Abstract
AbstractOne of the most significant challenges in designing a hyper‐firing‐rate weapon is to balance the interior ballistics behaviors of a multi‐projectile system. This paper proposes a multi‐projectile system with a front nozzle to correct interior ballistic characteristics based on rarefaction wave theory. Firstly, a two‐dimensional two‐phase flow model for the hyper‐firing‐rate weapon is established. Then the application to a standard virtual gun as a benchmark for interior ballistic codes is used to validate the accuracy. In addition, the interior ballistics behaviors of the three‐projectile system without and with the front nozzle are investigated. Finally, the interior ballistics behaviors of the three‐projectile system are corrected by changing the open time of the front nozzle. The results show that the new correction method for the multi‐projectile system reduces the recoil and the pressure while balancing the muzzle velocity. The finding guides future ballistic research on the multi‐projectile system.
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