爆轰驱动金属圆筒的能量转换与破片初速模型

doi:10.3969/j.issn.1000-1093.2015.08.007

兵工学报 ›› 2015, Vol. 36 ›› Issue (8): 1417-1422.doi: 10.3969/j.issn.1000-1093.2015.08.007

爆轰驱动金属圆筒的能量转换与破片初速模型

王新颖，王树山，徐豫新，胡赛

(北京理工大学机电学院，北京 100081)

收稿日期:2014-10-23 修回日期:2014-10-23 上线日期:2015-10-16
作者简介:王新颖(1980—)，女，博士研究生
基金资助:
国家“863”计划项目（00404020304）

The Energy Conversion and Fragment Initial Velocity Model of Metal Cylinder Driven by Detonation

WANG Xin-ying, WANG Shu-shan, XU Yu-xin, HU Sai

(School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China)

Received:2014-10-23 Revised:2014-10-23 Online:2015-10-16

摘要/Abstract

摘要： 基于爆轰产物的JWL状态方程和Taylor破裂判据，从能量守恒出发推导了一种考虑膨胀细节的爆轰驱动金属圆筒能量转换与破片初速模型。选用无氧铜、45^#钢和6061铝合金3种材料进行压装TNT炸药驱动的圆筒试验。对比试验的膨胀轨迹与膨胀速度和模型计算结果，表明所建立的爆轰驱动模型综合考虑了炸药-金属系统驱动的膨胀过程和力学性能因素，相比格尼公式只单一考虑炸药爆轰参数的驱动能力，更全面地考虑爆轰驱动影响因素，计算结果更具有针对性和适用性。

关键词: 兵器科学与技术, 爆轰驱动, 状态方程, 能量转换, 破片初速

Abstract: Based on the JWL equation of state of detonation products and Taylor fracture criteria, a model considered the expansion details about energy conversion and fragment initial velocity is derived from conversation of energy. The cylinder tests of three materials, including copper, 45^# steel and 6061 aluminum alloy, driven by TNT explosive are made, and the inflation track and velocity are analyzed. The experimental results show that, by comparing with Gurney formula which is considered only to express the driving ability of the explosion parameter, the proposed model considers the driving factors, inflation process and mechanics function of meta. The result is of pertinence and applicability.

Key words: ordnance science and technology, detonation driven, equation of state, energy conversion, fragment initial velocity

中图分类号:

TJ012.4

王新颖，王树山，徐豫新，胡赛. 爆轰驱动金属圆筒的能量转换与破片初速模型[J]. 兵工学报, 2015, 36(8): 1417-1422.

WANG Xin-ying, WANG Shu-shan, XU Yu-xin, HU Sai. The Energy Conversion and Fragment Initial Velocity Model of Metal Cylinder Driven by Detonation[J]. Acta Armamentarii, 2015, 36(8): 1417-1422.

参考文献

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爆轰驱动金属圆筒的能量转换与破片初速模型

The Energy Conversion and Fragment Initial Velocity Model of Metal Cylinder Driven by Detonation

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