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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