Magnetic Field Expulsion From a Conducting Projectile in a Pulsed Serial Augmented Railgun

The bore of a railgun is a harsh environment with high transient magnetic fields, temperature gradients, and forces. Most common payloads in railgun launch are made from conductive materials. In this article, we consider the effects of the transient magnetic field on a conducting payload during an electromagnetic launch by a serial augmented hexagonal railgun. The magnetic field distribution in the proximity of a solid aluminum payload was investigated by numerical calculations and experimentally by using a CMR-B-scalar sensor array.