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Fuel in a nuclear reactor is heated by fission reactions. In fission, fuel atoms absorb a neutron, become unstable, and "split apart" into a two approximately equal parts. These parts are called fission fragments, and they come away from the fission event with tremendous kinetic (mechanical) energy. As this happens in a fuel element, the atomic nuclei can travel only a tiny distance before slamming into nearby atoms. This activity is extremely violent on the atomic scale, and it generates a lot of thermal energy (heat). The heat will get fuel element very hot, and that thermal energy will be collected and carried away by the primary coolant in the reactor.

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Q: How does uranium fuel get heated in a nuclear reactor?
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Related questions

What is uranium used for in a nuclear reactor?

fuel


Is nuclear an atomic fuel?

Fuel used in a nuclear reactor is uranium, the active isotope is uranium 235 which is fissile.


What is the name of the fuel used in the nuclear reactor?

Uranium


What type of energy requires a uranium and a reactor?

Nuclear energy, because uranium is a nuclear fuel for nuclear power reactors.


What are fuel cells in a neclear reactor?

Fuel cells are an important part of a nuclear reactor. The component that powers the nuclear reactor is the reactor core and the fuel cells are found inside and hold uranium dioxide.


How much uranium is need to power a nuclear power plant for eighteen months?

Depending on: - the type of the nuclear reactor - the electrical power of the nuclear reactor - the type of the nuclear fuel - the enrichment of uranium - the estimated burnup of the nuclear fuel etc.


What is used for fule in nuclear reactor?

Typically, Uranium-235 is used as fuel in nuclear reactors.


What is a use for Uranium fuel?

The use is to produce electricity from a nuclear reactor plant


What rods hold pellets of uranium?

Known as fuel rods, these are hollow metal rods that contain the uranium fuel for a nuclear reactor.


What is nuclear fuel reactor?

In light water reactors it is uranium dioxide with the uranium enriched to 4-5 percent


What are fuel rods in nuclear plants made of?

The fuel rods used in a nuclear reactor are made from uranium 235(U-235).


What fuel is used in nuclear power plants?

A nuclear reactor is a device to initiate, control, and sustain a nuclear chain reaction. Nuclear power is energy produced from controlled nuclear reactions. When it comes to just standard fuel across the table it would have to be: Plutonium, Uranium, and Thorium.