The Effects of Aerodynamic Jump Caused by a Uniform Sequence of Lateral Impulses

Report No. ARL-TR-3206
Authors: Gene R. Cooper
Date/Pages: July 2004; 20 pages
Abstract: The linear theory for spinning projectiles is extended to account for the application of a uniform sequence of lateral square impulses activated during free flight. Analytical results are shown to produce simple contributions to the familiar aerodynamic jump formulation for a single impulse. Inquiries regarding modifications of jump smearing are addressed, and comparative calculations are presented. The formulation shows that an additional jump phase angle and the jump magnitude are changed by a multiplying factor describing the impulse sequence.
Distribution: Approved for public release
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Last Update / Reviewed: July 1, 2004