Anomaly Detection in Smart Environments: A Comprehensive Survey
Anomaly detection is a critical task in ensuring the security and safety of infrastructure and
individuals in smart environments. This paper provides a comprehensive analysis of recent …
individuals in smart environments. This paper provides a comprehensive analysis of recent …
A deep learning approach to anomaly detection in nuclear reactors
In this work, a novel deep learning approach to unfold nuclear power reactor signals is
proposed. It includes a combination of convolutional neural networks (CNN), denoising …
proposed. It includes a combination of convolutional neural networks (CNN), denoising …
[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 …
A new Monte Carlo method for neutron noise calculations in the frequency domain
A Rouchon, A Zoia, R Sanchez - Annals of Nuclear Energy, 2017 - Elsevier
Neutron noise equations, which are obtained by assuming small perturbations of
macroscopic cross sections around a steady-state neutron field and by subsequently taking …
macroscopic cross sections around a steady-state neutron field and by subsequently taking …
[HTML][HTML] Development and verification of a methodology for neutron noise response to fuel assembly vibrations
D Chionis, A Dokhane, L Belblidia, H Ferroukhi… - Annals of Nuclear …, 2020 - Elsevier
Nuclear reactors are stochastic systems, in which several parameters fluctuate even during
steady-state conditions. In addition, structural components like fuel assemblies, vibrate due …
steady-state conditions. In addition, structural components like fuel assemblies, vibrate due …
[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 …
A time and frequency domain analysis of the effect of vibrating fuel assemblies on the neutron noise
The mechanical vibrations of fuel assemblies have been shown to give rise to high levels of
neutron noise, triggering in some circumstances the necessity to operate nuclear reactors at …
neutron noise, triggering in some circumstances the necessity to operate nuclear reactors at …