Laminar and turbulent flow solutions with radiation and ablation injection for Jovian entry

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Atmospheric Entry, Galileo Probe, Jupiter Atmosphere, Laminar Flow, Radiative Heat Transfer, Turbulent Flow, Ablation, Aerodynamic Heating, Axisymmetric Bodies, Finite Difference Theory, Heat Shielding, Phenols

Scientific paper

Laminar and turbulent flow-field solutions with coupled carbon-phenolic mass injection are presented for the forebody of a probe entering a nominal Jupiter atmosphere. Solutions are obtained for a 35-degree hyperboloid and for a 45-degree spherically blunted cone using a time-dependent, finite-difference method. The radiative heating rates for the coupled laminar flow are significantly reduced as compared to the corresponding no-blowing case; however, for the coupled turbulent flow, it is found that the surface radiative heating rates are substantially increased and often exceed the corresponding no-blowing values. Turbulence is found to have no effect on the surface radiative heating rates for the no-blowing solutions. The present results are compared with the other available solutions, and some additional solutions are presented.

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