A series of flammable gas cloud deflagration experiments built-in and built-out obstruction were carried out in order to study the effects of obstruction on deflagration pressure wave.

• 油井复合射孔二次爆燃气体对地层压裂作用是流固动力耦合、裂缝动态扩展的岩体力学前沿交叉课题,具有重要的科学意义与明确的应用前景。