High-level neutron-coincidence-counter (HLNCC) implementation: assay of the plutonium content of mixed-oxide fuel assemblies

Technical Report · Thu Apr 01 04:00:00 EST 1982

DOI:https://doi.org/10.2172/5262977· OSTI ID:5262977

Foley, J E; Bosler, G E

The portable High-Level Neutron Coincidence Counter is used to assay the /sup 240/Pu-effective loading of a reference mixed-oxide fuel assembly by neutron coincidence counting. We have investigated the effects on the coincidence count rate of the total fuel loading (UO/sub 2/ + PuO/sub 2/), the fissile loading, the fuel rod diameter, and the fuel rod pattern. The coincidence count rate per gram of /sup 240/Pu-effective per centimeter is primarily dependent on the total fuel loading of the assembly; the higher the loading, the higher the coincidence count rate. Detailed procedures for the assay of mixed-oxide fuel assemblies are developed.

• Research Organization: Los Alamos National Lab., NM (USA)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 5262977
• Report Number(s): LA-9318-MS; ON: DE82015083
• Country of Publication: United States
• Language: English

Related Subjects

050700 -- Nuclear Fuels-- Fuels Production & Properties
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400103* -- Radiometric & Radiochemical Procedures-- (-1987)
ACTINIDES
CHEMICAL ANALYSIS
COINCIDENCE METHODS
COUNTING TECHNIQUES
DETECTION
ELEMENTS
FUEL ASSEMBLIES
FUEL ELEMENTS
FUEL RODS
FUELS
METALS
MIXED OXIDE FUELS
NEUTRON DETECTION
PLUTONIUM
QUANTITATIVE CHEMICAL ANALYSIS
RADIATION DETECTION
RADIOMETRIC ANALYSIS
REACTOR COMPONENTS
SOLID FUELS
TRANSURANIUM ELEMENTS