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Electromagnetic launcher based on it hypervelocity projectile of the cannonball has a bright application prospect in military. In this paper, an optimization of the structure of the armature and rails based on velocity skin effect (VSE) and the Short Path Priority (SPP) has been performed by means of the current density distribution of electromagnetic launcher model stimulated by software Maxwell...
The thermal character of the interface between rail and armature significantly affects the launch performance of electromagnetic railguns. In this paper, the friction coefficient between brass and aluminum is discussed; it is found that, under hypervelocity and electrical contact conditions, maintains an order of magnitude of or less, which is smaller than that under normal conditions...
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