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Feasibility of particle image velocimetry for low-speed unconventional vapor flows

Head, Adam and Novara, Matteo and Gallo, Mauro and Schrijer, Ferdinand and Colonna, Piero (2019) Feasibility of particle image velocimetry for low-speed unconventional vapor flows. Experimental Thermal and Fluid Science, 102 (4), 589 - 594. Elsevier. doi: 10.1016/j.expthermflusci.2018.10.028. ISSN 0894-1777.

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Official URL: https://doi.org/10.1016/j.expthermflusci.2018.10.028


This work assesses the feasibility of the planar PIV technique to study the characteristics of a siloxane vapor D4. Titanium dioxide (TiO_2) seeding particles were used to track the motion around a rotating disk in a low speed flow. Vector fields of natural convection (NC) and a superposition of NC and rotating flow were selected as exemplary cases. The particles were capable of tracing the flow since the calculated Stokes number St is 6.5 10 × ^5. The quality of the experimental data is assessed by means of particle seeding density and particle image Signal to Noise ratio (S/N). The final results are deemed acceptable for an accurate assessment of the flow field. Rejected outliers are below 2.3% and the relative uncertainties corresponding to the average velocity fields are below 1%.

Item URL in elib:https://elib.dlr.de/127063/
Document Type:Article
Additional Information:April 2019, Available online 02 November 2018 Paper DOI: 10.1016/jexpthermflusci.2018.10.028
Title:Feasibility of particle image velocimetry for low-speed unconventional vapor flows
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Novara, Matteomatteo.novara (at) dlr.deUNSPECIFIED
Gallo, Mauronholland University of Applied Sciences, Rotterdamseweg 141, 2628AL Delft, The NetherlandsUNSPECIFIED
Schrijer, FerdinandTU DelftUNSPECIFIED
Colonna, PieroTU DelftUNSPECIFIED
Journal or Publication Title:Experimental Thermal and Fluid Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.expthermflusci.2018.10.028
Page Range:589 - 594
Keywords:Siloxane fluids, Low speed rotating organic vapor flow, Particle image velocimetry, Seeding technique
Institution:Deutsches Zentrum für Luft- und Raumfahrt e.V.
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation (old)
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Experimental Methods, GO
Deposited By: Micknaus, Ilka
Deposited On:10 Apr 2019 03:45
Last Modified:06 Sep 2019 15:25

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