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1 2015

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Directional Warhead Design Methodology for a Tailored Fragment Beam

Dhote K. D., Murthy K. P. S., Rajan K. M., Sucheendran M. M.

Central European Journal of Energetic Materials

2015

Vol. 12, no. 4

637--649

In this article, the authors present a design methodology for generating a spatially tailored fragment beam with specified velocity and projection angles. The modified Gurney equation was used to estimate the length and diameter of the cylindrical charge to achieve the desired velocity; and the modified Taylor equation was used to arrive at the radius of curvature of the fragmenting disc. The methodology is further explained for generating a rectangular beam of fragments having a velocity of 1500 m/s with a tailored fragment beam of 32° in the azimuth and 20° in the elevation. The warhead had preformed steel fragments of 4 mm diameter arranged in a double layer. The design was validated using the fragment distribution measured experimentally.