Abstract
N simulation of supersonic and hypersonic flows over arbitrary geometries at moderate angles of attack is presented in this paper. The different geometries considered for analysis include a sphere-cone-cylinder-flare, a blunt-nosed inlet, and a 7-deg half-angle spherically blunted cone. The three-dimensional flowfields over these geometries are analyzed by a parabolized Navier-Stokes code (HYTAC) and a new viscous shock-layer code (VSLET), and the results are compared. Both laminar and turbulent flowfield results for both perfect gas and equilibrium air are presented. In general the surface pressure distributions are in good agreement, whereas the heat-transfer results differ depending on the differencing scheme used in the calculation of gradients and turbulent modeling. Aerodynamic force and moment coefficients are presented for some typical cases.
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