Abstract

Analytic results obtained through a recently developed preliminary design code are compared with experimental results. It is found that, especially at transonic speeds, viscous flow effects can severely distort the inviscid unsteady aerodynamic characteristics of typical tactical missile geometries. The different sources for these anomalous viscous effects are described, and the potential danger of using subscale experimental data as the basis for a design code is illustrated by a few well-documented examples.

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