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Multiple Plane Stereo PIV

Kähler, Ch. (1998) Multiple Plane Stereo PIV. Mech. Eng. Dept., Stanford University, 24. November 1998.

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Particle Image Velocimetry (PIV) has become a widely used technique for investigations into fluid flows were the spatial distribution of the velocity helps to understand the physics of flow. However, quiet often other quantities are desirable to answer fluid-mechanical questions. Time resolved PIV measurements in air flows as well as the simultaneous determination of all three velocity components in spatially separated planes for example are desirable for many fluid-mechanical investigations. In order to measure these quantities a multiple plane stereo PIV system has been developed. The multiple plane stereo PIV system consists of a four pulse laser system delivering orthogonally polarized light, two pairs of high resolution progressive scan CCD cameras in an angular imaging configuration with Scheimpflug correction for stereo-scopic recording, two high reflectivity mirrors and a pair of polarizing beam-splitter cubes. This technique is very reliable, robust and well suited for all kinds research, purely scientific as well as for industrially motivated investigations in large wind tunnel. Instantaneous quantities as the vorticity or the invariants of the velocity gradient tensor and time-dependent quantities as space-time correlations or the acceleration can be obtained to characterize the spatial and temporal flow unsteadiness. In order to study the accuracy and reliability of the Multiple Plane Stereo system the transition to turbulence in a flat plate boundary layer flow with zero pressure gradient has been examined

Item URL in elib:https://elib.dlr.de/13502/
Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Multiple Plane Stereo PIV
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Multiple Plane Stereo PIV, four pulse laser, polarization, progressive scan CCD cameras, system, Scheimpflug correction
Event Title:Mech. Eng. Dept., Stanford University, 24. November 1998
Organizer:Stanford University
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: DLR-Beauftragter, elib
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:32

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