[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] 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 …
CORTEX experiments, Part II: Postprocessing of neutron noise time series to determine reliable mean and uncertainties
K Ambrožič, A Knospe, O Pakari, S Hübner… - Annals of Nuclear …, 2024 - Elsevier
In this paper we present the methodology developed to analyze the detector response of
neutron noise experiments performed at EPFL CROCUS and TUD AKR-2 reactors in the …
neutron noise experiments performed at EPFL CROCUS and TUD AKR-2 reactors in the …
[HTML][HTML] Edge-wise perturbations to model vibrating fuel assemblies in the frequency-domain using FEMFFUSION: Development and verification
The mechanical vibrations of fuel assemblies have shown to give high levels of neutron
noise, triggering in some circumstances the necessity to operate nuclear reactors at a …
noise, triggering in some circumstances the necessity to operate nuclear reactors at a …
Neutronic simulation of fuel assembly vibrations in a nuclear reactor
The mechanical vibrations of core internals such as fuel assemblies (FAs) cause oscillations
in the neutron flux that require in some circumstances nuclear power plants to operate at a …
in the neutron flux that require in some circumstances nuclear power plants to operate at a …
Analysis of the first COLIBRI fuel rods oscillation campaign in the CROCUS reactor for the European project CORTEX
The Horizon2020 European project CORTEX aims at developing an innovative core
monitoring technique that allows detecting anomalies in nuclear reactors, such as excessive …
monitoring technique that allows detecting anomalies in nuclear reactors, such as excessive …
CORTEX experiments–Part I: Modulation campaigns in AKR-2 & CROCUS for the validation of neutron noise codes
V Lamirand, A Knospe, K Ambrožič, S Hübner… - Annals of Nuclear …, 2025 - Elsevier
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 …
Characterization of high harmonic frequencies in reactor noise experiments within the CORTEX project
K Ambrožič, V Larmirand… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We present a novel technique of neutron noise detection and experimental data
interpretation developed during the EU H2020 project CORTEX aiming to improve the …
interpretation developed during the EU H2020 project CORTEX aiming to improve the …
[HTML][HTML] A memory-efficient neutron noise algorithm for reactor physics
P Cosgrove, M Kraus, V Raffuzzi - Annals of Nuclear Energy, 2024 - Elsevier
The neutron noise equation contains a fixed source term where the neutron angular flux is
present. Deterministic noise solvers have tended to solve for and store this angular flux term …
present. Deterministic noise solvers have tended to solve for and store this angular flux term …