Reference critical experiments. Progress report, January 1, 1977--March 31, 1977
Thirty-eight benchmark critical measurements for a single tank reflected by plexiglas have been completed during the quarter. These measurements involved critical solution height determinations for three different vessels (two aluminum and one steel), with three uranyl nitrate solution concentrations, and two locations within a 20.3-cm-thick plexiglas enclosure. Measurements on arrays of cylinders within the plexiglas enclosure have begun and will be completed during the next quarter. KENO-IV (used with Hansen-Roach cross sections) calculations on the minimally-reflected single tank measurements and concrete-reflected 16-cylinder array measurements are discussed. Work progresses on the fabrication of fixtures for the 4.5 percent-enriched uranium oxide experiments to be performed later this year. Problems associated with the pressing of fuel pieces are near solution. The measurement control program on solution concentration determination continues. Results for the series of benchmarks which are under way should be completed by the end of the next quarter.
- Research Organization:
- Atomics International Div., Golden, CO (USA). Rocky Flats Plant
- DOE Contract Number:
- EY-76-C-04-3533
- OSTI ID:
- 7094592
- Report Number(s):
- RFP-NUREG-2660
- Country of Publication:
- United States
- Language:
- English
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Calculational study of benchmark critical experiments on high-enriched uranyl nitrate solution systems
Reference critical experiments. Progress report, April 1, 1977--June 30, 1977
Related Subjects
URANYL NITRATES
CRITICALITY
CRITICAL SIZE
CYLINDERS
NEUTRON REFLECTORS
PLEXIGLAS
TANKS
ACTINIDE COMPOUNDS
CONTAINERS
ESTERS
NITRATES
NITROGEN COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYACRYLATES
POLYMERS
POLYVINYLS
SIZE
URANIUM COMPOUNDS
URANYL COMPOUNDS
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