Sentences with phrase «such fuel rods»

The steam indicates that at least some cooling is going on and the heat of such fuel rods drops off dramatically over a period of days or weeks.

The Fukushima Daiichi site in total has some 11,000 such fuel rods in the seven spent fuel pools — 500 or more of which in reactor No. 4's spent fuel pool are still quite hot having only been removed from that reactor in December, according to The New York Times.

Not exact matches

The back end of the nuclear fuel cycle, mostly spent fuel rods, often contains fission products that emit beta and gamma radiation, and may contain actinides that emit alpha particles, such as uranium - 234, neptunium - 237, plutonium - 238 and americium - 241, and even sometimes some neutron emitters such as Cf.

One such scenario would be a loss of water in the pool to a level that permitted fuel rods to ignite and release perilously high radiation levels.

Enriched uranium is manufactured into fuel rods that are encased in metal cladding made of alloys such as zirconium.

If the fuel rods are no longer being cooled — as has happened at all three reactors at the Fukushima Daiichi power plant operating at the time of the earthquake — then the zirconium cladding will swell and crack, releasing the uranium fuel pellets and fission byproducts, such as radioactive cesium and iodine, among others.

This problem continues to grow because there remains no place for used nuclear fuel rod storage other than such pools or massive dry casks — both located on nuclear facility grounds.

In the event of a loss of water, such re-racking can make it more difficult to prevent used fuel rods from overheating, according to a 2006 study by the National Academy of Sciences.

Such boreholes could not house most of the country's waste, like fuel rods from nuclear power plants, but could have potential for smaller, long - lived radioactive materials.

Unlike the current generation of light - water nuclear reactors, PRISM uses metallic fuel, such as an alloy of zirconium, uranium, and plutonium, and PRISM's fuel rods sit in a bath of a liquid metal — sodium — at atmospheric pressure, which ensures that the transfer of heat from the metal fuel to the liquid sodium coolant is extremely efficient.

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One of the best representations of this is during one of the game's largest battlefields on Sangheilios where players will find themselves using high perches in order to get clean shots on enemies and even obtaining weapons such as vehicles, fuel rods, turrets and the fan favoured Beam Rifle.

An eight - digit assembly type code is assigned to each assembly type based on certain distinguishing characteristics, such as the number of rods per assembly, fuel roddiameter, cladding type, materials used in fabrication, and other design features.