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

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Authors
  1. Tanguay, V.
Corporate Authors
Defence R&D Canada - Valcartier, Valcartier QUE (CAN)
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 the M777 (155 mm). For comparison purposes, extended length 52-calibre LG1 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 every 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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Report Number
DRDC-VALCARTIER-TM-2007-350 — Technical Memorandum
Date of publication
01 Mar 2008
Number of Pages
62
DSTKIM No
CA030524
CANDIS No
529095
Format(s):
CD ROM

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