Abstract
An increasing interest on the development of highly accurate methodologies in reactor physics has been observed during the last years. The McSAFE high-fidelity project has the objective of moving multiphysics schemes based on Monte Carlo (MC) neutronic calculations to become valuable tools for industry-like applications for LWRs for steady-state, burnup and transient calculations. This work deals with the transient calculation capabilities, developed here through the coupling between the Serpent 2 MC code and the subchannel code SUBCHANFLOW. This is done through a new versatile internal (master-slave) coupling, recently rewritten from scratch to include both codes inherent capabilities. To verify the implementation, a series of RIA-type transients scenarios are proposed and solved for a PWR minicore, considering a pin-by-pin level coupling. Global and detailed results are obtained and analyzed, verifying the consistency and showing the capabilities of the tool. Finally a raw estimation of resources requirements is presented and briefly discussed.
| Original language | English |
|---|---|
| Article number | 107090 |
| Journal | Annals of Nuclear Energy |
| Volume | 137 |
| DOIs | |
| Publication status | Published - Mar 2020 |
| MoE publication type | A1 Journal article-refereed |
Funding
This work was done within the McSAFE project which is receiving funding from the Euratom research and training programme 2014–2018 under grant agreement No 755097. This work was performed on the computational resource ForHLR II, funded by the Ministry of Science, Research and the Arts Baden-Württemberg and DFG (“ Deutsche Forschungsgemeinschaft ”).
Keywords
- Coupled transient calculations
- High-fidelity multiphysics
- Monte Carlo
- Serpent 2
- SUBCHANFLOW
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