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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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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.

Item URL in elib:https://elib.dlr.de/12819/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004, monograph_id=AIAA Paper 2003 - 7055,
Title:Longitudinal Stability and Trim of an Ariane 5 Fly-Back Booster
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:AIAA Online Proceedings
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Space transportation, Ariane 5, booster, subsonic aerodynamics, transonic aerodynamics, supersonic aerodynamics, hypersonic aerodynamics
Event Title:AIAA 12st Space Planes and Hypersonic Systems and Technologies Conference, Norfolk (usa), 15.-19.12.2003
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Grundlagen Raumtransport - Anlagen und Messtechnik (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Grant, Claudia
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:32

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