A theoretical research of the model shot modernization using high-energy paste-like propellants (PP) as a travelling charge (TC) for a 130 mm caliber installation was carried out. To simulate the shot on the 130 caliber installation, the model parameters were calculated based on the analysis of experimental data obtained on a 30-mm model ballistic installation at the Research Institute of Applied Mathematics and Mechanic at Tomsk State University. It was necessary to assess the possibility of shot modernization at the expense of the TC on the installation of 130 mm caliber. Using the ballistic parameters obtained on the model installation, a parametric study was carried out for a single-segment and two-segment PP, in order to determine the most optimal loading parameters that will increase the muzzle velocity of the projectile. The research was conducted in three stages. At the first stage, the possibility of modernization the shot was tested, in which only one type of PP was used as a PP - PP-2. At the second stage, the possibility of using two segmented PP with a constant mass of the PP-1 retarder was investigated, and at the third stage, the retarder mass increased by 66.7%.

Topics
Projectiles, Propellants, Educational assessment
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