Topic
Projectile
About: Projectile is a research topic. Over the lifetime, 13047 publications have been published within this topic receiving 115563 citations.
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TL;DR: In this paper, a numerical study on wave dynamic processes occurring in muzzle blast flows, which are created by a supersonic projectile released from the open-end of a shock tube into ambient air, is described.
Abstract: A numerical study on wave dynamic processes occurring in muzzle blast flows, which are created by a supersonic projectile released from the open-end of a shock tube into ambient air, is described in this paper. The Euler equations, assuming axisymmetric flows, are solved by using a dispersion-controlled scheme implemented with moving boundary conditions. Three test cases are simulated for examining friction effects on the muzzle flow. From numerical simulations, the wave dynamic processes, including two blast waves, two jet flows, the bow shock wave and their interactions in the muzzle blasts, are demonstrated and discussed in detail. The study shows that the major wave dynamic processes developing in the muzzle flow remain similar when the friction varies, but some wave processes, such as shock-shock interactions, shock-jet interactions and the contact surface instability, get more intensive, which result in more complex muzzle blast flows.
36 citations
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TL;DR: In this paper, the authors present results of a large number of 2D numerical simulations in which they investigated various aspects in the deep penetration of rigid short projectiles into semi-infinite targets, as well as their perforation through thin metallic plates.
36 citations
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TL;DR: In this paper, mesoscale simulations were performed for an 11.4 cm long, 0.9 cm diameter dart penetrating a bed of porous granular dry sand with an initial velocity of 366m/s. Simulations were performed using the Eulerian hydrocode CTH in a two-dimensional planar configuration.
36 citations
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TL;DR: In this paper, the authors show that there exists a critical membrane size below which the cone wave reflections from the boundaries induce perforation, a phenomenon that is particularly relevant for micro-ballistic testing of graphene membranes.
36 citations
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TL;DR: In this article, an experimental investigation into the responses of a woven fabric and a pliable laminate subjected to oblique projectile impact is undertaken, and the influence of impact obliquity on the ballistic limit and energy absorbed are analysed and discussed.
36 citations