Results 11 to 20 of about 16,577 (167)
Brazilian Journal of Radiation Sciences, 2023 Collimated thermal neutron beams are obtained from neutron extraction channels in nuclear reactors for various applications in research and technology, such as neutron imaging techniques (neutron radiography, neutron radioscopy, neutron tomography, and ...
Antônio Cezar Orozco +2 more
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Numerical simulation of controllable source neutron porosity logging based on CLYC detector
He jishu, 2021 BackgroundUsing Cs2LiYCl6:Ce (CLYC) instead of 3He detector in neutron porosity logging has become a new idea for the development of logging tools.PurposeThis study aims to investigate the feasibility of using a new CLYC crystal based detector in neutron
ZHOU Yue +4 more
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Eurasian Journal of Physics and Functional Materials, 2021 Neutrons are produced in accelerators by irradiating heavy targets with an electron or proton beam. Produced neutrons are of high energy. The purpose of our work is optimization the neutron flux by MCNP-6 code for production the thermal neutron flux ...
A. .. Didi +5 more
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He jishu, 2023 BackgroundFLiBe is commonly used as the coolant and carrier salt in liquid molten salt reactors (MSRs). Its certain moderating properties and thermal neutron scattering attributes affect the neutronic performance of the MSR, and this in turn influences ...
ZHANG Zhicheng +3 more
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Experimental confirmation of a new method for selective neutron separation [PDF]
Nuclear Energy and Technology, 2020 The article presents an experimental confirmation of the operability of neutron concentrators in devices that form and use directed high-intensity thermal neutron beams with elliptical channels made as blocks of profiled graphite and aluminum plates. The
Yuri V. Drobyshevsky +5 more
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Measurement of temperature-dependent thermal neutron spectrum in CaH2 moderator material for space reactor [PDF]
EPJ Web of Conferences, 2020 In order to accurately design a CaH2 moderated small high-temperature reactor, it is necessary to experimentally confirm the temperature-dependent thermal neutron spectrum in the CaH2 moderator material.
lee Jaehong +6 more
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Thermal neutron albedo and flux for different geometries neutron guide
Nuclear Engineering and Technology, 2019 This paper presents a study on thermal neutron reflection properties of neutron guide for cylinder, spindle, elliptic and parabolic geometries using 241Am-Be neutron source (5.2 Ci) and BF3 detector, whereas neutron guide is important instrument for ...
S. Azimkhani +2 more
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Brazilian Journal of Radiation Sciences, 2022 The Brazilian Neutron Laboratory at the Institute of Radioprotection and Dosimetry (IRD) developed and built a new standard facility for thermal neutron flux, seeking to provide a new homogeneous fluence to calibrate neutron detectors and personal ...
Larissa Paizante Santos da Silva +3 more
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Neutron irradiation sensitivity of thermal conductivity for Al2O3 nanofluids
Materials Research Express, 2020 In this work, the thermal conductivity of Al _2 O _3 nanofluids has been investigated for the sensitivity towards neutron irradiation. The solution combustion method has been used for the synthesis of Al _2 O _3 nanoparticles that have been used for the ...
Ravi Agarwal +4 more
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Cosmic-ray neutron transport at a forest field site: the sensitivity to various environmental conditions with focus on biomass and canopy interception [PDF]
Hydrology and Earth System Sciences, 2017 Cosmic-ray neutron intensity is inversely correlated to all hydrogen present in the upper decimeters of the subsurface and the first few hectometers of the atmosphere above the ground surface.
M. Andreasen +5 more
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