Abstract
Effects of viscous interaction are investigated for hypersonic flow over slender axisymmetric bodies. The entire range of interaction, from weak to strong, is considered. Extensive numerical results are given for the self-similar flow over a fpower-law body. These results are correlated and used in a local similarity procedure for finding viscous interaction over arbitrary slender body shapes. Analytical expressions are derived for weak interaction on a cone and strong interaction on all slender bodies. Numerical solutions needed for the intermediate interaction regime are obtained for hypersonic flow over a cone. Results are presented for cone surface pressure, shear, heat transfer, drag, and displacement thickness in all interaction regimes. The drag data are in agreement with available experimental cone drag data. This analytical development is a unified treatment of viscous interaction effects on two-dimensional as well as axisymmetric bodies.
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