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Position-sensitive fission counter for in-core flux profile monitoring

Conference ·
OSTI ID:7143482
; ; ;
A prototype model of a position-sensitive fission counter (PSFC) was developed for power-range flux profile monitoring in light-water reactor cores. The flux profile is measured by delay-line position encoding and time interval decoding of individual fission pulses from 11 small fission counters incorporated along a coaxial transmission line. Significant improvements over currently used flux profile monitors are the 33-cm spatial resolution of the 3.5-m-long PSFC and the requirement for only one cable penetration into the reactor pressure vessel.
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
W-7405-ENG-26
OSTI ID:
7143482
Report Number(s):
CONF-831015-46; ON: DE84002055
Country of Publication:
United States
Language:
English

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Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
220400* -- Nuclear Reactor Technology-- Control Systems
FISSION CHAMBERS
IONIZATION CHAMBERS
MEASURING INSTRUMENTS
MONITORS
NEUTRON DETECTORS
NEUTRON FLUX
NEUTRON MONITORS
POSITION SENSITIVE DETECTORS
RADIATION DETECTORS
RADIATION FLUX
RADIATION MONITORS
REACTOR INSTRUMENTATION
REACTORS
WATER COOLED REACTORS