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Monte Carlo-Based Validation of the ENDF/MC2-II/SDX Cell Homogenization Path

Conference ·
OSTI ID:6494481
 [1]
  1. Argonne National Laboratory (ANL), Argonne, IL (United States)
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The results are summarized of a program of validation of the unit cell homogenization prescriptions and codes used for the analysis of Zero Power Reactor (ZPR) fast breeder reactor critical experiments. The ZPR drawer loading patterns comprise both plate type and pin-calandria type unit cells. A prescription is used to convert the three-dimensional physical geometry of the drawer loadings into one dimensional calculational models. The ETOE-II/MC2-II/SDX code sequence is used to transform ENDF/B basic nuclear data into unit cell average broad group cross sections based on the 1D models. Cell average, broad group anisotropic diffusion coefficients are generated using the methods of Benoist or of Gelbard. The resulting broad (approx. 10 to 30) group parameters are used in multigroup diffusion and Sn transport calculations of full core XY or RZ models which employ smeared atom densities to represent the contents of the unit cells.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
6494481
Report Number(s):
CONF-7811105-1
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
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
97 MATHEMATICS AND COMPUTING
BREEDER REACTORS
Benoist
COMPUTER CODES
Critical Experiments
EPITHERMAL REACTORS
EXPERIMENTAL REACTORS
Evaluated Nuclear Data File (ENDF)
FAST REACTORS
FBR TYPE REACTORS
Fast Breeder Reactor
GAS COOLED REACTORS
GCFR TYPE REACTORS
Gelbard
KINETICS
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
MATHEMATICAL MODELS
MOCKUP
MONTE CARLO METHOD
Nuclear Criticality Safety Program (NCSP)
REACTOR KINETICS
REACTORS
RESEARCH AND TEST REACTORS
STRUCTURAL MODELS
ZERO POWER REACTORS
Zero Power Reactor (ZPR)