Influence of field-of-view and section thickness of diagnostic imaging on thermal neutron flux estimation in dose-planning for boron neutron capture therapy
Sign Up to like & getrecommendations! Published in 2018 at "Radiological Physics and Technology"
DOI: 10.1007/s12194-018-00494-3
Abstract: Radiation treatment planning for boron neutron capture therapy (BNCT) often uses computed tomography (CT) images reconstructed utilizing various section thickness and field-of-view (FOV) settings. Based on these images, a geometrical model is created by setting… read more here.
Keywords: neutron; section thickness; thermal neutron; neutron flux ... See more keywords
Adjoint neutron flux calculations with Tripoli-4®: Verification and comparison to deterministic codes
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2017.12.001
Abstract: Abstract The possibility of computing adjoint-weighted scores by Monte Carlo methods is a subject of active research. In this respect, a major breakthrough has been achieved thanks to the rediscovery of the so-called Iterated Fission… read more here.
Keywords: adjoint; deterministic codes; neutron flux; code ... See more keywords
Benchmark on neutron flux spatial effects in subcritical system based on IRT-4 M fuel for near-core positions
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2021.108231
Abstract: Abstract The paper presents a benchmark aimed at assessing the accuracy of Monte Carlo codes to simulate the neutron detector response in near-core geometry of a subcritical water-moderated reactor. The experiment included six levels of… read more here.
Keywords: flux spatial; near core; detector; neutron flux ... See more keywords
Study of neutron flux calculation for material irradiation in HFETR
Sign Up to like & getrecommendations! Published in 2017 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2017.05.062
Abstract: Abstract The main task of High Flux Engineering Test Reactor (HFETR) is to carry out the irradiation test of nuclear materials, which require accurate irradiation neutron flux, however it is difficult due to specified fuel… read more here.
Keywords: irradiation hfetr; irradiation; flux calculation; neutron flux ... See more keywords
Conceptual design of a collimated neutron flux monitor and spectrometer for DTT
Sign Up to like & getrecommendations! Published in 2021 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2021.112382
Abstract: Abstract A conceptual design and performance studies for a collimated neutron flux monitor and neutron spectrometer for the Divertor Tokamak Test (DTT) facility are presented. This study is based on the single-null divertor configuration and… read more here.
Keywords: flux monitor; collimated neutron; conceptual design; neutron flux ... See more keywords
Evaluating the dependency of neutron spectra and absorbed dose rates on the collimation field size in fast neutron therapy
Sign Up to like & getrecommendations! Published in 2021 at "Heliyon"
DOI: 10.1016/j.heliyon.2021.e08274
Abstract: The aim of this research was to investigate the relationship between the collimator aperture and fast-neutron flux, neutron-energy spectrum and absorbed dose rate. For remote therapy, rather large fluxes of fast neutrons are needed which… read more here.
Keywords: neutron; energy; neutron flux; fast neutron ... See more keywords
Reconstruction of neutron flux distribution by nodal synthesis method using online in-core neutron detector readings
Sign Up to like & getrecommendations! Published in 2020 at "Progress in Nuclear Energy"
DOI: 10.1016/j.pnucene.2020.103574
Abstract: Abstract The safety and optimal performance of nuclear reactors require online monitoring in the core. The present paper describes a method that avoids the solution of the time-dependent neutron diffusion equation, and it uses online… read more here.
Keywords: neutron; neutron flux; flux distribution; harmonics ... See more keywords
In-Pile Qualification of a Fast-Neutron-Detection-System
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Nuclear Science"
DOI: 10.1051/epjconf/201817004025
Abstract: In order to ensure the quality and the relevance of irradiation programs in the future Jules Horowitz Reactor (JHR), the French Alternative Energies and Atomic Energy Commission (CEA) has significantly increased its research and development… read more here.
Keywords: fast neutron; detection; system; neutron flux ... See more keywords
Estimation of Thermal & Epithermal Neutron Flux and Gamma Dose Distribution in a Medical Cyclotron Facility for Radiation Protection Purposes Using Gold Foils and Gate 9.
Sign Up to like & getrecommendations! Published in 2021 at "Radiation protection dosimetry"
DOI: 10.1093/rpd/ncab034
Abstract: The aim of this study is to characterise the neutron flux generated directly behind targets used in medical cyclotrons. The characterisation process aims at determining the feasibility of using the generated neutrons for research purposes… read more here.
Keywords: cyclotron; neutron; radiation protection; neutron flux ... See more keywords
Simultaneous Estimation of Neutron Flux and Reactivity in Nuclear Reactors
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Nuclear Science"
DOI: 10.1109/tns.2020.3005115
Abstract: In this article, we propose a methodology based on cubature Kalman filtering (CKF) for simultaneous estimation of two important variables of nuclear reactors, viz. the neutron flux and the total core reactivity, from signals of… read more here.
Keywords: simultaneous estimation; reactivity; neutron flux; estimation ... See more keywords
Possible Implementation of Ex-core Measurement in TEPLATOR Graphite Reflector
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Nuclear Engineering and Radiation Science"
DOI: 10.1115/1.4050990
Abstract: An ex-core neutron flux measurement is a crucial system for all common power reactors. It is necessary to monitor neutron flux and control the chain reaction therefore the ex-core neutron flux measurement is one of… read more here.
Keywords: reflector; neutron flux; measurement; teplator ... See more keywords