Page 12 - 《爆炸与冲击》2026年第10期
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第 46 卷 李 强,等: 含缺陷装药高过载安定性的表征和评估 第 10 期
Discrimination Imadjust saturation processing
of fit type
Scorch 2.0×10 6
mark Experimental results
Area of
Graying scorch mark 1.5×10 6 Modeling
1.0×10 6
0.5×10 6 Parameters of impact factors
0
Crack detection 0 50 100 150 200 250
of verification Digitization of Gray scale Stimulating
plate gray distribution 300 statistics Phenomenology factor
250
200
150 Definition of reaction thresholds
Deformation 100 Defect diameter/mm
analysis 50 0 10 11 12
10 000 8 000 6 000 4 000 2 000 00 2 000 4 000 6 000 8 000 10 000 0.8 Area of experimental data of combustion reaction 1.7
Calculated critical pressure for combustion reaction
0.7
1.6
0.6
1.4
0.4
Reaction type analysis Reaction level analysis Characterization method Critical pressure for combustion reaction/GPa 0.5 Calculated critical pressure for deflagration reaction 1.5 Critical pressure for combustion reaction/GPa
1.3
0.3
establishment
1.2
0.2
Area of experimental data of deflagration reaction
0.1
0
6
4
2
Defect diameter/mm 8 10 12 1.1
图 8 模型评估原理图
Fig. 8 Schematic diagram of model evaluation
表 3 模型的计算结果统计
Table 3 Statistics of calculation results of the model
D/mm H/mm δ/mm v p/GPa a 11 a 21 a 22 a p a 3 a 响应等级
5 13 0.5 0.65 0.2 0.03 0.63 0.09 0.2 0.165 Ⅰ
0 5 5 0.3 0.71 0.2 0.2 0.2 0.1 0.2 0.2 Ⅱ
3.5 13 0.5 0.85 0.61 0.03 0.63 0.21 0.2 0.234 80%Ⅲ
5 13 0.3 0.56 0.2 0.03 0.2 0.07 0.22 0.154 Ⅰ
5 3.5 25 0.5 0.62 0.61 0.01 0.63 0.22 0.22 0.204 Ⅱ
5 5 0.5 0.83 0.2 0.2 0.63 0.12 0.22 0.239 92%Ⅲ
3.5 25 0.3 0.53 0.61 0.01 0.2 0.20 0.316 0.189 Ⅰ
8 5 13 0.3 0.55 0.2 0.03 0.2 0.07 0.316 0.201 Ⅱ
5 13 0.5 0.65 0.2 0.03 0.63 0.09 0.316 0.22 47%Ⅲ
5 25 0.3 0.32 0.2 0.01 0.2 0.07 0.325 0.185 Ⅰ
5 25 0.5 0.47 0.2 0.01 0.63 0.09 0.325 0.205 Ⅱ
10 3.5 5 0.3 0.93 0.61 0.2 0.2 0.22 0.325 0.267 100%Ⅲ
2 5 0.3 1.56 0.72 0.2 0.2 0.26 0.325 0.301 Ⅳ
2 5 0.5 1.66 0.85 0.2 0.63 0.28 0.325 0.32 40%Ⅴ
5 50 0.3 0.21 0.2 0.06 0.2 0.08 0.33 0.188 Ⅰ
5 25 0.3 0.33 0.2 0.01 0.2 0.07 0.33 0.199 Ⅱ
11 3.5 5 0.5 1.07 0.61 0.2 0.63 0.22 0.33 0.241 97%Ⅲ
2 13 0.3 1.33 0.61 0.03 0.2 0.20 0.33 0.298 Ⅳ
2 13 0.5 1.45 0.72 0.03 0.63 0.25 0.33 0.316 32%Ⅴ
5 50 0.3 0.21 0.2 0.006 0.2 0.08 0.332 0.185 Ⅰ
5 50 0.5 0.26 0.2 0.006 0.63 0.09 0.332 0.202 Ⅱ
12 3.5 5 0.5 1.07 0.61 0.2 0.63 0.24 0.332 0.242 99%Ⅲ
2 25 0.5 1.25 0.72 0.01 0.63 0.25 0.332 0.297 Ⅳ
2 13 0.5 1.45 0.72 0.03 0.63 0.25 0.332 0.322 44%Ⅴ
注:v 为波形调整器材料泊松比,p 为冲击过载压力,Ⅰ表示未反应,Ⅱ表示开始燃烧,Ⅲ表示发生燃烧反应,Ⅳ表示开始爆燃,Ⅴ表示
发生爆燃反应,百分比表示响应程度。
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