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Schanz, Daniel and Geisler, Reinhard and Leclaire, Benjamin and Pruvost, Jacques and Agocs, Janos and Ewald, Selina and Schröder, Andreas (2023) CUBE 2: 3D LPT within transitional backward-facing-step flows. In: Annual Motar Meeting 2023. Annual Motar Meeting 2023, 2023-06-06 - 2023-06-07, Meudon, France.
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Abstract
In this Common Research Project 'CUBE 2' between DLR and ONERA, experiments investigating the transitional flow around two types of geometries (a cubical obstacle and a backward-facing step) were conducted. Two different types of imperfections were studied by 3D Lagrangian Particle Tracking (LPT) experiments. First, the transitional flow downstream of a backward facing step (BFS) of height h=5mm at several Reynolds numbers (Re_h≈850-4150) was investigated. On the other hand, the BFS was replaced by of a small cube (1.5 mm sides). In both cases, the incoming boundary layer was kept laminar, such that a transition occurs in the wake of the step and the cube. This talk presents first results of the BFS case
| Item URL in elib: | https://elib.dlr.de/197258/ | ||||||||||||||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||||||||||||||
| Title: | CUBE 2: 3D LPT within transitional backward-facing-step flows | ||||||||||||||||||||||||||||||||
| Authors: |
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| Date: | 2023 | ||||||||||||||||||||||||||||||||
| Journal or Publication Title: | Annual Motar Meeting 2023 | ||||||||||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||||||||||
| Editors: |
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| Status: | Published | ||||||||||||||||||||||||||||||||
| Keywords: | Transition, Backward facing step, Lagrangian Particle Tracking, Data Assimilation | ||||||||||||||||||||||||||||||||
| Event Title: | Annual Motar Meeting 2023 | ||||||||||||||||||||||||||||||||
| Event Location: | Meudon, France | ||||||||||||||||||||||||||||||||
| Event Type: | Workshop | ||||||||||||||||||||||||||||||||
| Event Start Date: | 6 June 2023 | ||||||||||||||||||||||||||||||||
| Event End Date: | 7 June 2023 | ||||||||||||||||||||||||||||||||
| Organizer: | ONERA, France | ||||||||||||||||||||||||||||||||
| 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: | 28 Nov 2023 15:40 | ||||||||||||||||||||||||||||||||
| Last Modified: | 24 Apr 2024 20:57 |
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