Ordnance – Accelerating
Patent
1992-05-04
1994-10-18
Bentley, Stephen C.
Ordnance
Accelerating
102472, F41B 600
Patent
active
053557646
ABSTRACT:
The method and apparatus disclosed herein relates to harnessing plasma to ignite, pressurize and distribute plasma, plasma-ignited chemical fluid and fuel throughout a propellant mass. Particularly, the present invention enables the creation of a progressive burning surface whereby the propellant reaches maximum pressure controllably and losses pressure much more slowly thus creating high piezometric efficiency. More particularly, in gun-charge-projectile systems, by using radial perforations designed to provide a balanced plasma discharge through a capillary wall and by developing forward accelerating thrust components, induced by the plasma pressure on a plasma-ignited chemical fluid and fuel mixture, the propelling charge travels down the gun tube with the projectile thus exerting substantial uniform pressure throughout the tube length and yielding a high ballistic efficiency which results in the attainment of high muzzle velocities.
REFERENCES:
patent: 4170922 (1979-10-01), Peterson
patent: 4895062 (1990-01-01), Chryssomallis et al.
patent: 5072647 (1991-12-01), Goldstein et al.
D. C. Cook et al, Multidimensional Electrothermal Model Oct. 17, 1989.
Charalampos Marinos et al, Experimental and Theoretical Investigation of the Combustion Chamber Pressure Waves of an ETC Gun Oct. 1991.
Weapon Systems Fundamentals, vol. 2, Jul. 15, 1960 NAVWEPS OP 3000 pp. 90 and 104.
Chaboki Amir
Marinos Charalampos D.
Schneider Mark E.
Sorensen Chris S.
Warren James P.
Bentley Stephen C.
FMC Corporation
Kamp R. C.
Magley R. B.
Wolde-Michael G.
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