Results 41 to 50 of about 2,139 (206)

A MCNP simulation study of neutronic calculations of spallation targets [PDF]

open access: yesNuclear Technology and Radiation Protection, 2013
The accelerator driven system is an innovative reactor which is being considered as a dedicated high-level waste burner. The function of the spallation target in accelerator driven system is to convert the incident high-energy particle beam to low ...
Feghhi Seyed Amir Hossein   +1 more
doaj   +1 more source

NOAA Space Weather Prediction Center Radiation Advisories for the International Civil Aviation Organization

open access: yesSpace Weather, Volume 21, Issue 7, July 2023., 2023
Abstract The National Oceanic and Atmospheric Administration's Space Weather Prediction Center (NOAA/SWPC) issues several solar radiation storm products: the long standing proton Warnings and Alerts that are based on particle intensity levels observed by the Geostationary Operational Environmental Satellites; and the more recent International Civil ...
H. M. Bain   +3 more
wiley   +1 more source

Nordic research and development cooperation to strengthen nuclear reactor safety after the Fukushima accident

open access: yesNuclear Engineering and Technology, 2019
A comprehensive study of photon interaction features has been made for some alloys containing Pd and Ag content to evaluate its possible use as alternative gamma radiations shielding material.
Christian Linde   +3 more
doaj   +1 more source

Evaluation of the radiation shielding properties of ornamental rocks produced in Brazil: A Monte Carlo approach

open access: yesBrazilian Journal of Radiation Sciences, 2023
In this work, the Monte Carlo MCNPX (2.7.0) code was used to evaluate the radioprotective properties of ten ornamental granitic samples produced in Brazil. For each sample of granite, the mass attenuation coefficient (µ/ρ) and half-value layer (HVL) were
William de Souza Santos   +6 more
doaj   +1 more source

The MCNPX Monte Carlo Radiation Transport Code

open access: yesAIP Conference Proceedings, 2007
MCNPX (Monte Carlo N‐Particle eXtended) is a general‐purpose Monte Carlo radiation transport code with three‐dimensional geometry and continuous‐energy transport of 34 particles and light ions. It contains flexible source and tally options, interactive graphics, and support for both sequential and multi‐processing computer platforms.
Laurie S. Waters   +7 more
openaire   +2 more sources

Modeling and experimental production yield of 64Cu with natCu and natCu-NPs in Tehran Research Reactor

open access: yesNuclear Engineering and Technology, 2019
64Cu is a favorable radionuclide in nuclear medicine applications because of its unique characteristics such as three types of decay (electron capture, β− and β+) and 12.7 h half-life.
Zahra Karimi   +2 more
doaj   +1 more source

Simulate the effect of integral burnable absorber on the neutronic characteristics of a PWR assembly [PDF]

open access: yesNuclear Energy and Technology, 2018
This article examines the effect of an integral burnable absorber (IBA) on the neutronic characteristics of Pressurized Water Reactor (PWR) to provide possible improvements for the fuel management.
A. Abdelghafar Galahom
doaj   +3 more sources

Evaluation of the secondary radiation impact on personnel during the dismantling of contaminated nuclear equipment [PDF]

open access: yesNuclear Technology and Radiation Protection, 2013
The article contains a numerical analysis of the secondary radiation contribution to the total radiation affecting the operational personnel during the dismantling activities of the contaminated equipment at a nuclear power plant. This study considers
Stankunas Gediminas   +3 more
doaj   +1 more source

Monte Carlo analysis of energy deposition and X-ray fluence in cylindrical anode systems. [PDF]

open access: yesJ Appl Clin Med Phys
Abstract Background Cylindrical anode X‐ray systems are increasingly used in multisource imaging; however, electron beam interactions with the curved anodes cause geometric distortions that alter energy deposition and X‐ray emission. Understanding these effects is key to optimizing system performance.
Alharbi MKM   +4 more
europepmc   +2 more sources

Impact of Eye and Breast Shielding on Organ Doses During Cervical Spine Radiography: Design and Validation of MIRD Computational Phantom

open access: yesFrontiers in Public Health, 2021
Purpose: The study aimed to design and validate computational phantoms (MIRD) using the MCNPX code to assess the impact of shielding on organ doses.Method: To validate the optimized phantom, the obtained results were compared with experimental results ...
Wiam Elshami   +8 more
doaj   +1 more source

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