Many photographs of out let flow field and flame after different decay space were presented by use of YA-16 high speed camera with multi-flashes in an opposite photograph and time accumlate camera.

采用YA-16多闪光高速摄影反相拍摄导爆管经过不同的消爆空间后出口流场的动态结构，以及出口火焰在持续时间内的累积照片，从有利于点燃延期药的角度出发，对出口流场进行了研究。

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