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Aerodynamic optimization of re-entry capsules

Tang, W. and Orlowski, M. and Longo, J.M.A. and Giese, P. (2001) Aerodynamic optimization of re-entry capsules. Aerospace Science and Technology, 5 (1), pp. 15-25.

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Abstract

Methods for aerodynamic design and optimization based on linear theory are not well suited for modelling non-linear phenomenons. Their results only represent approximations of real optima. In the present study a new method based on non-linear theory, i.e. the solution of the Euler/Navier-Stokes equations, has been applied to improve these approximations. The structure of the system as well as the incorporated modules are described. Aerodynamic optimizations of the biconic re-entry capsule with respect to the lift-to-drag ratio, the effective volume and the stability are presented and discussed. The method proves to be a robust and relative efficient tool for aerodynamic design of modern aerospace vehicles. An increase in the performance of computer systems will result in an increase in the efficiency as well. It is shown that the method keeps and sometimes expands the established knowledge base of experienced engineers but reduces the design cycle times significantly.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2002,
Title:Aerodynamic optimization of re-entry capsules
Authors:
AuthorsInstitution or Email of Authors
Tang, W.UNSPECIFIED
Orlowski, M.UNSPECIFIED
Longo, J.M.A.UNSPECIFIED
Giese, P.UNSPECIFIED
Date:2001
Journal or Publication Title:Aerospace Science and Technology
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:5
Page Range:pp. 15-25
Status:Published
Keywords:aerodynamic design, aerodynamic optimization, optimization system, re-entry capsule
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: elib DLR-Beauftragter
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 18:53

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