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Experimental studies on a liquid fly-back-booster configuration (LFBB) in wind tunnels

Tarfeld, Frank (2003) Experimental studies on a liquid fly-back-booster configuration (LFBB) in wind tunnels. AIAA 12st Space Planes and Hypersonic Systems and Technologies Conference, 2003-12-15 - 2003-12-19, Norfolk, Virginia (USA).

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Abstract

In the frame of German future space transportation technology and research program ASTRA a concept of a reusable winged liquid fly-back booster (LFBB) is under investigation. It has two booster stages attached to the expendable Ariane 5 core stage. During the first phase of the study several empirical and numerical analysis methods were used with respect to the configuration definition. The subsequent design loop required a more detailed investigation including wind tunnel measurements along the complete trajectory from separation at hypersonic speeds down to the subsonic fly-back cruise regime. Tests were performed not only creating a complete aerodynamic data set for trim and balance in longitudinal motion but also achieving a deeper understanding of the characteristics of the flow field of this vehicle including the influence between the canards and the wing. Measurements were carried out in the DLR trisonic wind tunnel TMK (0.5 < Ma < 4) and the hypersonic wind tunnel H2K (Ma = 6.0 and Ma = 7.0). The model angle of attack was varied from -2° to +8° and from -2° to +38° in TMK and H2K respectively. The angle of side slip was varied between 0° and 5°.

Document Type:Conference or Workshop Item (Paper)
Title:Experimental studies on a liquid fly-back-booster configuration (LFBB) in wind tunnels
Authors:
AuthorsInstitution or Email of Authors
Tarfeld, FrankUNSPECIFIED
Date:December 2003
Editors:
EditorsEmail
AIAA, UNSPECIFIED
Status:Published
Keywords:Experimental study, LFBB, TMK, H2K
Event Title:AIAA 12st Space Planes and Hypersonic Systems and Technologies Conference
Event Location:Norfolk, Virginia (USA)
Event Type:international Conference
Event Dates:2003-12-15 - 2003-12-19
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignement
DLR - Research area:Space
DLR - Program:W - no assignement
DLR - Research theme (Project):W -- no assignement (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: Christine Adams
Deposited On:07 Dec 2005
Last Modified:27 Apr 2009 04:41

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