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Assessment of Powder-based Seeding Materials for PIV Applications in Transonic, Supersonic and Reacting Flows

Voges, Melanie and Klinner, Joachim and Willert, Chris and Beversdorff, Manfred and Schodl, Richard (2007) Assessment of Powder-based Seeding Materials for PIV Applications in Transonic, Supersonic and Reacting Flows. In: PIV'07. 7th International Symposium on Particle Image Velocimetry, 2007-09-11 - 2007-09-14, Rome, Italy.

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Abstract

Latest developments in hardware and software for laser based flow diagnostics enable the investigation of complex flow phenomena under enclosed, high-temperature and even pressurized conditions. However, the successful application of a velocimetry technique strongly depends on the presence of appropriate light-scattering tracer particles (seeding) in the flow. In the present paper, various types of solid as well as porous particle materials have been investigated regarding their physical properties, namely dimension and shape of primary particles and agglomerates, specific weight or density as well as refractory behavior. A variety of laboratory investigations were carried out to identify seeding materials qualified for PIV applications in transonic, supersonic or reactive flows. Measurements performed with porous particles showed the least amount of velocity lag, which was subsequently confirmed by PIV measurements during an industrial investigation involving supersonic free jets.

Item URL in elib:https://elib.dlr.de/48597/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Assessment of Powder-based Seeding Materials for PIV Applications in Transonic, Supersonic and Reacting Flows
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Voges, MelanieUNSPECIFIEDUNSPECIFIED
Klinner, JoachimUNSPECIFIEDUNSPECIFIED
Willert, ChrisUNSPECIFIEDUNSPECIFIED
Beversdorff, ManfredUNSPECIFIEDUNSPECIFIED
Schodl, RichardUNSPECIFIEDUNSPECIFIED
Date:15 May 2007
Journal or Publication Title:PIV'07
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:velocimetry, seeding particles, fluidized bed, PIV, L2F, flow diagnostics
Event Title:7th International Symposium on Particle Image Velocimetry
Event Location:Rome, Italy
Event Type:international Conference
Event Dates:2007-09-11 - 2007-09-14
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation Methods (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology
Institute of Propulsion Technology > Engine Measurement Systems
Deposited By: Voges, Melanie
Deposited On:05 Nov 2007
Last Modified:15 Jan 2010 00:44

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