1. General presentation
A nuclear reactor comprises :
the fissile material (fuel) in which fission takes place;
a light material (moderator) or, on the contrary, no light material; depending on whether or not one wants to favour fission by low (< 1 eV) or high (> 100 keV) energy neutrons;
generally, fertile material (uranium or thorium) which is transformed into fissile material by the absorption of a neutron followed by the emission of one or more electrons;
a heat transfer fluid that recovers the thermal energy produced by fission and transfers it to the end user in the form of heat or electricity;
structural materials, which are used to position the various components and give the reactor its specific shape;
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General presentation
Common constraints
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"Nuclear engineering"
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