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Showing 1 to 16 of 16 for “"coated particle"”.
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Thermodynamic and Thermochemical Investigation of Advanced Triso Coated Particle Fuels
… is an important part of GenIV development. The coated particle fuel concept has been considered since the 1940s and the zirconium carbide layer of the advanced coated particle fuel has been considered to solve the specific problems such as overpressurization, kernel swelling, kernel migration, …
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An integrated performance model for high temperature gas cooled reactor coated particle fuel
The performance of coated fuel particles is essential for the development and deployment of High Temperature Gas Reactor (HTGR) systems for future power generation. Fuel performance modeling is indispensable for understanding the physical behavior of fuel particles and achieving their high …
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Design optimization and analysis of coated particle fuel using advanced fuel performance modeling techniques
… properties provides another approach to optimize coated particle fuel used in pebble bed reactors. In this study, the MIT fuel performance model (TIMCOAT) was applied after benchmarking against the experiment results. The optimization study focuses on the fracture toughness of silicon carbide and …
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Development of a High Temperature Gas-Cooled Reactor TRISO-coated particle fuel chemistry model
… a High Temperature Gas-Cooled Reactor TRISO fuel particle. Fission product inventory versus burnup is calculated. Based on those results a thermodynamic analysis is performed to determine fission product vapor pressures, oxygen partial pressure, and carbon monoxide and carbon dioxide gas pressures …
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Benchmarking of the MIT High Temperature Gas-cooled Reactor TRISO-coated particle fuel performance model
MIT has developed a Coated Particle Fuel Performance Model to study the behavior of TRISO nuclear fuels. The code, TIMCOAT, is designed to assess the mechanical and chemical condition of populations of coated particles and to determine the failure probability of each of the structural coating …
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Aerosol Filtration And Separation
… St. Louis, 2009 Professor Da-Ren Chen, Advisor Particle control technologies are essential in many manufacturing industries: chemical, electronic, mineral, and food and beverages) as well as in pollution abatement and environmental control: for example, clean rooms and post processing of power …
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Tritium retention in nuclear graphite, system-level transport, and management strategies for the fluoride-salt-cooled high-temperature reactor
… salt coolant and tri-structural isotropic coated-particle fuel to produce power or process heat. Compared to current water-cooled reactors, managing tritium release from a FHR is further complicated by the mobility of tritium at high temperatures and limited knowledge of interactions …
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Tritium thermal desorption testing of nuclear graphites irradiated at fluoride-salt-cooled high-temperature reactor conditions
… concepts such as tristructural isotropic (TRISO) coated particle fuel, molten flibe salt (LiF-BeF2) coolant, and an Air-Brayton power cycle. A prominent technical challenge for the FHR is maintaining the release of tritium generated from neutron irradiation of flibe below acceptable levels. One …
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Investigation and design of a secure, transportable fluoride-salt-cooled high-temperature reactor (TFHR) for isolated locations
… thermal spectrum reactor using SiC-matrix coated particle fuel which can achieve single batch discharge burnups of up to 70MWd/HMkg over an 8 year cycle. Higher burnups are possible for larger cores. The neutronics properties of SiC-matrix coated particle fuel are explored in detail and …
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Preventing fuel failure for a beyond design basis accident in a fluoride salt cooled high temperature reactor
… reactor (FHR) combines high-temperature coated-particle fuel with a high-temperature salt coolant for a reactor with unique market and safety characteristics. This combination can eliminate large-scale radionuclide releases by avoiding major fuel failure during a catastrophic Beyond …
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Controlling Colloidal Stability using Highly Charged Nanoparticles
… on the potential use of highly charged nanoparticles to stabilize dispersions of weakly charged microparticles. The experimental components of the project centered on a model colloidal system containing silica microparticles at the isoelectric point where the suspensions are unstable and …
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Albumin Adsorption: Inferences of Protein Interactions Measured by Sedimentation both Between Species and Induced by Denaturing
… albumin (BSA) will be adsorbed onto polystyrene particles and the particle settling velocity determined. The settling solution viscosity and density will also be ascertained, so Stoke's law can infer the average aggregate size of each experiment. BSA-coated polystyrene particles displayed a more …
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Effect of helium, strontium and silver implanted into silicon carbide on the structural changes and migration of the implants
… deposited carbon and silicon carbide (SiC). The coated fuel is known as the tri-structural isotropic (TRISO) particle. In this coated particle, silicon carbide (SiC) is the main barrier for radioactive fission products. TRISO particle retains quite well majority of the fission products with …
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Scaling Analysis for the Direct Reactor Auxiliary Cooling System for AHTRs
… the liquid salt of molten salt reactors, the coated particle fuel (TRISO particle) of high-temperature gas-cooled reactors, the pool configuration and passive safety system of sodium-cooled fast reactors, and the Brayton power cycle technology. The Direct Reactor Auxiliary Cooling System …
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Störfallsimulationen und Nachbestrahlungsuntersuchungen an kugelförmigen Brennelementen für Hochtemperaturreaktoren
… for high temperature reactors with TRISO-coated particles and fission product release was measured. The fuel elements originated from various irradiation experiments conducted at high temperatures with high burn-up. The experiments were performed using the cold finger apparatus, a test …