Gross gamma-ray measurements of light water reactor spent-fuel assemblies in underwater storage arrays
Two gross gamma-ray detection systems have been developed for rapid measurement of spent-fuel assemblies in underwater storage racks. One system uses a scintillator as the detector and has a 2% crosstalk between a fuel assembly and an adjacent void. The other system uses an ion chamber as the detector. The measurements with both detectors correlate well with operator-declared burnup and cooling-time values.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6690751
- Report Number(s):
- LA-8447; TRN: 81-002921
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
SPENT FUEL STORAGE
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ELECTROMAGNETIC RADIATION
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055001* - Nuclear Fuels- Safeguards
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11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
SPENT FUEL STORAGE
RADIOMETRIC ANALYSIS
FUEL ASSEMBLIES
FUEL POOLS
FUEL RACKS
GAMMA RADIATION
INVENTORIES
IONIZATION CHAMBERS
SCINTILLATION COUNTERS
CHEMICAL ANALYSIS
ELECTROMAGNETIC RADIATION
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MEASURING INSTRUMENTS
MECHANICAL STRUCTURES
QUANTITATIVE CHEMICAL ANALYSIS
RADIATION DETECTORS
RADIATIONS
STORAGE
SUPPORTS
055001* - Nuclear Fuels- Safeguards
Inspection
& Accountability- Technical Aspects
050900 - Nuclear Fuels- Transport
Handling
& Storage
210802 - Nuclear Power Plants- Economics- Fuel Cycle