Abstract
Theme V ISCOUS hypersonic flow over spherically blunted cones of large half angles is calculated at small angles of attack in the plane of symmetry of the flowfield. Time-dependent viscous shock-layer equations in body-oriented coordinates are used to describe the flowfield. The shock wave is treated as a discontinuity, across which the shock relations are used to compute the flow conditions behind the shock. A timedependent second-order finite-difference method is used to solve the equations for a perfect gas. The local CourantFriedrich-Lewy time increment is used to advance the solution in time at each grid point. A fourth-order damping is used to damp the oscillations in the flow quantities. The numerical results of the present analysis for quantities such as shock standoff distance, surface pressure distribution, and heating rates compare well with the existing theoretical and experimental results.
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