Experiment on spread processes of the spreadable aimed warhead

The research on the expandable aimed warhead is expected to contribute a lot to the improvement of the damaging capability of the airborne missile due to the high efficiency of the warhead fragments' utilization. In this work we designed a prototype of this type of warhead based on its damaging mechanism and structural features, and put it to actual tests. The spreading process of the main charge was recorded with the high speed photography technology. The results show that this process matches with our numerical prediction, and the spreading time of the warhead was significantly shortened as the mass of the driving charge increases. Moreover, loading a greater quantity of charge in the external notch than in the internal one will benefit the synchronized spreading of all the main charge notches and also effectively facilitate the design of the detonation trigger system.