Abstract
Study of interaction of a high velocity jet with a moving target has been carried out on the basis of simplifying assumptions of constant velocity of the jet and the target plate. The theoretical model meets the boundary conditions of the problem and predicts satisfactorily the main features of the phenomenon and the trend in variation of parameters like depth of penetration, surface cut and total distance travelled by target during the time of interaction of complete length of the jet. Unlike jet penetration in a stationary target, the penetration in a target, accelerated by thin layer of explosive, has been found independent of density of the target. The penetration, however, has been found strongly dependent on the angle of impact and the ratio of jet and target velocities.

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