[HTML][HTML] Frequency-domain models in the SPN approximation for neutron noise calculations
Simulations of the neutron flux fluctuations, known as neutron noise, can be performed by
means of the spherical harmonics equations (SP N) approximation with higher accuracy …
means of the spherical harmonics equations (SP N) approximation with higher accuracy …
[HTML][HTML] CORE SIM+: A flexible diffusion-based solver for neutron noise simulations
The paper presents CORE SIM+, a tool developed for diffusion-based neutron noise
simulations. The simulator is based on the 3-dimensional, two-energy group neutron …
simulations. The simulator is based on the 3-dimensional, two-energy group neutron …
FEMFFUSION and its verification using the C5G7 benchmark
FEMFFUSION is an open source code that solves the multigroup neutron transport equation
using the diffusion and the SP N approximations. This code uses the continuous Galerkin …
using the diffusion and the SP N approximations. This code uses the continuous Galerkin …
[HTML][HTML] Modelling and simulations of reactor neutron noise induced by mechanical vibrations
Mechanical vibrations of core internals are among the main perturbations that induce
oscillations in the neutron flux field, also known as neutron noise. In this work, different …
oscillations in the neutron flux field, also known as neutron noise. In this work, different …
[HTML][HTML] Studies of reactor noise response to vibrations of reactor internals and thermal-hydraulic fluctuations in PWRs
V Verma, D Chionis, A Dokhane, H Ferroukhi - Annals of Nuclear Energy, 2021 - Elsevier
This work is a contribution towards the development of computational methods that allow
investigation and prediction of reactor noise response due to in-core perturbations such as …
investigation and prediction of reactor noise response due to in-core perturbations such as …
[HTML][HTML] Modeling noise experiments performed at AKR-2 and CROCUS zero-power reactors
Abstract CORTEX is a EU H2020 project (2017-2021) devoted to the analysis of'reactor
neutron noise'in nuclear reactors, ie the small fluctuations occurring around the stationary …
neutron noise'in nuclear reactors, ie the small fluctuations occurring around the stationary …
Modeling and simulation of neutron noise triggered by fuel assembly vibrations in 3D hexagonal geometry
Neutron noise is a natural phenomenon in nuclear reactors. Hence, its investigation plays a
significant role in nuclear reactor physics and safety-related issues. While neutron noise …
significant role in nuclear reactor physics and safety-related issues. While neutron noise …
CORTEX experiments–Part I: Modulation campaigns in AKR-2 & CROCUS for the validation of neutron noise codes
We present the experimental campaigns–namely, three per facility–carried out between
2018 and 2021 in the AKR–2 and CROCUS zero power reactors within the framework of the …
2018 and 2021 in the AKR–2 and CROCUS zero power reactors within the framework of the …
Analysis of the neutron noise induced by fuel assembly vibrations
The investigation of neutron noise is key to several applications in nuclear reactor physics,
such as the detection of control rod or assembly vibrations and the diagnostic of coolant …
such as the detection of control rod or assembly vibrations and the diagnostic of coolant …
Variance reduction and noise source sampling techniques for Monte Carlo simulations of neutron noise induced by mechanical vibrations
Neutron noise in nuclear power reactors refers to the small fluctuations around the average
neutron flux at steady state resulting from time-dependent perturbations inside the core. The …
neutron flux at steady state resulting from time-dependent perturbations inside the core. The …