Matches 1 - 45 out of 45


Match Document Document Title
US20120263271 NUCLEAR FUEL  
A nuclear fuel pellet design that is a cylindrical axial profile with either a larger radius or conical shaped ends such that the as built diameter at the ends of the pellet are slightly smaller...
US20130148774 POROUS UO2 SINTERED PELLETS AND METHOD FOR FABRICATING POROUS UO2 SINTERED PELLETS AND ELECTROLYTIC REDUCTION USING SAME  
A method for fabricating porous UO2 sintered pellets to be fed into the electrolytic reduction process for the purpose of metallic nuclear fuel recovery is provided, which includes forming a...
US20140211904 Heterogeneous Core Designs And Thorium Based Fuels For Heavy Water Reactors  
A channel type heterogeneous reactor core for a heavy water reactor for burnup of thorium based fuel is provided. The heterogeneous reactor core comprises at least one seed fuel channel region...
US20120020447 OPTIMIZED FUEL ASSEMBLY CHANNELS AND METHODS OF CREATING THE SAME  
Fuel assemblies include an outer channel having a physical configuration optimized for a position of the fuel assembly within a core of a nuclear reactor. The position of the fuel assembly with...
US20110176650 NUCLEAR REACTOR GREEN AND SINTERED FUEL PELLETS, CORRESPONDING FUEL ROD AND FUEL ASSEMBLY  
A sintered fuel pellet for a water nuclear reactor fuel rod including a peripheral wall extending along a central axis and two end faces. At least one of the end faces includes at least a first...
US20140341331 NUCLEAR FUEL ASSEMBLY DESIGN  
A duct for a nuclear fuel assembly includes a tubular body and an elongated member. The tubular body has a sidewall with an inner face and an outer face and is configured to contain nuclear fuel...
US20120183116 COMPOSITE NUCLEAR FUEL PELLET  
A composite nuclear fuel pellet comprises a composite body including a UO2 matrix and a plurality of high aspect ratio particies dispersed therein, where the high aspect ratio particies have a...
US20110293059 Liquid fuel nuclear fission reactor  
Disclosed embodiments include nuclear fission reactors, nuclear fission fuel pins, methods of operating a nuclear fission reactor, methods of fueling a nuclear fission reactor, and methods of...
US20120257707 Nuclear fuel and method of fabricating the same  
A nuclear fuel includes a volume of a nuclear fuel material defined by a surface, the nuclear fuel material including a plurality of grains, some of the plurality of grains having a characteristic...
US20150221398 HIGH DENSITY U02 AND HIGH THERMAL CONDUCTIVITY UO2 COMPOSITES BY SPARK PLASMA SINTERING (SPS)  
Embodiments of the invention are directed to a method for production of a nuclear fuel pellet by spark plasma sintering (SPS), wherein a fuel pellet with more than 80% TD or more than 90% TD is...
US20090135986 NUCLEAR POWER INSTALLATION AND A METHOD FOR ITS CONSTRUCTION  
In a nuclear power installation a nuclear reactor (R) and other parts or components which are hazardous because of radioactivity or other hazard factors are placed in a lower part (12) of the...
US20120314831 Light Water Reactor TRISO Particle-Metal-Matrix Composite Fuel  
A metal matrix, microencapsulated nuclear fuel component includes an integral metal matrix having an outer buffer region and an inner fuel containing region; a multiplicity of nuclear fuel...
US20110249785 EXPOSURE BOOST ZONE FOR BOILING WATER REACTOR NUCLEAR BUNDLES  
Disclosed are a fuel rod and a fuel bundle using the fuel rod. The fuel rod may include first enriched uranium in a boost zone of the fuel rod, wherein the boost zone may be arranged directly at a...
US20110080987 MANUFACTURING METHOD OF NUCLEAR FUEL PELLET, FUEL ASSEMBLY FOR NUCLEAR REACTOR AND MANUFACTURING METHOD THEREOF AND URANIUM POWDER  
Among fuel rods constituting a fuel assembly, Gd compound oxide is added to low Gd containing fuel rods that containing uranium dioxide of which enrichment exceeds 5 wt %. The Gd compound oxide is...
US20100150300 NUCLEAR FUEL IN THE FORM OF A PELLET, WITH IMPROVED STRUCTURE  
A pellet including a nuclear fuel material for applications in reactors. The pellet has an elongated shape along an axis (z) and includes on an outer radial surface at least one privileged...
