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boiling-water reactorclick to hear

In this second most common reactor, boiling occurs directly in the reactor core; it is used mainly in the United States, Sweden and Japan.
boiling-water reactor steam outlet concrete shielding condensation pool dry well control rod pump reactor core reactor tank feedwater wet well coolant: boiling water fuel: enriched uranium moderator: natural water

steam outlet click to hear

Steam produced in the reactor tank is carried to the turbine to produce electricity.

concrete shielding click to hear

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

condensation pool click to hear

Water-filled basin that is used to lower the pressure in the reactor tank in the event of an accident.

dry well click to hear

Compartment around the reactor tank; it holds back radioactive products in the event of an accident.

control rod click to hear

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

pump click to hear

Device that continuously circulates water inside the reactor.

reactor core click to hear

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

reactor tank click to hear

Safety containment wall that separates the reactor from the rest of the building.

feedwater click to hear

Piping that carries water from the condenser into the reactor tank, where it is converted into steam.

wet well click to hear

Compartment containing water that reduces the pressure in the dry well in the event of an accident.

coolant: boiling water click to hear

Boiling water: natural water that boils and vaporizes on contact with the heat released by the fuel.

fuel: enriched uranium click to hear

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

moderator: natural water click to hear

Natural water: water found in its natural state.