Critical experiments with solid neutron absorbers and water-moderated fast test reactor fuel pins
Journal Article
·
· Nucl. Technol.; (United States)
OSTI ID:7065314
- Battelle-Pacific Northwest Labs., Richland, WA
A series of experiments was performed at the Battelle-Pacific Northwest Laboratories on water-flooded arrays of Fast Test Reactor fuel elements (PuO/sub 2/-UO/sub 2/) intermixed with solid neutron absorbers. The objective of these experiments was to provide reliable experiment data that could be used to benchmark computer codes and calculational schemes commonly used in criticality analysis of such systems. The neutron absorbers used were cadmium and Boral plates and gadolinium cylindrical rods. Critical array sizes were determined for square lattice pitches ranging from 9.7 to 24.9 mm, corresponding to water-to-fuel volume ratios of 3.5 to approx. 31 (hydrogen atom to fissile atom ratios of 58 to 473). For both systems, poisoned and unpoisoned, the minimum number of rods required for criticality occurred at a lattice pitch of approx. 20.5 mm, which also corresponds to a water-to-fuel volume ratio of 20.5.
- OSTI ID:
- 7065314
- Journal Information:
- Nucl. Technol.; (United States), Journal Name: Nucl. Technol.; (United States) Vol. 48:2; ISSN NUTYB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
220600* -- Nuclear Reactor Technology-- Research
Test & Experimental Reactors
42 ENGINEERING
420203 -- Engineering-- Handling Equipment & Procedures
ACTINIDE COMPOUNDS
CHALCOGENIDES
CRITICALITY
EPITHERMAL REACTORS
FAST REACTORS
FFTF REACTOR
FUEL ASSEMBLIES
FUEL ELEMENTS
FUEL PINS
FUEL POOLS
LIQUID METAL COOLED REACTORS
OXIDES
OXYGEN COMPOUNDS
PLUTONIUM COMPOUNDS
PLUTONIUM DIOXIDE
PLUTONIUM OXIDES
REACTOR COMPONENTS
REACTORS
RESEARCH AND TEST REACTORS
RESEARCH REACTORS
SODIUM COOLED REACTORS
TEST REACTORS
TRANSURANIUM COMPOUNDS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
220600* -- Nuclear Reactor Technology-- Research
Test & Experimental Reactors
42 ENGINEERING
420203 -- Engineering-- Handling Equipment & Procedures
ACTINIDE COMPOUNDS
CHALCOGENIDES
CRITICALITY
EPITHERMAL REACTORS
FAST REACTORS
FFTF REACTOR
FUEL ASSEMBLIES
FUEL ELEMENTS
FUEL PINS
FUEL POOLS
LIQUID METAL COOLED REACTORS
OXIDES
OXYGEN COMPOUNDS
PLUTONIUM COMPOUNDS
PLUTONIUM DIOXIDE
PLUTONIUM OXIDES
REACTOR COMPONENTS
REACTORS
RESEARCH AND TEST REACTORS
RESEARCH REACTORS
SODIUM COOLED REACTORS
TEST REACTORS
TRANSURANIUM COMPOUNDS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES