Abstract
Drive-coils and armature are the pivotal assembly in synchronous induction coil launchers (SICL). In order to improve the electrical-to-kinetic energy conversion efficiency of SICL, optimum structural design of drive-coils and armature are done. The model of optimum design is put forward with regarding the electrical-to-kinetic energy conversion efficiency as the target function based on the electro-mechanical model of SICL. Taking a SICL with 60 millimeter caliber for example, the axial length, the radial thickness and turns of drive-coils, the axial length and the radial thickness of armature are optimally analyzed. The relation between these parameters and the electrical-to-kinetic energy conversion efficiency of SICL is gained, and the optimum design alternative is put forward in this paper at last.
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