Page 156 - 《爆炸与冲击》2026年第11期
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第 46 卷                   梅宗书,等: 低动能易碎弹的致伤威力评估                                  第 11 期

                   (2) 假人头部钝击试验与文献中刚性壁面钝击试验结果的对比分析表明,假人头部加速度为                                        2.71g,
               具有明显痛感,而头部的最大作用力为                  111.54 N,只有同等射击工况下橡皮弹产生最大作用力的                      1/4,表
               明易碎弹通过壳体破碎和内填粉体分散可有效释能。
                   (3) 在明胶靶钝击试验中,易碎弹冲击明胶靶后,壳体有效破碎,弹内粉体分散均匀;在易碎弹的着
               靶速度约为橡皮弹的          74.2%  工况下,易碎弹的冲击动能约为橡皮弹的                  50%,其内部压力峰值为橡皮弹的
               11%~43%,表明易碎弹相较于传统橡皮弹,致伤威力适度降低,安全性更高。
                   本研究的假人试验中假人穿戴有防护服,对试验结果有一定影响;同时,头部损伤指标值计算参
               照的是假人在汽车撞击试验中的损伤计算方法。在后续研究中,将进一步改进试验设计,优化头部、
               胸部损伤指标计算公式,结合有限元仿真,开展多参数协同优化,形成面向损伤指标的结构正向设计
               方法。


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