An improved DeCART library generation procedure with explicit resonance interference using continuous energy Monte Carlo calculation
- Authors
- Park, Ho Jin; Kim, Kang Seog; Hong, Ser Gi; Jae, Seung Song
- Issue Date
- Jul-2017
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- DeCART; Multi-group library generation; Direct iteration method with resonance integral tables; Resonance treatment; McCARD; Small Modular Reactor
- Citation
- ANNALS OF NUCLEAR ENERGY, v.105, pp.95 - 105
- Indexed
- SCIE
SCOPUS
- Journal Title
- ANNALS OF NUCLEAR ENERGY
- Volume
- 105
- Start Page
- 95
- End Page
- 105
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/19535
- DOI
- 10.1016/j.anucene.2017.03.012
- ISSN
- 03064549
- Abstract
- DeCART multi-group cross section library generation procedure based on the KAERI library generation system was improved using the new alternative procedures based on the Monte Carlo slowing down calculations. In the new alternative procedures, the resonance integral tables were generated by solving the slowing down equation with continuous energy Monte Carlo calculations and the new procedures for the library generation were incorporated for the additional improvements. Most of fission product and actinide nuclides are processed as resonant nuclides to reduce the errors which are resulted from the approximate treatment of their resonance cross sections, and the one-group effective FPYs (Fission Product Yield) which are calculated by fission reaction rates are incorporated for improving the accuracy of the burnup calculations. Using the new procedure and ENDF/B-VII.1 evaluated nuclear data library, new DeCART cross section libraries are generated and they are tested for various benchmark calculations for pin-cell, FA, and core depletion problem against the McCARD reference solutions. The results confirmed that the new generated libraries can be used in the PWR SMR (Small Modular Reactor) core design.
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