atmospheric reentry dynamics of conic objects

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ID: 140162
2009
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Abstract
One of the key issues in a reentry risk analysis is the calculation of the aerodynamic coefficients. This paper presents a methodology to obtain these coefficients and couple it to a code that computes re-entry trajectories considering six degrees of freedom. To evaluate the different flight conditions encountered during the natural re-entry of conical objects, the Euler Equations for gasdynamics flows are used. A new scheme TVD (Total Variation Diminishing) is incorporated to a finite volume unstructured cell-centred formulation, for application to three-dimensional Euler flows. Finally, numerical results are obtained for a conical body at different attack angles and Mach. With these results, the calculation of the trajectories during atmospheric re-entry is completed.
Reference Key
saldia2009mathematicalatmospheric Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;J. P. Saldia;A. Cimino;W. Schulz;S. Elaskar;A. Costa
Journal journal of power sources
Year 2009
DOI
10.1155/2009/859678
URL
http://dx.doi.org/10.1155/2009/859678
Keywords
civil engineering (general)mathematics engineering (general)

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