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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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Abstract
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.
| Document Type: | Conference or Workshop Item (Paper) | ||||||||
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| Title: | Experimental Study of the Dynamic Stability of the Exomars Capsule | ||||||||
| Authors: |
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| Date: | August 2011 | ||||||||
| Journal or Publication Title: | Proceedings of 7th European Symposium on Aerothermodynamics | ||||||||
| Refereed publication: | No | ||||||||
| In SCOPUS: | No | ||||||||
| In ISI Web of Science: | No | ||||||||
| Editors: |
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| Publisher: | ESA Communications | ||||||||
| ISSN: | 1609-042X | ||||||||
| ISBN: | 978 92 9221 256 8 | ||||||||
| Status: | Published | ||||||||
| 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: | Raumfahrt | ||||||||
| HGF - Program Themes: | R EW - Erforschung des Weltraums | ||||||||
| DLR - Research area: | Raumfahrt | ||||||||
| DLR - Program: | R EW - Erforschung des Weltraums | ||||||||
| DLR - Research theme (Project): | R - Projekt ExoMars | ||||||||
| Location: | Köln-Porz | ||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology | ||||||||
| Deposited By: | Sebastian Willems | ||||||||
| Deposited On: | 13 Jan 2012 07:59 | ||||||||
| Last Modified: | 13 Jan 2012 07:59 |
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