ORIGINAL RESEARCH article
Front. Nucl. Eng.
Sec. Nuclear Reactor Design
Volume 4 - 2025 | doi: 10.3389/fnuen.2025.1595628
This article is part of the Research TopicMultiphysics Methods and Analysis Applied to Nuclear Reactor SystemsView all 7 articles
Coupling of the Monte Carlo iMC and OpenFoam Codes for Multi-physics Calculations of Molten Salt Reactors
Provisionally accepted
- Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
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This paper presents the development of a multiphysics coupled framework of Monte Carlo neutronics iMC and OpenFOAM Computational Fluid Dynamics (CFD) codes for molten salt reactor (MSR) analysis. The overall coupling scheme is handled, including the framework structure and iteration scheme. Also, related techniques to enhance the accuracy and efficiency of the coupling are introduced, such as delayed neutron precursor tracking. The framework is applied to a simple molten salt reactor model and achieves a converged solution. In addition, sensitivity studies on the neutronics mesh are performed. The research demonstrates the capability of the iMC-OpenFOAM coupled framework to achieve a converged solution and provides significant insights into the analysis of the MSRs.
Keywords: monte carlo, Molten salt reactor, IMC, OpenFOAM, Multiphysics
Received: 18 Mar 2025; Accepted: 30 Jun 2025.
Copyright: © 2025 Kim, Oh and Kim. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Yonghee Kim, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
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