INFORMATION AND CONTROL ENGINEERING LABORATORY

ADVANCED BALLISTIC CONTROL ACTUATION SCHEMES
DESCRIPTION
The goal of this project is to provide a clear picture of the relationship between controls, aerodynamics and flight performance of fixed-trim guided munitions. The core of the project involves the investigation of the underlying aerodynamics through the creation of computational fluid dynamic (CFD) models of various configurations. The 5 inch diameter, 26 inch long spin stabilized artillery projectiles under investigation operate in both transonic and supersonic flight regimes and exhibit dynamics sensitive to the spin induced boundary layer displacement, known as the Magnus effect. These flowfield characteristics require careful modeling which pushes the limits of current CFD capabilities. The relationship between the aerodynamic characteristics and dynamic behavior of fixed-trim control actuation schemes is investigated through use of dynamic models.

PRINCIPAL INVESTIGATORS
E. Feron, G. Covert

RESEARCH ASSISTANTS
S. George (segeorge@mit.edu) and A.M. Budge (ambudge@mit.edu)

LINKS
C.S. Draper Laboratory
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Submitted by ambudge@mit.edu on August 18, 1997