Abstract
An analytical method is developed for predicting Magnus force and moment coefficients for spinning ogive cylinders, cone cylinders, and conical bodies in laminar compressible flow. The contributions to the Magnus coefficients due to boundary-layer displacement thickness distortion and radial pressure gradient effects are included. The boundary-layer theoretical model, which agrees well with experimental boundary-layer velocity profiles, was obtained by applying a compressibility correction and transformations to the Blasius flat plate solution to account for the effects of body shape, angle of attack, and spin. The Magnus theory is shown to agree favorably with experimental data.
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