SERPENT validation and optimization with mesh adaptive search on stereolithography geometry models

A Talamo, Y Gohar, J Leppänen - Annals of Nuclear Energy, 2018 - Elsevier
Abstract The SERPENT Monte Carlo code has the unique capability to simulate neutron and
gamma transport using a stereolithography (STL) geometry. The STL geometry can model …

Simulation of the Measured Reactivity Distributions in the Subcritical MYRRHA Reactor

J Janczyszyn, G Domańska, M Oettingen - Energies, 2024 - mdpi.com
The designed MYRRHA reactor, in its subcritical version, will be equipped with a set of
detectors monitoring its condition by measuring the current value of negative reactivity …

Advances in the computation of the Sjöstrand, Rossi, and Feynman distributions

A Talamo, Y Gohar, F Gabrielli, A Rineiski… - Progress in Nuclear …, 2017 - Elsevier
This study illustrates recent computational advances in the application of the Sjöstrand
(area), Rossi, and Feynman methods to estimate the effective multiplication factor of a …

Correction factor for the experimental prompt neutron decay constant

A Talamo, Y Gohar, S Sadovich, H Kiyavitskaya… - Annals of Nuclear …, 2013 - Elsevier
This study introduces a new correction factor to obtain the experimental effective
multiplication factor of subcritical assemblies by the point kinetics formulation. The correction …

Monte Carlo and deterministic neutronics analyses of YALINA thermal facility and comparison with experimental results

A Talamo, Y Gohar, H Kiyavitskaya, V Bournos… - Nuclear …, 2013 - Taylor & Francis
Abstract This study compares Monte Carlo and deterministic neutronics analyses of the zero-
power YALINA Thermal subcritical assembly, which is located in Minsk, Belarus. The …

Evaluation of spatial correction factors for BRAHMMA subcritical assembly

S Bajpai, T Roy, N Ray, Y Kashyap… - Nuclear Science and …, 2015 - Taylor & Francis
The reactivity measurement in a subcritical assembly using the area ratio method is affected
by the detector location and needs to be corrected for spatial dependence. One of the …

Neutron detector signal processing to calculate the effective neutron multiplication factor of subcritical assemblies

A Talamo, Y Gohar - 2016 - osti.gov
This report describes different methodologies to calculate the effective neutron multiplication
factor of subcritical assemblies by processing the neutron detector signals using MATLAB …

Paralyzable and non-paralyzable dead-time corrections for the neutron detectors of the KUCA facility driven by external neutron sources

A Talamo, Y Gohar, M Yamanaka… - Journal of Nuclear …, 2020 - Taylor & Francis
This study examines dead-time corrections for the neutron detectors of the Kyoto University
Critical Assembly (KUCA) driven by a stationary or pulsed external neutron sources. For the …

Calculation of the cross and auto power spectral densities for low neutron counting from pulse mode detectors

A Talamo, Y Gohar, T Yamamoto, M Yamanaka… - Annals of Nuclear …, 2019 - Elsevier
This study presents a novel methodology to calculate the prompt neutron decay constant of
a subcritical assembly from the cross and auto power spectral densities of detectors …

Application of the backward extrapolation method to pulsed neutron sources

A Talamo, Y Gohar - Nuclear Instruments and Methods in Physics …, 2018 - Elsevier
Particle detectors operated in pulse mode are subjected to the dead-time effect. When the
average of the detector counts is constant over time, correcting for the dead-time effect is …