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Validation of the CSAS25 module of SCALE: Part 1, Highly enriched uranium solutions

Technical Report ·
OSTI ID:7368443
;

Six sets of critical experiments have been modeled and an effective multiplication factor, k[sub eff], calculated for each experiment. Each of the experiments used either uranyl nitrate or uranyl fluoride solution as the fissile material. The calculations of k[sub eff] were performed using the CSAS25 module of SCALE 4. The CSAS25 module is made up of three distinct programs, BONAMI-II, NITAWL-II, and KENO V.a. BONAMI-II and NITAWL-II are cross section manipulation routines capable of adjusting cross sections to take into account effects due to temperature, geometry, and composition. KENO V.a. is a monte carlo program that determines k[sub eff] using the adjusted cross sections. Three cross section libraries available in SCALE were used for this study, the 16 group Hansen-Roach, the 27 group ENDF/B-IV, and the 123 group Gam-Thermos.

Research Organization:
Westinghouse Idaho Nuclear Co., Inc., Idaho Falls, ID (United States)
Sponsoring Organization:
DOE; USDOE, Washington, DC (United States)
DOE Contract Number:
AC07-84ID12435
OSTI ID:
7368443
Report Number(s):
WINCO-1116; ON: DE93012542
Country of Publication:
United States
Language:
English

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Related Subjects

050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
42 ENGINEERING
420203* -- Engineering-- Handling Equipment & Procedures
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
ACTINIDE COMPOUNDS
ACTINIDES
AQUEOUS SOLUTIONS
C CODES
COMPUTER CODES
CRITICALITY
CROSS SECTIONS
DISPERSIONS
ELEMENTS
ENRICHED URANIUM
FISSILE MATERIALS
FISSIONABLE MATERIALS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HIGHLY ENRICHED URANIUM
IDAHO NATIONAL ENGINEERING LABORATORY
ISOTOPE ENRICHED MATERIALS
MATERIALS
METALS
MIXTURES
MULTIPLICATION FACTORS
NATIONAL ORGANIZATIONS
NITRATES
NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
S CODES
SOLUTIONS
URANIUM
URANIUM COMPOUNDS
URANYL COMPOUNDS
URANYL FLUORIDES
URANYL NITRATES
US DOE
US ERDA
US ORGANIZATIONS