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Investigations of Unsteady Flow Fields in Transonic Wind Tunnels Using Particle Image Velocimetry

Konrath, Robert and Schröder, Andreas and Kompenhans, Jürgen (2006) Investigations of Unsteady Flow Fields in Transonic Wind Tunnels Using Particle Image Velocimetry. 25th Congress of the International Concil of the Aeronautical Sciences (ICAS 2006), 2006-09-03 - 2006-09-08, Hamburg (Germany).

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Abstract

Over the past two decades the non-intrusive Particle Image Velocimetry (PIV) has matured from its developmental stage in laboratory scale to a reliable whole field measurement technique in industrial wind tunnel applications. Figure 1 shows the simple principle of the PIV technique in a wind tunnel experiment. After seeding the flow with small tracer particles the instantaneous measurement of a whole velocity vector field in a plane of the flow can be performed within a few microseconds by using a double cavity pulse laser, light sheet- and imaging optics and a (digital) camera. Nowadays all three components of up to 10000 velocity vectors can be determined out of two simultaneously captured stereoscopic double images of illuminated particles inside the wind tunnel flow.

Document Type:Conference or Workshop Item (Speech)
Additional Information:Abstract, 28 Folien
Title:Investigations of Unsteady Flow Fields in Transonic Wind Tunnels Using Particle Image Velocimetry
Authors:
AuthorsInstitution or Email of Authors
Konrath, RobertUNSPECIFIED
Schröder, AndreasUNSPECIFIED
Kompenhans, JürgenUNSPECIFIED
Date:2006
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Series Name:CD-ROM Proccedings
Status:Published
Keywords:Particle Image Velocimetry (PIV), delta-wing, Stereo-PIV, PSP
Event Title:25th Congress of the International Concil of the Aeronautical Sciences (ICAS 2006)
Event Location:Hamburg (Germany)
Event Type:international Conference
Event Dates:2006-09-03 - 2006-09-08
Organizer:DGLR
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 Oct 2006
Last Modified:27 Apr 2009 04:56

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