快热作用下带壳梯黑铝炸药快速燃烧实验研究

doi:10.3969/j.issn.1000-1093.2017.11.004

摘要/Abstract

摘要： 为了获得快速热作用下铸装梯黑铝炸药热响应特性，并确定光纤探针用于测定熔铸型炸药快速燃烧过程化学反应阵面传播速度的可行性。采用快速加热装置加热钢制圆管，作用于内部梯黑铝炸药，以光纤探针测定炸药化学反应阵面传播速度和轨迹。结果表明：在230 MPa的管体约束强度、开口端加装端盖情况下，装填长度为400 mm的梯黑铝炸药化学反应阵面最大传播速度约为1 000 m/s；开口端未加装端盖时，最高传播速度约为500 m/s；两种情况中炸药都没有发生完全爆轰。因此，快速热作用下带壳铸装梯黑铝炸药热响应状态为快速燃烧，光纤探针能够准确测定小于1 000 m/s的熔铸型炸药化学反应阵面传播速度。

关键词: 兵器科学与技术, 梯黑铝炸药, 快速热作用, 快速燃烧, 光纤探针

Abstract: The fast burning of cast-loaded TNT/RDX/Al explosive with metal shell at fast thermal effect was experimented to obtain its thermal response characteristics and ascertain the feasibility of fiber-optic probe to measure the propagation velocity of chemical reaction front. A fast heating equipment is used to fast heat a steel tube, which is 400 mm in length, filled with cast-loaded TNT/RDX/Al explosve, and the propagation velocity and path of chemical reaction front are measured by using the fiber-optic probe. The result shows that the propagation velocity of chemical reaction front is 200~1 000 m/s when the open end of steel tube is covered with an end cap. Its propagation velocity is 200~500 m/s when the open end is not covered with the end cap. The detonation dosen't happen and the state of chemical reaction is fast burning. So the thermal response state of cast-loaded TNT/RDX/Al explosives at fast heating rate is rapid burning. The fiber-optic probe can be used to obtain the propagation velocity of chemical reaction front at less than 1 000 m/s. Key

Key words: ordnancescienceandtechnology, cast-loadedTNT/RDX/Alexplosive, fastthermaleffect, fastburning, fiber-opticprobe

中图分类号:

TQ564.4⁺2

赵生伟，丁洋，王长利，吴玉蛟. 快热作用下带壳梯黑铝炸药快速燃烧实验研究[J]. 兵工学报, 2017, 38(11): 2105-2110.

ZHAO Sheng-wei, DING Yang, WANG Chang-li, WU Yu-jiao. Experimental Investigation about Fast Burning of TNT-RDX-Al Explosive with Shell at Fast Heating Rate[J]. Acta Armamentarii, 2017, 38(11): 2105-2110.

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