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17th International Symposium on Flow Visualization

Schröder, Andreas and Schanz, Daniel and Gesemann, Sebastian and Huhn, Florian (2016) 17th International Symposium on Flow Visualization. 17th International Symposium on Flow Visualization, 21. Juni 2016, Gatlinburg, Tennessee, USA.

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Official URL: http://isfv.mtu.edu/ocs/index.php/isfv/index/pages/view/lectures

Abstract

Shake-The-Box (STB) is a novel time-resolved 3D Lagrangian particle tracking method for densely seeded flows. The STB algorithm has been developed at DLR Göttingen in the past two years and uses the prediction of 3D particle distributions for each subsequent time-step as a mean to seize the temporal domain for accurate track reconstructions based on time series of particle images from few camera projections. Exploiting the temporal information enables the processing of densely seeded flows (up to and beyond 0.1 particles per pixel with a nearly complete suppression of ghost particles). From resulting 3D acceleration fields the unsteady 3D pressure distributions can be calculated. The STB method has been applied to wall bounded turbulence in air and water and to a m³-scale experiment using Helium–Filled-Soap-Bubbles (HFSB) as tracers. The results demonstrate that with STB valuable data for turbulence characterization with outstanding temporal and spatial resolution especially in (wall bounded) shear flow can be obtained.

Item URL in elib:https://elib.dlr.de/104991/
Document Type:Conference or Workshop Item (Speech)
Title:17th International Symposium on Flow Visualization
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schröder, Andreasandreas.schroeder (at) dlr.deUNSPECIFIED
Schanz, Danieldaniel.schanz (at) dlr.deUNSPECIFIED
Gesemann, Sebastiansebastian.gesemann (at) dlr.deUNSPECIFIED
Huhn, Florianflorian.huhn (at) dlr.deUNSPECIFIED
Date:2016
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Shake-The-Box, turbulence, boundary layer, thermal plume, HFSB
Event Title:17th International Symposium on Flow Visualization
Event Location:Gatlinburg, Tennessee, USA
Event Type:international Conference
Event Dates:21. Juni 2016
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
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Experimental Methods, GO
Deposited By: Bachmann, Barbara
Deposited On:12 Jan 2017 16:22
Last Modified:01 Aug 2017 09:36

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