侵彻弹体慢速烤燃响应特性实验研究

doi:10.3969/j.issn.1000-1093.2020.02.010

兵工学报 ›› 2020, Vol. 41 ›› Issue (2): 291-297.doi: 10.3969/j.issn.1000-1093.2020.02.010

侵彻弹体慢速烤燃响应特性实验研究

戴湘晖¹，段建¹，沈子楷¹，王可慧¹，李名锐¹，李鹏杰¹，郑亚峰²，周刚¹

（1.西北核技术研究院强动载与效应实验室，陕西西安 710024； 2.西安近代化学研究所，陕西西安 710065）

收稿日期:2019-04-17 修回日期:2019-04-17 上线日期:2020-04-04
作者简介:戴湘晖(1986—)，男，工程师，博士研究生。E-mail：daixianghui@nint.ac.cn
基金资助:
国家部委重大项目(2019年)

Experiment of Slow Cook-off Response Characteristics of Penetrator

DAI Xianghui¹, DUAN Jian¹, SHEN Zikai¹, WANG Kehui¹, LI Mingrui¹, LI Pengjie¹, ZHENG Yafeng², ZHOU Gang¹

(1.Laboratory of Intense Dynamic Loading and Effect, Northwest Institute of Nuclear Technology, Xi'an 710024, Shaanxi, China;2.Xi'an Modern Chemistry Research Institute, Xi'an 710065, Shaanxi, China)

Received:2019-04-17 Revised:2019-04-17 Online:2020-04-04

摘要/Abstract

摘要： 为考核全尺寸侵彻弹体的慢速烤燃响应特性，利用自行研制的慢速烤燃装置开展了实验。将质量为290 kg的侵彻弹体平放在慢烤箱中以3.3 ℃/h的升温速率缓慢加热，实时采集弹体表面温度曲线并拍摄整个实验过程，测量距弹体质心水平7 m处的反射冲击波峰值超压。实验结果表明：全尺寸侵彻弹体在加热42 h45 min23 s、温度达到约190 ℃时发生燃烧，41 s后发生了更为剧烈的反应，弹体和慢烤箱被炸裂成大块破片；通过反射冲击波超压峰值反推弹体剧烈反应时对应的等效裸露装药当量为4.153 kg，远小于实际装药当量和完全爆轰时的等效裸露装药当量；从加热时间、弹体表面温度、实验现场破坏情况、反射冲击波峰值超压、反应机理等方面综合判断该侵彻弹体的慢速烤燃响应类型为燃烧转爆炸。

关键词: 侵彻弹体, 慢速烤燃, 响应特性, 冲击波超压

Abstract: An experimental device was designed for evaluating the slow cook-off response characteristic of full-scale penetrator. The penetrator with a mass of 290 kg was placed in the slow cook-off oven and slowly heated at a heating rate of 3.3 ℃/h. The surface temperature of penetrator was collected in real time, and the whole experimental process was recorded. The peak value of reflected shock wave overpressure at a distance of 7 m from the mass center of penetrator was measured. The full-scale penetrator burns when it is heated for 42 hours, 45 minutes and 23 seconds and the temperature reaches 190 ℃, a more intense reaction occurs after 41 seconds, and the slow cook-off oven and the penetrator are exploded to form large fragments. The exposed explosive equivalent is deduced to be 4.153 kg from peak value of the reflected shock wave overpressure, which is far less than the actual charge equivalent and the exposed explosive equivalent during full detonation. Based on the analysis of the heating time, the surface temperature of penetrator, the damage on experimental site, the fragments of penetrator, the peak value of reflected shock wave overpressure and the reaction mechanism, the slow cook-off response type of penetrator is judged to be combustion-to-explosion transition.Key

Key words: penetrator, slowcook-off, responsecharacteristic, shockwaveoverpressure

中图分类号:

TJ760.3⁺1

戴湘晖，段建，沈子楷，王可慧，李名锐，李鹏杰，郑亚峰，周刚. 侵彻弹体慢速烤燃响应特性实验研究[J]. 兵工学报, 2020, 41(2): 291-297.

DAI Xianghui, DUAN Jian, SHEN Zikai, WANG Kehui, LI Mingrui, LI Pengjie, ZHENG Yafeng, ZHOU Gang. Experiment of Slow Cook-off Response Characteristics of Penetrator[J]. Acta Armamentarii, 2020, 41(2): 291-297.

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侵彻弹体慢速烤燃响应特性实验研究

Experiment of Slow Cook-off Response Characteristics of Penetrator

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