Maysan Hasan 9 th grade girls April 29,2012 What is Nuclear Fuel? 1. Physics. fissile or fertile material that undergoes fission in a nuclear reactor.

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Presentation transcript:

Maysan Hasan 9 th grade girls April 29,2012

What is Nuclear Fuel? 1. Physics. fissile or fertile material that undergoes fission in a nuclear reactor. 2. any light element, as hydrogen or helium, that undergoes fusion and gives off energy within the interior of stars.

The Nuclear Fuel Cycle.  The nuclear fuel cycle, also called nuclear fuel chain, is the progression of nuclear fuel through a series of differing stages.

The Nuclear Fuel Cycle consists of…  It consists of steps in the front end, which are the preparation of the fuel, steps in the service period in which the fuel is used during reactor operation, and steps in the back end, which are necessary to safely manage, contain, and either reprocess or dispose of spent nuclear fuel.

What do most Nuclear Fuels contain and when they are struck by neurons, what happens?  Most nuclear fuels contain heavy fissile elements that are capable of nuclear fission. When these fuels are struck by neutrons, they are in turn capable of emitting neutrons when they break apart.

When the Nuclear Fuel is struck by neurons, what is possible?  This makes possible a self-sustaining chain reaction that releases energy with a controlled rate in a nuclear reactor or with a very rapid uncontrolled rate in a nuclear weapon.

What makes up the Nuclear Fuel Cycle?  The most common fissile nuclear fuels are uranium-235 ( 235 U) and plutonium- 239 ( 239 Pu). The actions of mining, refining, purifying, using, and ultimately disposing of nuclear fuel together make up the nuclear fuel cycle.

What does Nuclear fuel have that not all other fuel sources have?  Nuclear fuel has the highest energy density of all practical fuel sources.

A Nuclear Explosion.  Daiichi_nuclear_disaster

Do all types of Nuclear Fuels create power from nuclear fission?  Not all types of nuclear fuels create power from nuclear fission. Plutonium- 238 and some other elements are used to produce small amounts of nuclear power by radioactive decay in radioisotope thermoelectric generators and other types of atomic batteries. Also, light nuclides such as tritium ( 3 H) can be used as fuel for nuclear fusion.