Acceleration apparatus with annular projectile accelerated there

Details Acceleration apparatus with annular projectile accelerated there Acceleration apparatus with annular projectile accelerated there

1978-09-18

1984-07-10

Stouffer, Richard T.

Ordnance

Accelerating

124 3, F41F 102

Patent

active

044585772

ABSTRACT:
A high power source of electrical energy, such as a homopolar generator, is connected to a longitudinally extending coaxial structure which forms a gun barrel. Within the gun barrel toward the end to which the power supply is connected is mounted a coaxial projectile, or several projectiles, in engagement with one or more movable conductive elements, that extend between the two longitudinally extending conductors. The homopolar generator is switched to apply on the order of a megajoule of energy to the coaxial structure, and after being delayed for a short interval until the current has built up to a significant level, the conductive element is accelerated with the projectile as a result of the magnetic pressure building up within the coaxial structure. Velocities on the order of 2 kilometers per second with kilogram mass projectiles may be achieved with a gun barrel approximately one meter in length.

REFERENCES:
patent: 2870675 (1959-01-01), Salisbury
patent: 3126789 (1964-03-01), Meyer
patent: 3273553 (1966-09-01), Doyle
patent: 3431816 (1969-03-01), Dale
patent: 4086506 (1978-04-01), Kustom et al.
"Performance of Coaxial Plasma Gun with Various Propellants", Charles J. Michels et al., The Physics of Fluids, vol. 7, No. 11, (Part 2 of Two Parts), American Institute of Physics, New York, N.Y., Nov. 1964.
"The Acceleration of Macroparticles and a Hypervelocity Electromagnetic Accelerator", J. P. Barber, The Australian National University, Mar. 1972.
K. W. Miller et al., "Study of Electromagnetic Gun", Proceedings of the Second Hypervelocity and Impact Effects Symposium, vol I, Dec. 1957, pp. 132-134, Sponsored by U.S. Naval Research Laboratory and the Air Research and Development Command.

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