Nuclear reactor in core flux mapping system

Details Nuclear reactor in core flux mapping system Nuclear reactor in core flux mapping system

1978-10-12

1981-05-19

Cangialosi, S. A.

G21C 1700

Patent

active

042683548

ABSTRACT:
A nuclear reactor flux mapping system having a plurality of neutron detectors operable to be driven into and out of a reactor core along any one of a number of pre-established paths. The detectors, corresponding drives (22) and drive controllers (28) are arranged into at least two physically separate and functionally independent channels. Each channel is respectively arranged to scan complementary paths through the core during normal system operation. At least two, redundant, functionally independent and physically separate "command end of processing" channels (31 and 33) are provided. Each of the command and processing channels (30) are independently operable to automatically, programmably sequence the detector scans and process the detector output data on all of the detector channels while being electrically buffered from each detector channel through two-ported memories (36) in a manner to prevent faults on any of the channels from disabling any of the other system channels. Each detector channel is operable to scan the entire core in the event the other detector channel should prove inoperable.

REFERENCES:
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patent: 3888772 (1975-06-01), Neuner
patent: 3895223 (1975-07-01), Neuner et al.
patent: 3903403 (1975-09-01), Ferguson et al.
patent: 3932211 (1976-01-01), Loving, Jr.
patent: 4012717 (1977-03-01), Censier et al.
patent: 4030074 (1977-06-01), Giorcelli
patent: 4032757 (1977-06-01), Eccles

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