空中爆炸冲击波对生物目标的超压-冲量准则

王新颖; 王树山; 卢熹; 王建民

doi:10.11883/bzycj-2017-0031

空中爆炸冲击波对生物目标的超压-冲量准则

doi: 10.11883/bzycj-2017-0031

王新颖^{1, 2,},
王树山¹,
卢熹²,
王建民³

1.
北京理工大学爆炸科学与技术国家重点实验室, 北京 100081
2.
沈阳理工大学装备工程学院, 辽宁沈阳 110159
3.
第三军医大学野战外科研究所, 重庆 400042

详细信息

作者简介:
王新颖(1980—)，女，博士研究生，讲师，wxy801003@163.com

“第十一届全国爆炸力学学术会议”推荐论文。
中图分类号: O383.1
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出版历程
- 收稿日期: 2017-01-20
- 修回日期: 2017-02-28
- 刊出日期: 2018-01-25

Overpressure-impulse damage criterion of air shock waves on biological targets

1.
State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
2.
College of Equipment Engineering, Shenyang Ligong University, Shenyang 110159, Liaoning, China
3.
The Field Surgical Research Institute of the Third Military Medical University, Chongqing 400042, China

摘要

摘要: 针对空中爆炸冲击波对生物目标的毁伤准则问题，超压-冲量毁伤准则可弥补单一毁伤准则的缺陷。首先，根据空中爆炸冲击波特征参量的一般形式，提出一种归一化毁伤准则形式，给出基于毁伤律的毁伤准则与判据的获取方法。其次，在不同爆炸条件对生物目标进行毁伤效应实验，依据生物整体的损伤情况确定出毁伤等级，对应获得的离散的实验数据确定连续性的超压-冲量曲线，继而拟合出不同毁伤等级的超压-冲量准则的表达式，所得到的超压-冲量准则可以评估生物目标的毁伤问题。
- 空气冲击波 /
- 毁伤准则 /
- 压力-冲量曲线 /
- 毁伤实验
Abstract: In this paper, in view of the damage criteria for air shock waves damaging biological targets, we studied the overpressure-impulse damage criterion that makes up for the deficiencies of the single damage criterion. According to the general damage parameters of air blast shock waves, a normalized formula as damage criterion was proposed, and the acquisition method of damage criteria based on the explosion similitude law was proposed. Then, the damage tests of biological targets were carried out under different explosion conditions. According to the overall damage conditions suffered by the biological targets, the damage levels were determined. The continuous overpressure-impulse curves were obtained using the discrete test data, and the expression of the overpressurevimpulse damage criterions with different damage levels were fitted. The results can be used to evaluate the damage problems of biological targets
- air shock wave /
- damage criteria /
- overpressure-impulse curves /
- damage experiments
注释:

1) “第十一届全国爆炸力学学术会议”推荐论文。

HTML全文

图 1 实验布放示意图

Figure 1. Schematic diagram of experiment

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图 2 冲击波参数随药量和距离变化曲线

Figure 2. Parameters of air-shock wave with explosive mass and distance

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图 3 超压-冲量毁伤准则中临界等值线

Figure 3. Critical contour line in damage criterion of overpressure-impulse

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图 4 实验临界等毁伤曲线

Figure 4. Critical damage curve obtained by the experiment

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图 5 峰值超压和冲量随药量的变化曲线

Figure 5. Peak overpressure and specific impulse varying with charge

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表 1 3个等超压点距爆心的水平位置

Table 1. Horizontal distance between three test points and burst point

实验编号	W/kg	R/m
实验编号	W/kg	测试点1	测试点2	测试点3
A	0.25	0.80	1.20	2.40
B	1.00	1.45	1.95	4.93
C	4.00	2.30	3.88	7.78
D	8.00	3.78	5.24	10.02

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表 2 各测试点羊的毁伤等级(SⅡ评分)

Table 2. Damage levels of tested samples at each test point

实验编号	测试点1	测试点2	测试点3
A	Ⅲ级(0.1)	Ⅲ级(0.1)	Ⅲ级(0)
B	Ⅱ级(0.9)	Ⅲ级(0.2)	Ⅲ级(0.1)
C	Ⅰ级(1.1)	Ⅱ级(0.7)	Ⅲ级(0.1)
D	Ⅰ级(1.2)	Ⅱ级(0.9)	Ⅲ级(0.1)

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