Gas-Gun Experiments Determine Forces on Penetrators Into Geological Targets

[+] Author and Article Information
M. J. Forrestal, R. E. Setchell

Sandia National Laboratories, Albuquerque, N. Mex. 87185

L. M. Lee, B. D. Jenrette

Ktech Corporation, Albuquerque, N. Mex. 87110

J. Appl. Mech 51(3), 602-607 (Sep 01, 1984) (6 pages) doi:10.1115/1.3167680 History: Received April 01, 1983; Revised September 01, 1983; Online July 21, 2009


We developed a convenient laboratory procedure to determine forces on projectiles penetrating geological targets. Gas guns were used to accelerate foundry core targets (a simulated soft sandstone) to steady velocities, and the targets subsequently impacted 20.6-mm-dia penetrators instrumented with piezoelectric accelerometers. Rigid-body acceleration data were recorded for one ogival and two conical nose shapes for impact velocities between 0.2-1.2 km/s.

Copyright © 1984 by ASME
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