Thermochemical non-equilibrium computations for a Mars entry vehicle

Details Thermochemical non-equilibrium computations for a Mars entry vehicle Thermochemical non-equilibrium computations for a Mars entry vehicle

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993thph.confs....k&link_type=abstract

AIAA, Thermophysics Conference, 28th, Orlando, FL, July 6-9, 1993, 8 p.

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Computational Fluid Dynamics, Flow Distribution, Mars (Planet), Nonequilibrium Flow, Reentry Vehicles, Base Flow, Catalysis, Heat Transfer, Navier-Stokes Equation, Recombination Reactions, Thermochemistry

Scientific paper

The complete flow around a proposed Mars entry vehicle is computed using a point-implicit Navier-Stokes method with fully coupled non-equilibrium thermochemistry. The effect of wall catalysis on surface heat transfer rates is studied by use of appropriate wall boundary conditions. Results indicate that heating rates are greatly enhanced by catalytic recombination and highlight the importance of catalysis modelling for highly dissociated flows. Computation of the base region flow is undertaken in order to assess the possibility of shear layer impingement on the aft cover. Heat transfer rates to the aft cover are found to be consistent with the mild heating environment normally associated with such regions.

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