NDLI: Numerical study of long rods penetration depth in semiinfinite targets in electromagnetic launchers

Content Provider	IEEE Xplore Digital Library
Author	Daneshjou, K. Kochakinejad, A. Rahimzadeh, M.
Copyright Year	2004
Description	Author affiliation: Dept. of Mech. Eng., Iran Univ. of Sci. & Technol., Tehran, Iran (Daneshjou, K.; Kochakinejad, A.; Rahimzadeh, M.)
Abstract	In this paper the penetration depth of long rod electromagnetic projectiles on semiinfinite targets, are studied with numerical approach. The results obtained from this study are compared with the recent studies. The theoretical models used in the analysis of long rods penetration on semiinfinite targets are Tate and Grace and Vahedi models. The targets and projectiles are considered to be made of several soft metals. The projectile hits the target at least at supersonic velocity (Mach number greater than one). The target is constrained to have no movement and the projectile doesn't pass through the target. The impact velocity of the projectile and its length to diameter ratio, are considered as a variable and the results are compared with one another. Aluminum is assumed to behave as a perfect plastic model and for the other materials, bilinear isotropic. Finally penetration depth versus time diagrams is obtained for different velocities, materials and geometries. The results are in good agreement with other studies in this field.
Starting Page	350
Ending Page	354
File Size	640575
Page Count	5
File Format	PDF
ISBN	0780382900
DOI	10.1109/ELT.2004.1398104
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-05-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Projectiles Aluminum Electromagnetic launching Military aircraft Aerospace materials Aerodynamics Plastics Protection Mechanical engineering Stress
Content Type	Text
Resource Type	Article

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