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pressurized-water reactor click to hear : pressurized-water reactor

The most common type of reactor in the world; water from the coolant is kept under heavy pressure to prevent it from vaporizing.
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pump reactor core feedwater steam outlet control rod steam generator pressurizer concrete shielding moderator: natural water coolant: pressurized water fuel: enriched uranium

pump click to hear : pump

Apparatus that circulates the coolant fluid between the reactor and the steam generator.

reactor core click to hear : reactor core

Center section of the nuclear reactor where fission reactions take place.

feedwater click to hear : feedwater

Piping carries water from the condenser to the steam generator, where it is turned into steam.

steam outlet click to hear : steam outlet

Steam from the generator is carried to the turbine and generator to produce electricity.

control rod click to hear : control rod

Tube that contains a neutron-absorbing material (boron, cadmium) that is introduced into the reactor core to control its power.

steam generator click to hear : steam generator

Device that uses heat from the coolant to turn water into steam to activate the turbine.

pressurizer click to hear : pressurizer

Device that keeps the coolant water at a preset temperature to prevent it from boiling.

concrete shielding click to hear : concrete shielding

Concrete structure that holds back radioactive products in the event of an accident.

moderator: natural water click to hear : moderator: natural water

Natural water: water found in its natural state.

coolant: pressurized water click to hear : coolant: pressurized water

Pressurized water: natural water kept under a preset pressure to prevent it from boiling.

fuel: enriched uranium click to hear : fuel: enriched uranium

Enriched uranium: uranium produced by treating natural uranium to increase the quantity of fissionable isotopes (uranium-253) contained in it.