 Hardback Set ISBN: 978-1-84564-099-6
Title:Modern image based experimental methods for application in fluid dynamics
Authors:
AuthorsInstitution or Email of Authors
Kompenhans, JürgenUNSPECIFIED
Date:2006
Journal or Publication Title:Flow Phenomena Nature
Refereed publication:Yes
In ISI Web of Science:No
Volume:Volume 2
Page Range:pp. 667-697
Editors:
EditorsEmail
Liebe, R.UNSPECIFIED
SIEMENS Power Gerneration, UNSPECIFIED
Publisher:WIT Press, Ashurst Lodge, Ashurst, Southampton, SO40 7AA, UK
Series Name:Flow Phenomena in Nature, Inspiration, Learning and Application
ISSN:1478-0585
ISBN:978- 1-84564-095-3
Status:Published
Keywords:particle image velocimetry (PIV), doppler global velocimetry (DGV), pressure sensitive paint (PSP), high-speed video stroboscope
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: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Ilka Micknaus
Deposited On:30 Nov 2006
Last Modified:27 Apr 2009 04:56

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