The research of dynamic propagationof crack is prevalent in explosion mechanics.
爆炸裂纹的动态扩展问题是爆炸力学研究的热点。
2
On the basis of experiments, the influence of impressed electromagnetic field on flame propagation speed and overpressure in gas explosion was investigated.
在实验的基础上，研究了外加电磁场对瓦斯爆炸过程中火焰传播速度和超压的影响。
3
In the meantime, the concentration of the combustible gas and the number and distributive location of fire source have influence on the gas explosionpropagation seriously.