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Experimental and Numerical Investigation of the Flow Topology During Airdrop Operations

Geisbauer, Sven and Schade, Niko and Enk, Stephan and Schmidt, Hauke and Arnold, Jürgen (2011) Experimental and Numerical Investigation of the Flow Topology During Airdrop Operations. 21st AIAA Aerodynamic Decelerator Systems Technology Conference, 23.-26. Mai 2011, Dublin, Irland.

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Official URL: http://arc.aiaa.org/doi/abs/10.2514/6.2011-2565


This paper reviews experimental and numerical simulations of the dropping of simplified cargo supplies from a generic military transport aircraft carried out at DLR. Aiming at developing a well-validated process chain to accurately compute the trajectories and attitudes of airdropped cargo supplies in the proximate vicinity of the aircraft, extensive low-speed wind tunnel tests were conducted as a means to validate the numerical simu- lation. A simulation environment was established, coupling unsteady Navier-Stokes CFD methods with multi-body simulation methods, allowing for the precise computation of the time-dependent aerodynamic and ight mechanic behaviour of an airdropped supply. A comparison of selected results between the numerically simulated airdrop and the wind tunnel data is presented.

Document Type:Conference or Workshop Item (Speech)
Title:Experimental and Numerical Investigation of the Flow Topology During Airdrop Operations
AuthorsInstitution or Email of Authors
Geisbauer, Svensven.geisbauer@dlr.de
Schmidt, Haukehauke.schmidt@dlr.de
Date:May 2011
Refereed publication:No
Keywords:CFD, TAU, MKS, SIMPACK, Lastabsetzen, Simulation, Kopplung, gekoppelte Simulation
Event Title:21st AIAA Aerodynamic Decelerator Systems Technology Conference
Event Location:Dublin, Irland
Event Type:international Conference
Event Dates:23.-26. Mai 2011
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 - Flight Physics
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Transport Aircraft
Institute of Aeroelasticity > Aeroelastic Simulations
Deposited By: Sven Geisbauer
Deposited On:05 Aug 2011 12:05
Last Modified:09 Feb 2015 10:03

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