Fissionable mass storage device

Details Fissionable mass storage device Fissionable mass storage device

1976-03-26

1977-08-23

Dixon, Harold A.

Radiant energy

Radiation controlling means

Shields

250507, G21F 500, G21C 1100

Patent

active

040442675

ABSTRACT:
An apparatus for the safe storage of a plurality of fissionable masses including an array of discrete neutron absorbing shields which utilizes the principle of the neutron trap to reduce the multipication factor of the storage array to a subcritical value when immersed in a neutron moderating medium. Each discrete neutron absorbing shield is designed to perimetrically encircle each of the stored fissionable masses. Each shield is spaced such that the encircled fissionable mass is spaced from the next adjacent neutron absorbing shield by a distance determined by the enrichment of the fissionable masses and attenuation of the moderating medium.

REFERENCES:
patent: 3046403 (1962-07-01), Montgomery
patent: 3845315 (1974-10-01), Blum
patent: 3859533 (1975-01-01), Suvanto
patent: 3882313 (1975-05-01), Siemens

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