Abstract
This paper presents results obtained by reproducing a VVER-1000 lattice physics benchmark using the Serpent2 code. The benchmark data are related to the initial cycles of the Khmelnitskiy nuclear power plant. This study compares results obtained with the Serpent2 code against those calculations published in the benchmark document. Detailed descriptions are provided for two fuel assemblies; one without gadolinium in the fuel pins, and the other with gadolinium. A sensitivity study is performed utilizing different nuclear data libraries, different depletion sequences (including pin by pin burnup) and different number of radial regions within the fuel pins containing gadolinium. The infinite multiplication factor behavior and isotopic concentrations of major isotopes are compared and discussed. It is concluded that Serpent2 provided reasonable results in comparison with the other codes used in the benchmark.
| Original language | English |
|---|---|
| Pages (from-to) | 948-957 |
| Number of pages | 10 |
| Journal | Annals of Nuclear Energy |
| Volume | 110 |
| DOIs | |
| State | Published - Dec 2017 |
| Externally published | Yes |
Funding
We would like to thank Dr. Thomas Lötsch for his extensive help with our work, for answering questions and clarifying issues we encountered in developing our models. Support from IAEA fellowship number C6/CZR/14007 was used in this work.
| Funders | Funder number |
|---|---|
| International Atomic Energy Agency | C6/CZR/14007 |
Keywords
- Depletion calculation
- Khmelnitskiy benchmark
- SERPENT
- Sensitivity study
- TVSA
- VVER 1000