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Leveraging time resolved Shake-the-Box to analyze and optimize multi-pulse STB experiments

Godbersen, Philipp and Schanz, Daniel and Jahn, Tobias and Schröder, Andreas (2021) Leveraging time resolved Shake-the-Box to analyze and optimize multi-pulse STB experiments. In: Conference Proceedings, pp. 1-3. ODAS-MOTAR 2021, 15.-16. June 2021, Online-Konferenz.

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Official URL: https://w3.onera.fr/odas/content/home

Abstract

Evaluation of Shake-the-Box (STB) [1] experiments require careful adjustment of parameters in the STB processing chain. This can be challenging for complex measurement setups, especially in multi-pulse STB applications. Apart from the need for optimal parametrization there is also an interest in understanding the tradeoffs undertaken with a specific parameterization and to diagnose possible issues in the measurement setup. Multi-pulse experiments (MP-STB) [2] can pose a bigger challenge for correct parametrization than the time resolved variant (TR-STB), as short tracks are naturally less robust with respect to ghost rejection. A particle that is tracked for hundreds of steps in a time resolved setup is almost certainly a correct one. Based on real experimental data [3], consisting of a challenging MP-STB setup utilizing polarization based image separation, we present an approach to leverage the strength of TR-STB in the analysis and optimization of MP-STB experiments.

Item URL in elib:https://elib.dlr.de/144295/
Document Type:Conference or Workshop Item (Speech)
Title:Leveraging time resolved Shake-the-Box to analyze and optimize multi-pulse STB experiments
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Godbersen, Philippphilipp.godbersen (at) dlr.dehttps://orcid.org/0000-0002-0917-4897
Schanz, Danieldaniel.schanz (at) dlr.dehttps://orcid.org/0000-0003-1400-4224
Jahn, Tobiastobias.jahn (at) dlr.deUNSPECIFIED
Schröder, Andreasandreas.schroeder (at) dlr.dehttps://orcid.org/0000-0002-6971-9262
Date:June 2021
Journal or Publication Title:Conference Proceedings
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-3
Series Name:ODAS-MOTAR 2021 Online
Status:Published
Keywords:Lagrangian Particle Tracking (LPT), Shake-The-Box (STB), Multi Objective Optimization
Event Title:ODAS-MOTAR 2021
Event Location:Online-Konferenz
Event Type:international Conference
Event Dates:15.-16. June 2021
Organizer:ONERA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Efficient Vehicle
DLR - Research area:Aeronautics
DLR - Program:L EV - Efficient Vehicle
DLR - Research theme (Project):L - Virtual Aircraft and  Validation
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Experimental Methods, GO
Deposited By: Micknaus, Ilka
Deposited On:10 Dec 2021 08:19
Last Modified:10 Dec 2021 08:19

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