Flow in a Gas-Operated Rifle

[+] Author and Article Information
J. H. Spurk

Fluid Dynamics Branch, EBL, U. S. Army Ballistic Research Laboratories, Aberdeen Proving Ground, Md.

J. Appl. Mech 39(1), 1-6 (Mar 01, 1972) (6 pages) doi:10.1115/1.3422612 History: Received August 12, 1970; Revised November 20, 1970; Online July 12, 2010


The unsteady gas flow in the actuation system of a gas-operated rifle is treated by perturbation analysis. A uniformly valid solution in time is found by matching the solution for early time with a quasi-steady solution. The predictions of the perturbation analysis are compared with experimental results from two rifles and satisfactory agreement is noted.

Copyright © 1972 by ASME
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