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Parametric Study on the Interior Ballistics of 105 and 155 mm Artillery Guns

Vincent Tanguay

Open publisher page 1 citations

Abstract

The interior ballistics code IBHVG2 was used to calculate the muzzle velocity and peak acceleration of projectiles ranging in mass from 10 to 50 kg. The simulations were performed with both 105 and 155 mm guns. These were the C3 and LG1 (105 mm and 52-calibre M777 were also considered. Three propellants were investigated: the triple base M31, and two composite propellants, JA2 and the developmental propellant LCT. For ever gun-propellant- projectile combination, the propelling charge mass and grain geometry (web) were optimized. The web was optimized to match the maximum breech pressure of the gun while the charge mass was optimized according to two different criteria: projectile travel at burn-out and peak muzzle velocity. The results provide a good overview of the performance of conventional artillery systems.

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What this paper is about

The interior ballistics code IBHVG2 was used to calculate the muzzle velocity and peak acceleration of projectiles ranging in mass from 10 to 50 kg. The simulations were performed with both 105 and 155 mm guns. These were the C3 and LG1 (105 mm and 52-calibre M777 were also considered. Three propellants were investigated: the triple base M31, and two composite propellants, JA2 and the developmental propellant LCT. For ever gun-propellant- projectile combination, the propelling charge mass and grain geometry (web) were optimized. The web was optimized to match the maximum breech pressure of the gun while the charge mass was optimized according to two different criteria: projectile travel at burn-out and peak muzzle velocity. The results provide a good overview of the performance of conventional artillery systems.

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Available abstract

The interior ballistics code IBHVG2 was used to calculate the muzzle velocity and peak acceleration of projectiles ranging in mass from 10 to 50 kg. The simulations were performed with both 105 and 155 mm guns. These were the C3 and LG1 (105 mm and 52-calibre M777 were also considered. Three propellants were investigated: the triple base M31, and two composite propellants, JA2 and the developmental propellant LCT. For ever gun-propellant- projectile combination, the propelling charge mass and grain geometry (web) were optimized. The web was optimized to match the maximum breech pressure of the gun while the charge mass was optimized according to two different criteria: projectile travel at burn-out and peak muzzle velocity. The results provide a good overview of the performance of conventional artillery systems.

Key concepts: Propellant, Muzzle velocity, Projectile, Artillery, Muzzle, Internal ballistics, Ballistics, Aerospace engineering

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