Gimbaled forward-firing warhead (GFFW) is one of the most efficient types for killing enhancement that exist today. This is because almost all the fragments of the warhead are deployed to the targets direction. Static explosion experiment was performed to investigate the spatial distribution of the spray pattern as well as its deployment velocity. The cone angle (θs) of fragments bundle at static conditions is 15°, and fragments in the mesial area is dense than that in the marginal area. The average velocity of the fragment in mesial area is 1712m/s, and that in marginal area is 1408m/s. In conjunction with deployment experiments, damage radius study is conducted with the basic criterion that one fragment must hit target payload at least. Damage radius at the dynamic conditions is 150m~165m, which is more farther than conventional uniform warhead.
Because a uniform fragments field is needed for forward-firing warhead intercepting air targets, it is necessary to analyze quantitatively and improve fragments dispersion uniformity. The wave controller is added in the warhead to make fragments at marginal zone close to the dispersion center. The static explosion experiments are performed to obtain the fragments dispersion data before and after the warhead being improved. The results of data analysis indicate that the marginal fragments will close to the center after adding a suitable wave controller in the warhead. And at the same time the field density of fragments in the centre zone changes little. The fragments radial dispersion uniformity is much better than before. The effective fragments area is about 1.8 times larger than before, and the fragments quantity in effective fragments area increases 54.2%. But about 30% of total fragments are still not used effectively because of the sparse density, and the problem needs to be researched farther in the future.
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