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- W4312587243 abstract "The chamber explosion caused by propellant charge is essentially the large-scale fragmentation of the propellant charge at the projectile bottom, and the inter-granular compression stress is crucial to the fragmentation. In order to figure out the influence of propellant charge structures on the inter-granular compression stress between propellant particles, an interior ballistic twophase flow model and simulation system is established with a large caliber howitzer as the research object. Then the effects of ignition hole diameter, hole breaking pressure, arc thickness and charge amount on the inter-granular compression stress between propellant particles are studied respectively. The results show the significant effects of arc thickness and charge amount on the inter-granular compression stress between propellant particles, but the little effect of ignition hole diameter and hole breaking pressure. By improving the aforementioned propellant charge structure, the inter-granular compression stress can be effectively reduced by more than 5%while the original ballistic performance is guaranteed. The method presented in this paper provides a certain theoretical basis for improving the launch safety of the propellant charge." @default.
- W4312587243 created "2023-01-05" @default.
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- W4312587243 date "2022-01-01" @default.
- W4312587243 modified "2023-09-30" @default.
- W4312587243 title "Influence of propellant charge structure parameters on the intergranular compression stress at projectile bottom" @default.
- W4312587243 doi "https://doi.org/10.1049/icp.2022.2008" @default.
- W4312587243 hasPublicationYear "2022" @default.
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