Device for measuring neutron flux in a nuclear reactor

Details Device for measuring neutron flux in a nuclear reactor Device for measuring neutron flux in a nuclear reactor

1977-09-20

1979-06-05

Engle, Samuel W.

G21C 1700

Patent

active

041572777

ABSTRACT:
A neutron guide constituted by two superposed and separable tubular elements extends from the reactor core to the immediate vicinity of the bottom wall of the reactor vessel directly above a neutron detection chamber located outside the vessel. The upper element containing a neutron-emissive medium comprises a closed tube filled with inert gas and engaged coaxially with the lower element which is positioned within a support sleeve. The lower element is provided with another closed sleeve filled with inert gas and terminating near the internal surface of the bottom of the reactor vessel.

REFERENCES:
patent: 3751333 (1973-08-01), Drummond et al.
patent: 3802962 (1974-04-01), Culambourg et al.
patent: 3827935 (1974-08-01), Gruner et al.
patent: 3910816 (1975-10-01), Tsuji et al.

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