钛基纤维炸药水下爆炸性能的初步分析

陈海军; 马宏昊; 沈兆武; 王波; 杨明; 崔宇

doi:10.11883/bzycj-2017-0155

钛基纤维炸药水下爆炸性能的初步分析

doi: 10.11883/bzycj-2017-0155

陈海军¹,
马宏昊^{1, 2, ,},
沈兆武¹,
王波¹,
杨明¹,
崔宇¹

1.
中国科学技术大学中国科学院材料力学行为和设计重点实验室，安徽合肥 230026
2.
中国科学技术大学火灾科学国家重点实验室，安徽合肥 230026

基金项目:

国家自然科学基金项目 51674229

国家自然科学基金项目 51374189

中国科学技术大学重要方向培育基金项目 WK2480000002

详细信息

作者简介:
陈海军(1993—)，男，硕士研究生

通讯作者:
马宏昊, hhma@ustc.edu.cn

中图分类号: O382.1
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- 被引次数: 0
出版历程
- 收稿日期: 2017-05-04
- 修回日期: 2017-10-09
- 刊出日期: 2018-01-25

Preliminary analysis of underwater detonation performance of titanium fiber explosive

CHEN Haijun¹,
MA Honghao^{1, 2
, ,},
SHEN Zhaowu¹,
WANG Bo¹,
YANG Ming¹,
CUI Yu¹

1.
CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230026, Anhui, China
2.
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, Anhui, China

摘要

摘要: 通过爆炸压力时程曲线分析含钛纤维炸药的压力峰值、水下比冲击波能、比气泡能、质量能量及能量密度变化趋势，通过对所得能量结果分析钛纤维炸药的化学反应过程。结果表明：含钛纤维炸药的压力峰值、比冲击波能随钛纤维含量的提高而降低，比气泡能随钛纤维含量的提高而增大，质量能量及能量密度都随钛纤维含量的提高而增大。随距离的增大，钛纤维炸药压力峰值衰减比RDX的慢，而不同钛纤维含量的钛纤维炸药的比冲击波能、比气泡能在不同距离处随钛纤维含量变化趋势基本一致。根据炸药反应释放的总比能量进行理论分析，得出钛纤维炸药爆炸反应方程式。
- 钛纤维炸药 /
- 水下爆炸 /
- 总比能量 /
- 能量密度
Abstract: In this study we examined the changing tendency of the shock wave energy, bubble energy, total energy per unit mass and the total energy per unit volume by analysis of the pressure-time curves, and analyzed the chemical reaction process of the Ti fiber explosive through the total energy per unit mass. The results show that the peak pressure and the shock wave energy of the Ti fiber explosive per unit decreases as the Ti fiber content increases, the bubble energy per unit mass increases with the increase of the Ti fiber content, the total energy per unit mass and its energy density increase with the increase of the Ti fiber content. With the increase of the distance between the sensor and explosive, the rate of the Ti fiber explosive's peak pressure decay is slower than that of RDX, while the tendency of the shock wave energy and the bubble energy per unit mass with different contents of the Ti fiber explosive is basically in keeping with the increase of the distance. The chemical reaction process of the Ti fiber explosive was also obtained through the total energy per unit mass.
- titanium fiber explosive /
- underwater detonation /
- total energy per unit mass /
- total energy per unit volume

HTML全文

图 1 钛纤维和铝壳包覆的钛纤维炸药

Figure 1. Ti fiber and Ti fiber explosive coated by aluminum shell

下载: 全尺寸图片幻灯片

图 2 水下爆炸测量系统布局图

Figure 2. System of underwater explosions

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图 3 实验得到的钛纤维炸药水下冲击波压力时程曲线

Figure 3. History of pressure for underwater shock wave of Ti-fiber explosive by experiment

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图 4 钛纤维炸药水下爆炸压力对数时程曲线

Figure 4. History of logarithmic pressure for underwater explosion of Ti-fiber explosive

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图 5 钛纤维炸药水下爆炸压力时程拟合曲线

Figure 5. Fitted history of pressure for underwater shock wave of Ti-fiber explosive

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图 6 钛纤维炸药压力峰值与钛纤维质量分数关系

Figure 6. Relationship between the shock wave peak pressure and the mass fraction of Ti fiber

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图 7 比冲击波能与钛纤维质量分数关系

Figure 7. Relationship between the shock wave energy per unit mass and the mass fraction of Ti fiber

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图 8 比气泡能与钛纤维质量分数关系

Figure 8. Relationship between the bubble energy per unit mass and the mass fraction of Ti fiber

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图 9 总比能量与钛纤维质量分数关系

Figure 9. Relationship between the total energy per unit mass and the mass fraction of Ti fiber

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图 10 能量密度与钛纤维质量分数关系

Figure 10. Relationship between the energy per unit volume and the mass fraction of Ti fiber

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表 1 含钛纤维炸药配方

Table 1. The formulation of Ti fiber explosive

序号	φ/%
序号	RDX	Ti	wax
1	95	0	5
2	95	5	0
3	90	10	0
4	85	15	0

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表 2 含钛纤维炸药在不同距离处各质量分数下的压力峰值

Table 2. The peak pressure of Ti-fiber explosive at different distances and different mass fraction

R/m	p_m/MPa
R/m	φ(Ti)=0%	φ(Ti)=5%	φ(Ti)=10%	φ(Ti)=15%
1.0	8.76	7.21	6.91	6.75
1.2	6.57	6.41	6.29	6.23

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表 3 含钛纤维炸药在不同距离处各质量分数下的压力峰值降低百分比

Table 3. Percentage reduction in peak pressure of Ti-fiber explosive at different distances and different mass fraction

R/m	(p_m⁽⁰⁾-p_m^(5%))/p_m⁽⁰⁾	(p_m^(5%)-p_m^(10%))/p_m^(5%)	(p_m^(10%)-p_m^(15%))/p_m^(10%)
R/m	φ(Ti)=5%	φ(Ti)=10%	φ(Ti)=15%
1.0	17.69%	4.16%	2.32%
1.2	2.44%	1.87%	0.95%

下载: 导出CSV

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