Abstract
Increasing the Range of Contemporary Artillery Projectiles
Highlights
Extended range and greater accuracy are constant objectives when new ammunition is developed or when existing ammunition is modified
The drag reduction in the case of the projectile with base bleed was up to 20% compared to the standard projectile, and in the case of the hollow base projectile, the drag reduction reaches 8%
The first one is the standard projectile known as 122_ST, the second one is with hollow base shape known as 122_HB and the third type is with base bleed known as 122_BB
Summary
Extended range and greater accuracy are constant objectives when new ammunition is developed or when existing ammunition is modified. Aerodynamic bodies such as projectiles, missiles, and rockets generally, undergo deterioration of flight performance by drag. The second method consists of increasing the pressure behind the projectile. This can be accomplished with injection of a low velocity fluid in the recirculation region directly behind the base. The purpose of this study, is improving the range performance of standard projectile using the hollow base shape and the base bleed unit.
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