Method and apparatus for measuring neutron flux

Details Method and apparatus for measuring neutron flux Method and apparatus for measuring neutron flux

1977-10-17

1980-11-25

Jordan, Charles T.

G21C 1700

Patent

active

042356709

ABSTRACT:
A method and an apparatus are disclosed for measuring the neutron flux existing within a nuclear reactor. According to the method of the invention, a neutron sensitive material is inserted into a reactor and electrons emitted by this material are guided, with the aid of a magnetic field, through an evacuated tube to the exterior of the reactor. Detection of these electrons is carried out after they have reached the exterior of the reactor. The apparatus of the invention includes an evacuated tube having a neutron sensitive material adjacent one end thereof. Apparatus is provided for generating an axial magnetic field along the length of the tube for guiding electrons emitted by the neutron sensitive material. A detector is positioned at the opposite end of the tube for sensing the emitted neutron flux.

REFERENCES:
patent: 2719823 (1955-10-01), Zinn
patent: 2931761 (1960-04-01), Hurwitz
patent: 2936274 (1960-05-01), Dessauer
patent: 3050624 (1962-08-01), Janner
patent: 3160567 (1964-12-01), Steinberg et al.
patent: 3207667 (1965-09-01), Campbell
patent: 3263081 (1966-07-01), Wisemann et al.
patent: 3780292 (1973-12-01), Klar

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