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CONSYST/ABBN Data Code System

CONSYST/ABBN Data Code System. Gennady Manturov (IPPE, Obninsk). Moscow, June 4-6 2007. ABBN -93 299 n + 15 (127)  P 5. NJOY , GRUCON. SYNTES. ENDF/B- 5, 6 JENDL- 3 JEF-2 , 3. Evaluated Nuclear Data FOND-2 .2. PRECON. CONSYST. FACT-BR. RUSFOND. TRIGEX. Constants

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CONSYST/ABBN Data Code System

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  1. CONSYST/ABBN Data Code System Gennady Manturov (IPPE, Obninsk) Moscow, June 4-6 2007

  2. ABBN-93 299 n + 15(127) P5 NJOY, GRUCON SYNTES ENDF/B-5, 6 JENDL-3 JEF-2, 3 Evaluated Nuclear Data FOND-2.2 PRECON CONSYST FACT-BR RUSFOND TRIGEX Constants preparation JAR-FR GMF format 299n+15(127), P5 NJOY (ACER) FFCP (cell code) GEFEST Design calculations ACE format SUBGRAN (subgroups) FORMCNP TWODANT MMKKENO MCNP (group mode) MCNP (continuous) Precise calculations CARE-ORIGEN ABBN Calculation Scheme Depletion calculations

  3. ABBN-93 • The ABBN-93 was prepared from the FOND-2.2 data library (Files Of evaluated Nuclear Data), which contains selected data from JENDL-3, BROND-2, ENDF/B-VI, and JEF-2 libraries. • The selection was based on the detailed study of the libraries. It includes checking of the completeness of the data, year of evaluation, comparison of group cross sections, comparison of calculated thermal cross sections and resonance integrals with measured values, comparison of calculated results with experimental results on several fast critical assemblies, etc. • During this work, several errors in the data were identified and rectified, some data were modernized. • Compiling, modifying and checking of the FOND-2.2 library and retrieving of the group cross sections from the data files was done by Vladimir Koscheev.

  4. RUSFOND • RUSFOND – Russian library of files of evaluated nuclear data • Created on the order of the Russian Ministry for Science and Education in 2005 -2006. • Contains evaluated nuclear data for all stable nuclides and all radio nuclides with T1/2 > 1 day. • The most reliable files were selected from FOND-2.2, BROND-3, JENDL-3.3, ENDF/B-VII, JEFF-3.1 and EAF-2003 (for radio nuclides). • The selection was based on cross-checking of the evaluated data one with another and comparison with experimental data from EXFOR. Preliminary neutron data validation through the integral experiments was also made during the selection of the data. As the result of this, different modifications were included in the selected files for many nuclides. • It includes files for 654 materials and 20 files of different lows for scatterings in the thermal region

  5. ABBN data tables • ABBN-93 presents group constants for 299 neutron energy groups - from the thermal up to 20 MeV, and for 127 photon groups - from 0 and up to 11 MeV. • Resonance self-shielding effects are taken into account by using Bondarenko self-shielding f-factors. • Nikolaev's subgroup parameters are also included to 299-group constants sets (they can be used in cases when the spatial dependence of group constants is essential) • Effects of neutron thermalization are accounted by P0 and P1 73-grouped thermal scattering matrices in the energy region below 4.65 eV as function of the neutron gas temperature. • The ABBN-93 group constants are presented as in the form of formatted tables which can be easily viewed so in binary form. Both data sets (and their combination) can be used in the calculations.

  6. ABBN Verification Scheme Micro Macro experiment experiment FORAN CONSYST evaluation evaluation M M ANISN format S ABBN-93 g s g I A HANDBOOK FOND PRECONS C C MMKKENO NJOY R TRIGEX R TWODANT Benchmarkls GRUCON MCNP O O -K K DK= ¶ /¶s K ¶M/¶s old e c ds g ± g g LEMEX LUND I N D E C S dK ± new ds ± g CORE It depends staistical analysis 2 c K' -K biasesD s c e g D M d M ±

  7. MICRO Media ENDF/B-VI ENDF/B-VII BROND-2 ABBN-93 NJOY FOND-2.2 RUSFOND ГРУКОН LUND LIPAR-5 JENDL-3 - Analysis of measurements of cross-sections - Selection of files - Preparation of group constants - Evaluation of group constants uncertainties

  8. MACRO Media ICSBEP BFS, КОBRА, МАТR MASURСA, SuperPhenix IRPhE TRIGEX FFCP Analysis LEMEX MMKKENO TWODANT LSENS ZPR, ZPPR, FCA BN-600, BN-350, BOR-60 MCNP - Analysis of experiments - Creation of benchmarks - International activity

  9. INDECS System

  10. Experiments for Neutron Data Validation

  11. Validation of Structural Materials • KBR Assemblies • Calculation-Experiment Deviations, %

  12. Used Data Bases • ICSBEP- NEA/OECD, benchmark experiments on criticality safety- IRPhEP - NEA/OECD, reactor physics benchmark experiments- BFS-IPPE, FR mock-up experiments- SINBAD- NEA/OECD, shielding benchmarks

  13. The Big Physical Facility – BFS (IPPE)

  14. Some calculation results with RUSFOND:

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