K-J polar angular quadrature set for a method of characteristics based on neutrons cattering cross-sections
| Autor: | Tatjana Jevremovic, I Lucas Albright, Donghoon Kim, L Brittney Saenz |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Physics
Scattering TRIGA AGENT code C5G7 benchmark Computational physics Quadrature (astronomy) Nuclear Energy and Engineering Method of characteristics neutron anisotropic scattering Polar lcsh:QC770-798 Neutron lcsh:Nuclear and particle physics. Atomic energy. Radioactivity polar angular quadrature set Safety Risk Reliability and Quality method of characteristics |
| Zdroj: | Nuclear Technology and Radiation Protection, Vol 34, Iss 1, Pp 13-28 (2019) |
| ISSN: | 1452-8185 1451-3994 |
| Popis: | A novel polar angular quadrature set called the Kim-Jevremovic polar angular quadrature set is derived for the method of characteristics. It is based on neutron anisotropic scattering cross-sections in the Evaluated Nuclear Data File. This new set is implemented within the state-of-the-art neutron transport code AGENT and tested in comparison to MCNP6 as well as to other known quadrature sets for the UO2 unit cells, the well-known C5G7 benchmark, unreflected cylinders of uranyl-fluoride solutions in heavy water, and the University of Utah 100 kWth TRIGA MARK-I reactor core. These comparisons show that the newly proposed polar angular quadrature set provides better agreements than other quadrature sets for the lower order of anisotropic scattering expansions. This paper presents a complete derivation of the Kim-Jevremovic polar angular quadrature set and the analysis for the mentioned bench-mark examples. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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