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Density Tagging Velocimetry

Raffel, Markus and Hernandez-Rivera, Ricardo and Heine, Benjamin and Schröder, Andreas and Mulleners, Karen (2011) Density Tagging Velocimetry. Experiments in Fluids, Vol. 5 (2), pp. 573-578. Springer. DOI: DOI 10.1007/s00348-011-1058-6 ISSN 0723-4864

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Abstract

Density tagging velocimetry, a novel optical technique for point-wise measurement of flow velocity is proposed here. This new method is based on the detection and subsequent tracking of a local density variation deliberately inserted in the flow. The experimental implementation comprising tagging, detection, and velocity evaluation reverts to and combines principles of well-known optical measurement techniques. Density tagging velocimetry has the potential for in-flight application and is particularly suited for measuring flow velocities in regions where the use of tracer particles is difficult or undesired. The applicability of this new technique is illustrated by a jet flow measurement.

Item URL in elib:https://elib.dlr.de/69192/
Document Type:Article
Additional Information:Published online:20 February 2011
Title:Density Tagging Velocimetry
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Raffel, Markusmarkus.raffel (at) dlr.dehttps://orcid.org/0000-0002-3340-9115
Hernandez-Rivera, RicardoUNSPECIFIEDUNSPECIFIED
Heine, BenjaminUNSPECIFIEDUNSPECIFIED
Schröder, Andreasandreas.schroeder (at) dlr.deUNSPECIFIED
Mulleners, Karenmulleners (at) tfd.uni-hannover.deUNSPECIFIED
Date:20 February 2011
Journal or Publication Title:Experiments in Fluids
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:Vol. 5
DOI :DOI 10.1007/s00348-011-1058-6
Page Range:pp. 573-578
Publisher:Springer
Series Name:Letter
ISSN:0723-4864
Status:Published
Keywords:Velocity, density, PIV, MTV, DTV
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Active Rotorcraft (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Institute of Aerodynamics and Flow Technology > Helicopters
Deposited By: Winkels, Elisabeth
Deposited On:29 Mar 2011 15:35
Last Modified:06 Sep 2019 15:25

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