Experimental Data in Support of a Magnetic-Guideway/Guided-Projectile System Concept for Aeroballistic Ranges.

摘要

Two types of experiments have been conducted to determine adequacy of theory relative to a previously reported system concept for the incorporation of magnetic projectile guidance into aeroballistic ranges. The concept is based on motion-induced electrodynamic interactions between conductive material in the forebody of projectiles and a guideway of field source currents. By using a rotating machinery apparatus, one set of experiments was conducted to simulate the interaction between a projectile forebody and the guideway currents to the extent that predicted positional forces could be measured. These forces which are intended to act toward the guideway axis as a function of lateral forebody position were in agreement with theory. Through use of a pendulum apparatus, another set of experiments was conducted to simulate interactions to the extent that predicted damping forces as needed for retardation of lateral forebody motion could be measured. Again, the results were in agreement with theoretical predictions. (Author)