Method and apparatus for determining neutron flux density, in pa

Details Method and apparatus for determining neutron flux density, in pa Method and apparatus for determining neutron flux density, in pa

1998-06-22

1999-09-21

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Flux monitoring

G21C 17108

Patent

active

059563800

ABSTRACT:
A method and an apparatus are used for determining the neutron flux density of a neutron-emitting source, in particular a reactor core of a nuclear power facility. In the method, a first measurement signal and a second measurement signal, which differ from one another and are each monotonally dependent on the neutron flux density, are used to form a wide-range signal that depends uniquely on the neutron flux density. The wide-range signal is defined region-by-region, the wide-range signal is equated to the first measurement signal in a region where the values of the neutron flux density n are lower, n<n.sub.1, is equated to the second measurement signal in a region where the values of the neutron flux density are higher, n>n.sub.2, and is equated to a monotonal function of both measurement signals in an overlapping region located in between.

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patent: 4652419 (1987-03-01), Fukushima et al.
patent: 5015434 (1991-05-01), Wimpee et al.
patent: 5225149 (1993-07-01), Banda

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