Validation of the CSAS25 module of SCALE: Part 2, Highly enriched uranium metal systems
This is Part 2 of a series of validation studies dealing with highly enriched uranium systems. For this study six sets of critical experiments involving uranium metal have been modeled and an effective multiplication factor, k[sub eff], calculated for each experiment. 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 Va. 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 Va 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 END/B-IV, and the 123 group Gam-Thermos. Provided in Section 2 are general descriptions of the experiments performed. Section 3, Results, consists primarily of tables listing the calculated k[sub eff]'s. Lastly, Sections 4 and 5 give a general discussion of observed trends in the results and suggested biases.
- Research Organization:
- Westinghouse Idaho Nuclear Co., Inc., Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC07-84ID12435
- OSTI ID:
- 6630522
- Report Number(s):
- WINCO-1117; ON: DE93012543
- Country of Publication:
- United States
- Language:
- English
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11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
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HIGHLY ENRICHED URANIUM
CROSS SECTIONS
S CODES
VALIDATION
CRITICALITY
EXPERIMENT PLANNING
NUCLEAR DATA COLLECTIONS
REACTOR PHYSICS
SPENT FUELS
URANIUM 235
ACTINIDE ISO
ACTINIDE NUCLEI
ACTINIDES
ALPHA DECAY RADIOISOTOPES
COMPUTER CODES
ELEMENTS
ENERGY SOURCES
ENRICHED URANIUM
EVEN-ODD NUCLEI
FUELS
HEAVY NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPE ENRICHED MATERIALS
ISOTOPES
MATERIALS
METALS
MINUTES LIVING RADIOISOTOPES
NUCLEAR FUELS
NUCLEI
PHYSICS
PLANNING
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REACTOR MATERIALS
SPONTANEOUS FISSION RADIOISOTOPES
TESTING
URANIUM
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220100* - Nuclear Reactor Technology- Theory & Calculation
050700 - Nuclear Fuels- Fuels Production & Properties
990200 - Mathematics & Computers