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Experimental Study of Turbulent Rayleigh-Bénard Convection using Large-Scale Tomo-PIV and High-Density PTV

Schiepel, Daniel and Herzog, Sebastian and Wagner, Claus (2017) Experimental Study of Turbulent Rayleigh-Bénard Convection using Large-Scale Tomo-PIV and High-Density PTV. In: Turbulence and Interactions, 135, pp. 225-231. Springer. Turbulence and Interactions, Cargèse, Korsika, Frankreich. DOI: 10.1007/978-3-319-60387-2 ISBN 978-3-319-60387-2 ISSN 1612-2909

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Official URL: http://www.springer.com/de/book/978-3-319-60386-5


Flow field measurements of turbulent Rayleigh-Bénard Convection (RBC) in a cubic cell filled with water are performed using Tomographic Particle Image Velocimetry (Tomo-PIV) and a newly developed high-density particle tracking velocimetry (HD-PTV) technique. With these two techniques, the flow field in RBC at a Prandtl number Pr = 6.9 and a Rayleigh number of Ra = 1.0 · 1010 is measured and compared. It is shown that a three-dimensional (3D) large-scale circulation is reflected in a diagonal plane of the sample in both, the vector fields obtained with Tomo-PIV and the particle trajectories resulting from HD-PTV. Additionally, the latter requires 56 times less CPU time and 125,000 times less disk space.

Item URL in elib:https://elib.dlr.de/114848/
Document Type:Conference or Workshop Item (Speech)
Additional Information:Proceedings of the TI 2015 Conference, June 11-14, 2015, Cargèse, Corsica, France; eBook ISBN978-3-319-60387-2
Title:Experimental Study of Turbulent Rayleigh-Bénard Convection using Large-Scale Tomo-PIV and High-Density PTV
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schiepel, Danieldaniel.schiepel (at) dlr.deUNSPECIFIED
Herzog, Sebastiansebastian.herzog (at) dlr.deUNSPECIFIED
Wagner, ClausClaus.Wagner (at) dlr.deUNSPECIFIED
Journal or Publication Title:Turbulence and Interactions
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1007/978-3-319-60387-2
Page Range:pp. 225-231
Deville, Michel O.Lausanne, Switzerland
Couaillier, VincentChâtillon, France
Estivalezes, Jean-LucToulouse,France
Gleize, VincentChâtillon, France
Lê, Thiên HiêpChâtillon, France
Terracol, MarkChâtillon, France
Vincent, StéphaneMarneValley,France
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Keywords:Tomo-PIV, RBC, HD-PTV
Event Title:Turbulence and Interactions
Event Location:Cargèse, Korsika, Frankreich
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Next Generation Train III (old)
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Fluid Systems, GO
Deposited By: Bachmann, Barbara
Deposited On:13 Dec 2017 14:45
Last Modified:13 Dec 2017 14:45

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