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Investigation of aerodynamic interactions between a free-flying and a balance-mounted object

Taguema, Ludovic (2017) Investigation of aerodynamic interactions between a free-flying and a balance-mounted object. Master's, RWTH Aachen.

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The problem of aerodynamic interactions between multiple objects is encountered in both natural and man-made situations. Velocities and trajectories during atmospheric re-entry of meteoroids or space debris are influenced by their relative positions and speeds. The department of Supersonic and Hypersonic Technologies of the German Aerospace Center (DLR) investigates such interactions. Simulations and experiments are carried out to determine the forces, moments, and thermal loads experienced by a secondary body within the shocked region created by a primary one in a hypersonic flow. Experiments using a free flight technique without any sting interferences have been made at the DLR. For validation of the full free flight experimental data, measurements with a free flying object and a fixed second object are performed in this thesis. The fixing allows the measurement of precise data for comparison e.g. forces, moments, pressure or heat fluxes. Simulations using the TAU solver are performed to determine the influence of the fixing system on the measured forces, moments and heat loads, to validate both configurations, and to validate previous simulations.

Item URL in elib:https://elib.dlr.de/117074/
Document Type:Thesis (Master's)
Title:Investigation of aerodynamic interactions between a free-flying and a balance-mounted object
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:29 September 2017
Refereed publication:No
Open Access:No
Number of Pages:75
Keywords:Gasdynamik, Mehrkörperaerodynamik, Bow shock, TAU
Institution:RWTH Aachen
Department:Lehrstuhl für Strömungslehre und Aerodynamisches Institut
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Köln-Porz
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: Seltner, Herr Patrick
Deposited On:14 Dec 2017 08:09
Last Modified:14 Dec 2017 08:09

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