Supplementing fuel behaviour analyses via coupled Monte Carlo neutronics and fission product solution

Rintala, Ville; Suikkanen, Heikki; Arndt, Sebastian; Uffelen, P. Van

doi:10.1016/j.nucengdes.2022.111668

Cited by 2 publications

(1 citation statement)

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“…The Monte Carlo neutron transport code SERPENT 2 was coupled with the fuel performance code TRANSURANUS in two-way strategy to enhance fuel performance analyses (Suikkanen et al, 2020) and the Monte Carlo code RMC was coupled with multiphysics software COMSOL for FCM fuel segment (Weng et al, 2021). Recently, coupling between the fuel performance code TRANSURANUS and neutronics solver Serpent was further improved by transferring and utilizing nuclide compositions within the coupled calculations (Rintala et al, 2022). There are many challenges for coupling codes, such as communication of data across different mesh grids, convergence of the nonlinear coupling to some tolerance value.…”

Section: Introductionmentioning

confidence: 99%

Development of multiphysics coupling system for nuclear fuel rod with COMSOL and RMC

Liu

Zeng²,

Qi³

et al. 2023

Front. Energy Res.

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Coupling fuel performance and neutronics can help improve the prediction accuracy of fuel rod behavior, which is important for fuel design and performance evaluation. A fuel rod multiphysics coupled system was developed with multiphysics software COMSOL and 3D Monte Carlo neutron transport code RMC. The fuel performance analysis module was built on top of COMSOL with the ability to simulate the fuel behavior in two-dimensional axisymmetric (2D-RZ) or three-dimensional (3D) mode. RMC was innovatively wrapped as a component of COMSOL to communicate with the fuel performance analysis module. The data transferring and the coupling process was maintained using COMSOL’s functionality. Two-way coupling was achieved by mapping power distribution and fast neutron flux fields from RMC to COMSOL and the temperature and coolant density fields from COMSOL to RMC. A fuel rod pin lattice was modeled to demonstrate the coupling. Results show that the calculated power and temperature distributions are reasonable. Considering the flexibility of the coupled system, it can be applied to the performance evaluation of new fuel design.

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Section: Introductionmentioning

confidence: 99%