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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Patent•
10 Dec 2004TL;DR: In this paper, the authors provided a silencer for a firearm with a combustion chamber and a barrel, and at least one vortex chamber disposed between the proximal end and the distal end.
Abstract: Silencers are provided for a weapon having a combustion chamber and a barrel The weapon is configured to launch a projectile with combustion gases generated in the combustion chamber An exemplary silencer includes a proximal end and a distal end, the proximal end being configured for mounting the silencer to the barrel, the distal end being configured to allow the projectile to pass therethrough, and at least one vortex chamber disposed between the proximal end and the distal end The at least one vortex chamber includes a circular peripheral wall for inducing a vortex on a portion of the combustion gases expelled from the combustion chamber during launch of the projectile The vortex impedes flow of the combustion gases from the barrel such that acoustic energy associated with the launch of the projectile is dissipated
38 citations
01 Mar 2012
TL;DR: Precision-guided munitions are of interest to the Army as a means of both reducing collateral damage and increasing the chance of desired effect with the first round fired as discussed by the authors. But many technical barriers...
Abstract: Precision-guided munitions are of interest to the Army as a means of both reducing collateral damage and increasing the chance of desired effect with the first round fired. Many technical barriers ...
38 citations
TL;DR: In this paper, the authors measured the penetration hole diameter as a function of the impact velocity at a constant impact velocity of 6 km/s and found that the relative hole diameter decreases systematically with increasing Dp/T from 4Dp for massive targets, to 3DP for very thin foils.
38 citations
Patent•
17 Feb 2005TL;DR: A kinetic energy rod warhead includes a projectile core which includes a plurality of individual projectiles, an explosive charge about the core, at least one detonator for the explosive charge, and an explosive sheet on each end of the projectile core as discussed by the authors.
Abstract: A kinetic energy rod warhead includes a projectile core which includes a plurality of individual projectiles, an explosive charge about the core, at least one detonator for the explosive charge, and an explosive sheet on each end of the projectile core.
38 citations
TL;DR: A robust, nonlinear optimization-based formulation is proposed, and the use of a local optimization method is justified by detailed examination of the local convexity structure of the cost function.
Abstract: In this paper, we consider the problem of localizing a projectile in 3D based on its apparent motion in a stationary monocular view. A thorough theoretical analysis is developed, from which we establish the minimum conditions for the existence of a unique solution. The theoretical results obtained have important implications for applications involving projectile motion. A robust, nonlinear optimization-based formulation is proposed, and the use of a local optimization method is justified by detailed examination of the local convexity structure of the cost function. The potential of this approach is validated by experimental results.
38 citations