US20100034336 CORE OF LIGHT WATER REACTOR AND FUEL ASSEMBLY  
A core of a light water reactor having a plurality of fuel assemblies, which are loaded in said core, having nuclear fuel material containing a plurality of isotopes of transuranium nuclides, an...
US20110158374 ALLOY AND TUBE FOR NUCLEAR FUEL ASSEMBLY AND METHOD FOR MAKING SAME  
The invention concerns an alloy containing equally 0.02 to 0.07% wt. % of the total iron, of chromium or vanadium, 0.8 to 1.3 wt. % of niobium, 100 ppm or less of tin, 1100 to 1700 ppm of oxygen,...
US20120219102 NUCLEAR BATTERY BASED ON HYDRIDE/THORIUM FUEL  
Methods, processes, and systems of transportable nuclear batteries are provided. In one embodiment, the battery may comprise a sealed reactor shell, a reactor core, and a generator. In further...
US20110150166 METHOD OF PROVIDING A NUCLEAR FUEL AND A FUEL ELEMENT PROVIDED BY SUCH A METHOD  
A nuclear fuel element including a uranium-molybdenum alloy that provides an enhanced reactivity in research, test and radioisotope production nuclear reactors. In this uranium-molybdenum alloy,...
US20110206174 NUCLEAR FUEL, A FUEL ELEMENT, A FUEL ASSEMBLY AND A METHOD OF MANUFACTURING A NUCLEAR FUEL  
The invention refers to a nuclear fuel, a fuel element, a fuel assembly and a method of manufacturing a nuclear fuel. The nuclear fuel is adapted for use in a water cooled nuclear reactor,...
US20140334595 FUEL ASSEMBLY  
Nuclear fuel assemblies include non-symmetrical fuel elements with reduced lateral dimensions on their outer lateral sides that facilitate fitting the fuel assembly into the predefined envelope...
US20070242791 Process for Producing Pellets of a Nuclear Fuel Based on a (U, Pu)02 or (U, Th)02 Mixed Oxide  
The invention relates to a process for producing pellets of a nuclear fuel based on a (U,Pu)O2 or (U,Th)O2 mixed oxide which comprises a) preparing a primary mixture of powders by co-milling a UO2...
US20060251206 Use of isotopically enriched actinide fuel in nuclear reactors  
The present invention provides a nuclear fuel rod, assembly comprising an actinide nitride such as uranium nitride, suitable for use in nuclear reactors, including those based substantially on...
US20100061503 Pseudo-capacitor structure for direct nuclear energy conversion  
Direct nuclear energy conversion into electricity device based on nano-hetero-structures with applications in nuclear reactors and radioisotope batteries. The nano structure may be made by a...
US20090268861 Plutonium/Zirconium Hydride/Thorium Fuel Matrix  
The present invention is directed to a plutonium-based nuclear fuel that is suitable for burning weapon-grade and reactor-grade plutonium in a light water reactor, thereby reducing the amount of...
US20070133733 Method for developing nuclear fuel and its application  
Devices for generating heat and electric energy by nuclear fission reactions. The device includes a cylindrical tube, and a drain tube disposed inside having openings along its length for...
US20060018422 Nuclear fuel assembly end cap arrangement  
A method and arrangement to control fuel material debris originating from a fuel assembly for a dry storage system wherein the method includes providing a damaged boiling water reactor nuclear...
US20060215805 Sealing device for the outer surface of a nuclear fuel cladding  
Sealing device (10) between two media and the outer surface of a fuel cladding (1), characterized by three states: a state retracted for contactiess axial insertion of said fuel cladding (1)...
US20090116609 Method for Operating a Nuclear Reactor and Use of a Specific Fuel Rod Cladding Alloy in Order to Reduce Damage Caused by Pellet/Cladding Interaction  
A method for operating a nuclear reactor in order to produce electricity, such that the reactor is controlled so that, during a transient power occurrence for at least one of: a linear power...
US20070064861 High-density, solid solution nuclear fuel and fuel block utilizing same  
A nuclear fuel element includes a core formed from a high density solid solution fissile material that is substantially free of carbon and void space. A cladding substantially surrounds the core.
