Recoil Reduction Method of Gun with Side to Rear Jet Controlled by Piston Motion

Abstract

Excessive recoil severely restricts the loading of high-power traditional guns on modern vehicles. To reduce the recoil without breaking the continuous firing mode and reducing the projectile velocity, a recoil reduction method that controls the lateral ejecting of propellant gas by a piston was proposed. The recoil reduction device is symmetric about the barrel axis. First, a one-dimensional two-phase flow model of interior ballistic during the gun firing cycle was established. Next, the MacCormack scheme was used to simulate, and the piston motion was gained. Then the propagation of the rarefaction wave in the barrel was presented. Finally, the propulsion difference between the piston-controlled gun and the traditional gun was discussed. The results showed that the recoil momentum was reduced by 31.80%, and the muzzle velocity was decreased by just 1.30% under the reasonable matching of structural parameters.

Numerical Simulation of the Two-phase Flow of a Constant-pressure Rear-spray Low Recoil Weapon with Two Chambers

“…Kathe [4] proposed expansion wave artillery using the gunpowder gas in the chamber after spraying balance recoil, cannot affect the initial speed of the projectile without affecting the recoil momentum of the recoil, but because the gunpowder gas directly from the rear of the body tube spray, the rear spray device cannot be reused, so it is difficult to achieve continuous weapon shooting. Qiu [5], Si [6] and others proposed a lateral back-spraying sparse wave reduction recoil control method, which controls the opening of the lateral rear-spraying device by cleverly designing the back-spray trigger device associated with the projectile movement, while achieving the effect of reducing recoil, the initial speed of the projectile is not reduced and continuous shooting is achieved, but the gunpowder gas energy that can be used to reduce recoil is limited, and its recoil reduction efficiency is generally not more than 45%.…”

Launching Process Analysis of Aircraft Gun with Closed Type Gas Reflection Device

“…However, the complex muzzle flow structure has a great influence on the attitude of the projectile, thus decreasing the firing accuracy. Besides the muzzle brake, other solutions such as the Davis gun [9], the recoilless gun [10-13], rarefaction wave gun [14-16] and reversely jet low recoil gun [17][18][19][20][21] have been developed for decreasing the recoil force. The Davis gun is open at both ends and loaded in the middle.…”

Research on Vibration Control of Paired Inclined Nozzles Dynamic Coupled Tubes

“…With its advantages such as high rate of fire, low cost, good firepower mobility, and quick response, it has become an essential weapon in the modern battlefield. Limited by its structure and launch method [1][2], the barrel will vibrate violently during continuous shooting, which seriously affects the shooting accuracy. The vibration of the barrel directly affects the shooting performance of the weapon.…”