Nuclear Engineering is a branch of engineering dealing with a system under nuclear reaction.

Subject of interestEdit

Following are the main subjects of interest to a nuclear engineer.

Reactor physicsEdit

Reactor physics deal with the behavior of neutron, gamma ray inside of a nuclear reactor.


Fission of a fissile material such as uranium-235 or plutonium-239 produce 2 or 3 fast neutrons and several gamma rays. The fast neutron either loses its energy by scattering, absorbed by a nuclide. Scattered neutrons will either escape the system or undergo another cycle of collision. Absorbed neutron will either transmute the nuclide to another nuclide or make a fission. The average number of neutrons invoking a fission among the neutron produced from a fission should be exactly one, to produce energy stability.

Main interests of reactor physics are the criticality and the power distribution.

Thermal hydraulicsEdit

Thermal hydraulics deals with the heat removal from a nuclear reactor. The heat generated at a nuclear fuel are transferred to a coolant.

The interest of thermal hydraulics is to keep the material temperature inside of a nuclear reactor below the limiting one during operation as well as possible accident.

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