fuel bundle
Fuel pencils that are grouped in parallel for introduction into the reactor.
end plate
Metal grille that is soldered to the ends of the pencils to keep them in place.
bearing pad
Metal part that is soldered to the pencils around the circumference of the bundle; it is used as a support surface as they are introduced into the pressure tube.
spacer
Part that is soldered to the cladding of the pencils to maintain a preset distance between them.
pressure tube
Tube that holds the fuel bundles and circulates the coolant at a preset pressure.
end plate
Metal grille that is soldered to the ends of the pencils to keep them in place.
end cap
Cylindrical part soldered to the ends of the cladding of the pencil to make it watertight.
fuel pellet
Small quantity of fuel that consists of powder pressed into a sheathing tube and then inserted into the metal cladding of the pencil.
previous
