Abstract
A method for studying the characteristics of electromagnetic railguns exterior ballistic trajectory is present. For electromagnetic railguns high muzzle velocity and wide range,which make it cover the whole near space, an proper atmospheric environment model and an mathematical model of motion are proposed to describe the railguns exterior ballistic trajectory. By comparing the trajectory performance and velocity variation between electromagnetic railgun and conventional gun, railguns advantage in velocity and range as well as its lethality over conventional gun is testified and its potential application value is shown. Results indicate that electomagnetic railgun has the capability to intercept the missile or other type of military targets, and it is critical to get a tradeoff between mass of projectile and muzzle velocity.
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