The Dependency Of Penetration On The Momentum Per Unit Area Of The Impacting Projectile And The Resistance Of Materials To Penetration PDF Download

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NASA Technical Note

NASA Technical Note
Author:
Publisher:
Total Pages: 478
Release: 1973
Genre: Aeronautics
ISBN:

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Applied Mechanics Reviews

Applied Mechanics Reviews
Author:
Publisher:
Total Pages: 1006
Release: 1960
Genre: Mechanics, Applied
ISBN:

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Engineering Models In High-speed Penetration Mechanics And Their Applications (In 2 Volumes)

Engineering Models In High-speed Penetration Mechanics And Their Applications (In 2 Volumes)
Author: Gabi Ben-dor
Publisher: World Scientific
Total Pages: 1116
Release: 2018-12-28
Genre: Technology & Engineering
ISBN: 9813273488

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This two-volume, 1100 pages, 38 chapters book is a significantly expanded, revised and updated version of the monograph by the authors published in 2013 (Ben-Dor, G, Dubinsky, A, Elperin, T, 'High Speed Penetration Dynamics: Engineering Models and Methods,' Singapore: World Scientific Publishing Company). The contents increased by 60%, the number of titles in bibliography doubled and reached 1600; and the scope covers a range of new topics related to hypervelocity penetration, along with high-speed impact.Presented material is structured into two parts. The first part includes description and analysis of practically all known engineering models for calculating high-speed penetration of projectiles into concrete, metals, geological shields, adobe, and gelatine.The second part focuses on the use of approximate models for solving conventional and non-standard problems of penetration mechanics including prediction and optimization of protective properties of monolithic and multi-layered shields against high-speed projectiles and space debris; shape optimization of high-speed projectiles penetrating into various media; modelling of penetration and optimal control of penetrators equipped with jet thrusters; and investigation of the efficiency and optimization of segmented projectiles. The book includes comprehensive overviews on basic classes of problems in high-speed penetration mechanics.This is a indispensable reference guide for scientists, engineers, and students specializing in the field of high-speed and hypervelocity penetration mechanics.


An Investigation of Spray Velocity Resulting from High-velocity Penetration of Thin Plates by Disks

An Investigation of Spray Velocity Resulting from High-velocity Penetration of Thin Plates by Disks
Author: John D. Di Battista
Publisher:
Total Pages: 36
Release: 1966
Genre: Aluminum
ISBN:

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An analysis based on one-dimensional shock-wave theory is presented to study the maximum velocity of the spray emanating from the rear surface of a thin meteoroid bumper. A set of experiments was designed to evaluate the analytical results. The targets used were 0.0025-cm-thick 11 aluminum foil and 0.041-cm-thick 1100 H14 aluminum plate. The projectiles used were made of tungsten and were disk shaped, 0.56 cm in diameter, and either 0.076 cm or 0.038 cm in thickness. The target and projectile dimensions used in the experiments insured that the one-dimensional assumptions used in the theory were valid. In addition, using a very dense tungsten projectile to impact the aluminum targets produced aluminum spray velocities well in excess of the tungsten projectile velocity. With this technique, the projectile and target materials were clearly differentiable in the spray. The experiments were conducted in the impact velocity range of 0.089 to 0.295 cm/micronsec. The ratio of maximum target-material spray velocity to projectile impact velocity is defined and is plotted against projectile impact velocity. The ratio predicted by using the theory agrees well with the experimental results in the range of impact velocities investigated. Representative series of photographs are presented and analyzed for the experiments conducted in both thicknesses of aluminum targets.


Environmental Problems of Space Flight Structures

Environmental Problems of Space Flight Structures
Author: John R. Davidson
Publisher:
Total Pages: 88
Release: 1963
Genre: Meteoroids
ISBN:

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The meteoroid environment and the effects of hypervelocity impact on a space vehicles are described, and the effects of the incompleteness of present knowledge of each are discussed. The overall problem of the meteoroid hazard is evaluated and methods of eliminating the probability of meteoroid damage are given. A partial listing of typical research projects on meteoroid-environment and hypervelocity-impact problems is presented.