Abstract

Transverse jets are investigated during planetary atmospheric entry and high speed flight with a view that they are for aero-maneuvering at high enthalpy flows. A two-dimensional transverse-jet interaction is numerically investigated for a particular experimental configuration. CFD++, a commercial Navier-Stokes CFD solver has been used for this purpose. The laminar/turbulent nature of the boundary layer at separation and the free-shear layer downstream of separation are extensively examined utilizing the transitional behavior of Spalart-Allmaras turbulence model. The outcome of this study will be used in an examination of the aero-thermodynamics and surface pressure fields of high enthalpy reacting flow in transverse-jet interaction. Such flows are typically encountered in planetary entry, aerobraking, aero-gravity assisted and exploratory fight at hypersonic velocities. Copyright

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