Research on Combustion Performance of Small-bore Molded Combustible Cartridge Case and Charge

doi:10.3969/j.issn.1000-1093.2015.08.008

Abstract

Abstract: In order to improve the burning-off property, a small-bore combustible cartridge cases with energetic fibers are manufactured by using pulp molding method. The combustion performance and mechani-cal property of small-bore combustible cartridge case and the energy discharge function of combustible small-bore cartridge case charge are analyzed by experimental measurement. The results show that the small-bore combustible cartridge case with energetic fibers is beneficial to increase the burning rate, shorten the constant volume combustion time, and improve the burn-off property and ballistic property. The impetus of the mixed charge declines and burning rate increases with the increase in CCC . Compared to the mixed charge of combustible cartridge case and 4/7 single base propellants, the small-bore combustible cartridge case with 7/19 single base propellants is more reasonable, the charge energy decline lightly and the energy can be released sufficiently.

Key words: ordnance science and technology, combustible cartridge case, energetic fiber, charge, combustion performance

CLC Number:

TJ410.3⁺66

ZOU Wei-wei, HAO Xiao-qin, ZHANG Zhi-yong, DANG Hai-yan, ZHOU Wei-liang. Research on Combustion Performance of Small-bore Molded Combustible Cartridge Case and Charge[J]. Acta Armamentarii, 2015, 36(8): 1423-1429.

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