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Nominations open for CNTA awards
Citizens for Nuclear Technology Awareness is accepting nominations for its Fred C. Davison Distinguished Scientist Award and its Nuclear Service Award. Nominations for both awards must be submitted by August 1.
The awards will be presented this fall as part of the CNTA’s annual Edward Teller Lecture event.
Gary R. Smolen, Raymond C. Lloyd, Hideyuki Funabashi
Nuclear Technology | Volume 107 | Number 3 | September 1994 | Pages 304-325
Technical Paper | Nuclear Criticality Safety | doi.org/10.13182/NT94-A35010
Articles are hosted by Taylor and Francis Online.
A series of critical experiments was performed with mixed plutonium-uranium nitrate solutions in two cylinders and in a variable thickness slab tank. The solution concentrations ranged from 12 to 174 g Pu/ℓ with Pu/Pu+U ratios of 0.5, 0.4, and 0.2. The criticality data were used to validate two versions of the SCALE computer code system (SCALE-4 and SCALE-2). Calculations were performed with the 27-energy-group cross-section library, derived from the Evaluated Nuclear Data File B-Version IV. The average calculated keff for all geometries (39 experiments) is 1.006 (σ = 0.006), calculated with SCALE-4, and 1.004 (σ = 0.007), calculated with SCALE-2. Overall, the range of calculated keff varied from 0.989 to 1.019. These experiments covered a wide range of parameters, with variations in physical, chemical, and neutronic parameters.
