Core configuration analysis for modular gas-cooled fast reactor (GFR) using OpenMC

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Abstract

The core configuration analysis of modular Gas-cooled Fast Reactor (GFR) has been done to understand GFR performance. The modular GFR used a fast neutron spectrum and high-temperature helium gas, providing higher thermal efficiency than the other generation IV reactor candidates. In this paper, the variation of core configuration and dimension for core design has been applied in radial, axial, and radial-axial directions. The Monte Carlo method, named OpenMC code, has been used for the criticality and isotope evaluation of design core GFR. The OpenMC code provides the probabilistic solution to solve the neutron transport equation in a 3D model and non-homogenous physical volumes using Evaluated Nuclear Data File (ENDF/B-VII.b5) and continuous energy spectrum. The neutronics parameters characterized are the value of keff, fission rate and neutron flux distribution, and fissile material evolution to know of GFR core design's performance. The analysis showed that the core configuration in radial direction gives a good understanding of the feasibility of GFR core design.

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APA

Raflis, H., Ilham, M., Su’ud, Z., Waris, A., & Irwanto, D. (2021). Core configuration analysis for modular gas-cooled fast reactor (GFR) using OpenMC. In Journal of Physics: Conference Series (Vol. 2072). IOP Publishing Ltd. https://doi.org/10.1088/1742-6596/2072/1/012007

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