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Longitudinal Stability and Trim of an Ariane 5 Fly-Back Booster

Eggers, T. (2003) Longitudinal Stability and Trim of an Ariane 5 Fly-Back Booster. In: AIAA Online Proceedings. AIAA 12st Space Planes and Hypersonic Systems and Technologies Conference, Norfolk (usa), 15.-19.12.2003.

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Kurzfassung

As the winged liquid fly-back booster (LFBB) is one of the partially reusable space transportation systems considered within the German future space launcher technology research program ASTRA. The regarded system consists of two booster stages, which are attached to the expendable Ariane 5 core stage at an upgraded future technology level. The main area of interest of the presented aerodynamic study is the return flight after the staging procedure which dominates the layout of the LFBB. The present paper discusses the aerodynamic refinement of an existing LFBB design, focussing on its longitudinal stability and trim. Detailed aerodynamic parameter studies are performed based on Euler calculations. Force measurements and selected Navier-Stokes simulations confirm this approach. They point out that a LFBB configuration may be designed primarily based on Euler simulations. The discussion of the numerical results and their comparison with experimental results shows that it is possible to adapt the originally given LFBB proposal in a way that it allows a nearly indifferent flight along the complete return trajectory and that it additionally enables a very robust trim behaviour.

Dokumentart:Konferenzbeitrag (Paper)
Zusätzliche Informationen: LIDO-Berichtsjahr=2004, monograph_id=AIAA Paper 2003 - 7055,
Titel:Longitudinal Stability and Trim of an Ariane 5 Fly-Back Booster
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Eggers, T.NICHT SPEZIFIZIERT
Datum:2003
Erschienen in:AIAA Online Proceedings
Status:veröffentlicht
Stichwörter:Space transportation, Ariane 5, booster, subsonic aerodynamics, transonic aerodynamics, supersonic aerodynamics, hypersonic aerodynamics
Veranstaltungstitel:AIAA 12st Space Planes and Hypersonic Systems and Technologies Conference, Norfolk (usa), 15.-19.12.2003
Veranstalter :AIAA
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W RP - Raumtransport
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W RP - Raumtransport
DLR - Teilgebiet (Projekt, Vorhaben):W - Grundlagen Raumtransport - Anlagen und Messtechnik (alt)
Standort: Köln-Porz , Braunschweig , Göttingen
Institute & Einrichtungen:Institut für Aerodynamik und Strömungstechnik
Hinterlegt von: Claudia Grant
Hinterlegt am:31 Jan 2006
Letzte Änderung:14 Jan 2010 19:32

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