Other
Scientific paper
Feb 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.563...21s&link_type=abstract
Proceedings of the Fifth European Symposium on Aerothermodynamics for Space Vehicles (ESA SP-563). 8-11 November 2004, Cologne,
Other
Scientific paper
This paper describes the preliminary definition of the aerodynamic shape of a reusable booster stage. The partially reusable space transportation system under study consists of dual booster stages, which are attached to the expendable Ariane 5 core (EPC) at an upgraded future technology level. As a basic requirement of the study the overall dimensions and the position of all attachment points of the expendable part are not to be changed from today's data. The paper describes in detail the geometric constraints of the ASTRA booster and the definition process for its preliminary outer aerodynamic shape. It is shown why canards have to be implemented. Finally, the preliminary aerodynamic coefficients are critically assessed with respect to the more sophisticated analysis by CFD and wind tunnel measurements.
Klevanski Josef
Sippel Martin
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