Fuel Breeding Ratio

The Fuel Breeding Ratio (FBR) is a measure used in nuclear reactors, particularly in breeder reactors, to indicate how efficiently a reactor produces more nuclear fuel than it consumes. Specifically, it compares the amount of fuel generated (like plutonium from uranium) to the amount used during the reactor's operation. An FBR greater than 1 means the reactor is producing more fuel than it consumes, making it capable of sustaining or expanding its fuel supply over time. This concept is important for enhancing the sustainability of nuclear energy resources.