Comparative Experimental Study of Anti-explosion Performance of Compound Protective Liquid Cabin

doi:10.3969/j.issn.1000-1093.2018.12.018

Abstract

Abstract: The liquid cabin with multi-layer protective structure plays an important role in defending the loadings of combined high-speed fragments and blast wave, which are usually due to the close-in explosion of a cast charge, and cause severe damage to the structure of liquid cabin. A new composite structure of liquid cabin is designed based on the dynamic response characteristics and failure mode of liquid cabin under the synergistic effect of high-speed fragments and blast wave. In order to investigate the anti-blast performance of composite liquid cabin, the traditional liquid cabin and newly designed composite liquid cabin are experimentally test under the blast load of cased charge. The fragment velocity, bulkhead deformation, perforation size, strain and shock wave pressure are obtained. The experimental data are analyzed and compared.It is found that, in the composite liquid cabin, the maximum deformations of front and rear bulkheads are decreased by 22.78% and 8.47%, respectively, the plastic strain is decreased by 30%, and the shock wave peak is decreased by 18.62%. Key

Key words: compositeprotectiveliquidcabin, blastwave, highspeedfragment, protectiveeffect, anti-explosionperformance, comparativeexperiment

CLC Number:

O383⁺.1

KONG Xiang-shao， WANG Xu-yang， XU Jing-bo ， ZHENG Cheng， XU Shuang-xi, YUAN Tian, WU Wei-guo. Comparative Experimental Study of Anti-explosion Performance of Compound Protective Liquid Cabin[J]. Acta Armamentarii, 2018, 39(12): 2438-2449.

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第39卷第12期
2018 年12月兵工学报ACTA
ARMAMENTARIIVol.39No.12Dec. 2018