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Experimental Study of the Dynamic Stability of the Exomars Capsule

Gülhan, Ali and Klevanski, Josef and Willems, Sebastian (2011) Experimental Study of the Dynamic Stability of the Exomars Capsule. In: Proceedings of 7th European Symposium on Aerothermodynamics. ESA Communications. 7th European Symposium on Aerothermodynamics, 9.-12. Mai 2011, Brügge, Belgien. ISBN 978 92 9221 256 8. ISSN 1609-042X.

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Damping derivatives of the Exomars capsule have been measured using free oscillation technique in the Trisonic Windtunnel TMK. A cross flexure instrumented with strain gauges measured the dynamic motion of the model in a Mach number range from 1.8 to 3.5. Reynolds number and angle of attack of the capsule were also varied during experiments. The results show a strong dependency of damping derivatives on the Mach number and angle of attack. Compared to the laminar flow on the smooth surface roughness induced transition seems to effect the dynamic stability of the vehicle remarkably.

Item URL in elib:https://elib.dlr.de/73953/
Document Type:Conference or Workshop Item (Paper)
Title:Experimental Study of the Dynamic Stability of the Exomars Capsule
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Gülhan, AliAli.Guelhan (at) dlr.deUNSPECIFIED
Klevanski, JosefJosef.Klevanski (at) dlr.deUNSPECIFIED
Willems, Sebastiansebastian.willems (at) dlr.deUNSPECIFIED
Date:August 2011
Journal or Publication Title:Proceedings of 7th European Symposium on Aerothermodynamics
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iD
Publisher:ESA Communications
ISBN:978 92 9221 256 8
Keywords:EXOMARS, damping derivative, dynamic stability, capsule
Event Title:7th European Symposium on Aerothermodynamics
Event Location:Brügge, Belgien
Event Type:international Conference
Event Dates:9.-12. Mai 2011
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Projekt ExoMars (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: Willems, Sebastian
Deposited On:13 Jan 2012 07:59
Last Modified:31 Jul 2019 19:34

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