Definitions for "Fuel assembly"
Keywords:  reactor, rods, uranium, nuclear, spacer
A grouping of nuclear fuel rods that remains integral during the charging and discharging of a reactor core.
The assembly of many rods containing the nuclear fuel, usually uranium, positioned close together. The chain reaction generated in the fuel assembly is controlled by rods of neutron-absorbing material between the fuel rods.
A grouping of fuel rods, pins, plates, etc., held together by spacer grids and other structural components, which is maintained intact during fuel transfer and irradiation operations in a reactor.