Sentences with phrase «uranium fuel pellets»

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.

Not exact matches

The 3.7 - meter - long nuclear fuel used at Fukushima is composed of uranium oxide pellets encased in a zirconium cladding.
The fuel rods in most cases consist of uranium dioxide pellets encased in zirconium alloy tubes or cladding.
That is also enough to meet almost half the fuel needs of the 104 U.S. reactors, once various plants located throughout the country shape this uranium into half - inch -(1.27 - centimeter --RRB- diameter black pellets and then form them into rods by coating the pellets with zirconium cladding.
Nuclear fuel rods are made of hundreds of small pellets of enriched uranium placed end - to - end inside hollow tubes of zircaloy that are about a half - inch across.
Rather than the pellets of uranium oxide used in other fast reactors and conventional reactors as fuel, GE would fabricate metal alloy fuels, with the plutonium or uranium mixed with zirconium metal.
• Ceramic process in which uranium oxide powder is used to manufacture pellets; these pellets are inserted into zirconium alloy tubes which, once they are loaded, pressurized and sealed, are called fuel rods.
A: The way the fuel cycle is done now is: you mine uranium; you purify the metal; you convert it to oxide; you put it in a reactor in the form of pellets; it stays in there for about three years; you take it out, and you try to find someplace to put it.
The used fuel pellets from current reactors (after processing to convert the uranium oxide to uranium tetrafluoride) could just be dumped in the molten salt.
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