US20140153688 MULTILAYER TUBE IN CERAMIC MATRIX COMPOSITE MATERIAL, RESULTING NUCLEAR FUEL CLADDING AND ASSOCIATED MANUFACTURING PROCESSES  
The invention relates to a multilayer tubular part (1) comprising a metal layer forming a metal tubular body (3) and two layers in ceramic matrix composite material covering the metal tubular...
US20100290578 DEPLOYABLE ELECTRIC ENERGY REACTOR  
A nuclear fission reactor device including a core having an array of fissile material and which is capable of being transported to and from the place of operation using conventional transportation...
US20070036261 Plate-type nuclear fuels having regularly arranged coarse spherical particles of U-Mo- or U-Mo-X alloy and fabrication method thereof  
A plate-type nuclear fuel having regularly arranged coarse particles of a gamma-phase U—Mo or U—Mo—X alloy and a fabrication method thereof and, more particularly, to a plate-type nuclear fuel...
US20140153687 FUEL COMPONENT AND METHOD OF MANUFACTURING OF A FUEL COMPONENT  
The invention relates to a fuel component and a method for manufacturing of a fuel component. The fuel component is adapted to be used in fission reactors. The fuel component comprises a core...
US20130142296 Apparatus and method for generating medical isotopes  
An apparatus for generating medical isotopes provides an annular fissile solution vessel surrounding a neutron generator. The annular fissile solution vessel provides for good capture of the...
US20130083878 NUCLEAR REACTORS AND RELATED METHODS AND APPARATUS  
Among other things, an apparatus includes a combination of a fissionable material, a molten salt, and a moderator material including one or more hydrides, one or more deuterides, or a combination...
US20120039431 Process for fused neutron nuclear chain reactions  
Fused neutron particles from a multi-neutron particle generator are injected into atomic nuclei that have a core with groups of fused neutron pairs. Nuclear fusion reactions between injected...
US20160372221 METHODS OF FORMING TRIURANIUM DISILICIDE STRUCTURES, AND RELATED FUEL RODS FOR LIGHT WATER REACTORS  
A method of forming a triuranium disilicide structure comprises forming a mixture comprising uranium particles and silicon particles. The mixture is pressed to form a compact comprising the...
US20160372216 METHOD FOR FABRICATION OF OXIDE FUEL PELLETS AND THE OXIDE FUEL PELLETS THEREBY  
Disclosed herein is a method for manufacturing oxide fuel pellets. The method for manufacturing the oxide fuel pellets includes (step 1) preparing nuclear fuel powder containing uranium dioxide...
US20160232993 Nuclear Fuel Pellet Having Enhanced Thermal Conductivity, and Preparation Method Thereof  
The invention relates to nuclear physics, and specifically to reactor fuel elements and units thereof, and particularly to the composition of solid ceramic fuel elements based on uranium dioxide,...
US20160055923 FUEL CHANNEL FOR A NUCLEAR POWER BOILING WATER REACTOR  
A fuel channel for a nuclear power boiling water reactor is configured to include a bundle of fuel rods with nuclear fuel. The fuel channel is made of a sheet material and has a plurality of sides...
US20160035441 FUEL ASSEMBLY  
A fuel assembly for use in a core of a nuclear power reactor. The assembly includes a frame shaped and configured to fit within the nuclear reactor internal core structure; and a plurality of...
US20150348652 DEPOSITION OF A PROTECTIVE COATING INCLUDING METAL-CONTAINING AND CHROMIUM-CONTAINING LAYERS ON ZIRCONIUM ALLOY FOR NUCLEAR POWER APPLICATIONS  
The invention relates to compositions and methods for coating a zirconium alloy cladding of a fuel element for a nuclear water reactor. The coating includes a first tier or layer and a second tier...
US20150340110 METHOD FOR PRODUCING NUCLEAR FUEL PRODUCTS WITH A HIGH LOADING OF LEU AND CORRESPONDING NUCLEAR FUEL PRODUCT  
A method of producing a nuclear fuel product is provided. The method includes the steps of providing a core comprising aluminium and low-enriched uranium; and sealing said core in a cladding. The...
US20150302942 OXIDE NUCLEAR FUEL WHICH IS A REGULATOR OF CORROSIVE FISSION PRODUCTS, ADDITIVATED WITH AT LEAST ONE OXIDATION-REDUCTION SYSTEM  
A supplemented nuclear fuel comprises a nuclear fuel of oxide type which generates fission products such as tellurium, cesium and iodine, which generate via chemical interaction species that are...

Matches 1 - 45 out of 45