Abstract
The obliquely symmetrical collision of the plane detonation wave in high explosive was observed by means of a high-speed camera in framing mode. The plane detonation wave is generated by two kinds of devices: one using the plane wave generators; the other being the newly devised set-up. The collision angle is set to values greatly larger than the critical angle for irregular reflection of detonation wave from the theoretical prediction. The experimental results show that Mach reflection of detonation wave indeed occurs, but the length of Mach stem is short and the stem shape is smoothly curved. At the same time, the results also illustrate that the collision of detonation wave in high explosive indicates somewhat more complexity than shock reflection in gases and solids.
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