爆炸载荷下多孔材料中理论初始冲击波特性

Theoretical Initial Shock Properties of Porous Materials Under Explosion Loads

研究爆炸载荷下初始孔隙度对多孔材料中初始冲击波的影响特性理论．方法从经典爆轰理论出发，结合多孔材料冲击Ｈｕｇｏｎｉｏｔ方程，建立多孔材料中初始冲击被参数理论模型．结果初始孔隙度对多孔材料中初始冲击波影响特性的理论计算结果与实验吻合较好．结论采用该理论模型可有效预估爆炸载荷下多孔材料中的初始冲击波特性．

Aim To study effects of the initial porosity on initial shock properties under explosion loads. Methods By combining classical detonation theory with shock Hugoniots of porous materials , a theoretical relationship between initial shock parameters and porosity was established. Results Effects of the initial porosity on theoretical initial shock properties are in good agreement with experimental results. Conclusion This theoretical model is effective for predicting the initial shock properties of porous materials under explosion loads .