P. Van Hauwaert, M. Spel, S. Galera, J. Annaloro, P. Omaly

DOI Number XXX-YYY-ZZZ

Conference Number HiSST-2022-0226

Risk assessment of uncontrolled debris re-entering the atmosphere depends on various parameters among which drag and heat rates play a major role. However, those parameters cannot be computed with high fidelity methods such as CFD (Computational Fluid Dynamics) within a reasonable time frame for a full earth re-entry. Thus, correlations are usually used in spacecraft demise codes that use the object-oriented paradigm. However, correlations have often been derived in the 60s for non-destructive re-entry. In this paper, a new methodology to compute drag forces and heat rates for destructive re- entry in the continuum regime, for a large range of geometry is presented. The models are based on CFD computations. The method is applied to complex shape for implementation in the object-oriented code DEBRISK v3.

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In Categories: High-Speed Aerodynamics and Aerothermodynamics, HiSST 2022
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