Roosenboom, Eric and Schröder, Andreas and Agocs, Janos and Geisler, Reinhard (2013) Coherent wake structures for transport aircraft at cargo airdrop configurations including parachutes. AIAA. 31st AIAA Fluid Dynamics and Co-located Conferences and Exhibit, 2013-06-24 - 2013-06-27, San Diego, California, USA. doi: 10.2514/6.2013-2536.
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Official URL: http://arc.aiaa.org | DOI: 10.2514/6.2013-2536
Abstract
Results of two stereoscopic Particle Image Velocimetry (SPIV) measurement campaigns have been post-processed with the snapshot Proper Orthogonal Decomposition (POD) in order to identify coherent structures in the wake of a transport aircraft with its tailgate down and with and without various cargo configurations placed in the wake. These configurations are representative of generic airdrop scenarios. Coherent structures are identified in the wake of the transport aircraft with an open ramp. Significant periodic events are found in the wake of cargo, while including a support plate underneath the cargo suppresses the coherent structures. The influence of the trailing wake of the open ramp and its influence on the coherent wake structures in the cargo wakes are discussed. The snapshot POD also suggests that vortex shedding is present in the wake of a parachute attached to the cargo.
Item URL in elib: | https://elib.dlr.de/78018/ | ||||||||||||||||||||
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Document Type: | Conference or Workshop Item (Speech, Paper) | ||||||||||||||||||||
Additional Information: | DOI: 10.2514/6.2013-2536 | ||||||||||||||||||||
Title: | Coherent wake structures for transport aircraft at cargo airdrop configurations including parachutes | ||||||||||||||||||||
Authors: |
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Date: | 2013 | ||||||||||||||||||||
Refereed publication: | No | ||||||||||||||||||||
Open Access: | No | ||||||||||||||||||||
Gold Open Access: | No | ||||||||||||||||||||
In SCOPUS: | No | ||||||||||||||||||||
In ISI Web of Science: | No | ||||||||||||||||||||
DOI: | 10.2514/6.2013-2536 | ||||||||||||||||||||
Page Range: | pp. 1-16 | ||||||||||||||||||||
Publisher: | AIAA | ||||||||||||||||||||
Series Name: | Conference Proceedings online | ||||||||||||||||||||
Status: | Published | ||||||||||||||||||||
Keywords: | stereoscopic Particle Image Velocimetry (SPIV), Proper Orthogonal Decomposition (POD), transport aircraft, cargo airdrop configurations | ||||||||||||||||||||
Event Title: | 31st AIAA Fluid Dynamics and Co-located Conferences and Exhibit | ||||||||||||||||||||
Event Location: | San Diego, California, USA | ||||||||||||||||||||
Event Type: | international Conference | ||||||||||||||||||||
Event Start Date: | 24 June 2013 | ||||||||||||||||||||
Event End Date: | 27 June 2013 | ||||||||||||||||||||
Organizer: | The American Institute of Aeronautics and Astronautics (AIAA) | ||||||||||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||
HGF - Program: | Aeronautics | ||||||||||||||||||||
HGF - Program Themes: | Aircraft Research (old) | ||||||||||||||||||||
DLR - Research area: | Aeronautics | ||||||||||||||||||||
DLR - Program: | L AR - Aircraft Research | ||||||||||||||||||||
DLR - Research theme (Project): | L - Simulation & Validation (old) | ||||||||||||||||||||
Location: | Göttingen | ||||||||||||||||||||
Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Experimental Methods | ||||||||||||||||||||
Deposited By: | Micknaus, Ilka | ||||||||||||||||||||
Deposited On: | 12 Jul 2013 10:21 | ||||||||||||||||||||
Last Modified: | 24 Apr 2024 19:44 |
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