Self-adaptive Cabin Opening Method Based on Firing Data Error of Shrapnel

doi:10.3969/j.issn.1000-1093.2014.06.008

Abstract

Abstract: In order to increase the impact dispersion accuracy of submunitions, a method of self-adaptive cabin opening is put forward. A trajectory model of submunition is built based on the research on the flight dynamics of spin-stabilized shrapnel. The impact dispersion of subminution is simulated by using this model. According to the errors got from the theoretical and practical trajectory results of a certain ejection point of the shrapnel, the effects of the errors on the impact dispersion of submunition are analyzed through simulation comprehensively. With the help of the simulation results, a shrapnel self-adaptive cabin opening method with modified ejection point is proposed to improve the impact dispersion accuracy of submunition. A modified formula for the best cabin opening point of spin-stabilized shrapnel is deduced. The results show that the method used in this paper can be used to increase the impact dispersion of submunitions by 26.3% in horizontal and 53.8% in vertical.

Key words: ordnance science and technology, shrapnel, self-adaptive cabin pening, accuracy of impact dispersion of submuntion

CLC Number:

TJ414.5

YANG Rui-wei, YIN Yue-qiang, LI Dong-guang, YANG Deng-hong. Self-adaptive Cabin Opening Method Based on Firing Data Error of Shrapnel[J]. Acta Armamentarii, 2014, 35(6): 801-807.

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