Anomaly Detection in Smart Environments: A Comprehensive Survey

D Fährmann, L Martín, L Sánchez, N Damer - IEEE Access, 2024 - ieeexplore.ieee.org
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 …

A deep learning approach to anomaly detection in nuclear reactors

F Calivá, FS De Ribeiro, A Mylonakis… - … joint conference on …, 2018 - ieeexplore.ieee.org
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 …

[HTML][HTML] Frequency-domain models in the SPN approximation for neutron noise calculations

A Carreño, A Vidal-Ferràndiz, D Ginestar… - Progress in Nuclear …, 2022 - Elsevier
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 …

[HTML][HTML] CORE SIM+: A flexible diffusion-based solver for neutron noise simulations

A Mylonakis, P Vinai, C Demazière - Annals of nuclear energy, 2021 - Elsevier
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 …

FEMFFUSION and its verification using the C5G7 benchmark

Y Fontenla, A Vidal-Ferràndiz, A Carreño… - Annals of Nuclear …, 2024 - Elsevier
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 …

[HTML][HTML] Modelling and simulations of reactor neutron noise induced by mechanical vibrations

A Vidal-Ferràndiz, D Ginestar, A Carreño… - Annals of Nuclear …, 2022 - Elsevier
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 …

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 …

[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 …

[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 …

A time and frequency domain analysis of the effect of vibrating fuel assemblies on the neutron noise

A Vidal-Ferràndiz, A Carreño, D Ginestar… - Annals of Nuclear …, 2020 - Elsevier
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 …