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Showing 1 to 20 of 26 for “"Neutron generator"”.
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14 MeV neutron generator dose modeling
Modeling and understanding the doses around the neutron generator provides insightful data in regard to radiation safety and protection precautions. Published data can be used to predict doses, but realistic data for the Nuclear Engineering Teaching Laboratory’s Thermo MP 320 Neutron Generator …
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Characterization of neutron fields around an intense neutron generator
Neutron fields in the vicinity of the University of Ontario Institute of Technology neutron facility have been investigated in a series of simulations and experiments. The neutron fluence at several locations around the neutron generator facility has been simulated using MCNPX 2.7E Monte Carlo …
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Design of a Multiloop Pyroelectric Neutron Generator Control System
Pyroelectric neutron generators are compact, low power systems which may be capable of producing short intense pulses of neutrons from D-D fusion reactions. Initial analysis of pyrofusion dynamics has indicated the potential to manipulate the pulse characteristics through system control. This …
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Characterization and Modelling of the Gas Discharge in a SFID Neutron Generator
Made available in DSpace on 2017-07-06T18:48:31Z (GMT). No. of bitstreams: 3 Hochberg_Timothy_A_MS.pdf: 27107898 bytes, checksum: 2747bf82116a04cf4c06ccaa44493018 (MD5) Hochberg_Timothy_A_MS_ABS.pdf: 378082 bytes, checksum: 413354e8faa6cb34f532840d1e46b049 (MD5) license.txt: 4813 bytes, checksum: …
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Computational Modeling of the Axial-Cylindrical Inertial Electrostatic Confinement Fusion Neutron Generator
… Inertial Electrostatic Confinement fusion neutron generator (IEC C-Device) is a high-voltage, low-pressure glow discharge device that produces neutrons from the deuterium-deuterium fusion reaction. Such a neutron source has potential applications for neutron activation analysis and capture …
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Theory and Development of a Sealed Deuterium-Tritium Inertial Electrostatic Confinement Neutron Generator
Made available in DSpace on 2017-07-06T18:48:53Z (GMT). No. of bitstreams: 3 Jurczyk_Brian_E_MS.pdf: 33663196 bytes, checksum: e81a8371acdb97f52bdeedef8498229d (MD5) Jurczyk_Brian_E_MS_ABS.pdf: 555003 bytes, checksum: d36f0c88edc8eca8f57ecadb984adabd (MD5) license.txt: 4813 bytes, checksum: …
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Monte Carlo Study of Replacing Californium in a Shuffler with a Neutron Generator
Made available in DSpace on 2017-07-06T18:56:13Z (GMT). No. of bitstreams: 3 Schear_Melissa_A_MS.pdf: 65935271 bytes, checksum: aaa779f29ee5339a2088319f92377b1e (MD5) Schear_Melissa_A_MS_ABS.pdf: 527862 bytes, checksum: d5ec7b1828cce07fd047910b7af06814 (MD5) license.txt: 4813 bytes, checksum: …
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Neutron Resonance Transmission Analysis of Nuclear Material Using a Portable D-T Neutron Generator
… capacity to analyze thick or shielded targets. Neutron Resonance Transmission Analysis (NRTA) is an active neutron interrogation technique that addresses these challenges by offer- ing isotope-specificity, applicability to a wide range of mid- and high-Z isotopes, and the ability to assay …
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Neutron activation analysis of plantinum converter and furnace mattes using a D-T sealed tube neutron generator
Neutron activation analysis (NAA) has been applied to furnace matte and converter matte samples with the objective of studying the natural variation in the elemental composition of the samples, with a view to characterize the samples for their source of origin. The experimental work was carried out …
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Epithermal neutron activation analysis of short-lived radionuclides using a pneumatic transport system and a pulsed D-T neutron generator
… produced during irradiation by a D-T neutron generator was constructed. Target samples of indium, palladium, and germanium were irradiated by the neutron generator embedded in a graphite monolith to produce epithermal activation products. The three radioisotopes of interest are …
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Feasibility study of compact Neutron Resonance Transmission Analysis using a linac, a fusion-based neutron generator, and an isotopic source
… nuclear materials in a black box target. Neutron Resonance Transmission Analysis (NRTA) is a spectroscopic technique which uses resonant neutron absorption to identify isotopic compositions. Previous NRTA experiments have used expensive beam line facilities with kilometer-long …
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A new compact neutron spectrometer
A new compact neutron spectrometer has been designed, developed and characterized. The detector is based on EJ299-33 plastic scintillator coupled to silicon photomultipliers, and a digital implementation of pulse shape discrimination is used to separate events associated with neutrons from those …
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Intense pulsed neutron generation based on the principle of Plasma Immersion Ion Implantation (PI3) technique
… tritium-deuterium (D-D/ D-T) pulsed neutron generator based on the principle of the Plasma Immersion Ion Implantation (PI3) technique is presented, in terms of investigating development of a compact system to generate an ultra short burst of mono-energetic neutrons (of order 1010 per …
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The measurement of gamma ray-induced heating in a mixed neutron and gamma ray environment
… of measuring the gamma heating in a mixed DT neutron and gamma ray environment was explored. A new detector technique was developed to make this measurement. Gamma heating measurements were made in a low-Z assembly irradiated with 14-MeV neutrons and (n,n$\sp\prime$) gammas produced by a Texas …
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Measurement of neutron flux spectra in a Tungsten Benchmark by neutron foil activation method
… concept, rely on the results of neutron physical calculations. These depend on the knowledge of the neutron and photon flux spectra which is particularly important because it permits to anticipate the possible answers of the whole structure to phenomena such as nuclear heating, …
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Characterization of a Diamond Proton Recoil Telescope for DT Neutron Measurements in the LIBRA Experiment
… tritium breeding using beam-target style DT neutron generators to irradiate molten salt vessels. A critical aspect of understanding this process is the characterization of the energy and flux anisotropies within the neutron environment, which are inherent to the beam-target neutron generation …
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Development of neutron monitor for fusion systems
Currently, the detection of neutrons employs sensors with a high thermal neutron response embedded in a thermalizing medium. However, this approach does not provide much information on neutron energy and, therefore, is inherently unable to identify sources commonly used in the industry. The current …
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Radiation Shielding of Fusion Systems
… studies were performed on the Frascati neutron generator, and revealed that the code was able to predict shutdown gamma ray doserates to within ±3% of experimentally determined values, for decay times between 3×105 and 107 seconds. The development of the Ion Cyclotron Resonance Heater …
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Evaluation of fast neutron shielding effectiveness in light-element compounds
Fast neutron shielding has important applications in accelerator facilities, reactor technology, space radiation protection programs, and in minimizing the dose in radiation facilities. Due to their ability to reduce neutron energy and their high absorption cross sections, lightweight and low …
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Optimization of detector response simulations for multiple particles created by neutron-induced reactions
… introduces the design of the optimized Pulsed Neutron Facility (PNF), which consists of a D-T neutron generator, a fueled graphite monolith, and a detection system, and studies the optimization of detector response simulations for multiple particles created by neutron-induced reactions. Neutron …
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