The pebble-bed reactor (PBR) is a design for a graphite-moderated, gas-cooled nuclear reactor. It is a type of very-high-temperature reactor (VHTR), one of the six classes of nuclear reactors in the Generation IV initiative.
Graphite pebble for reactor
Nuclear fuel is material used in nuclear power stations to produce heat to power turbines. Heat is created when nuclear fuel undergoes nuclear fission.
Close-up of a replica of the core of the research reactor at the Institut Laue-Langevin
Nuclear Regulatory Commission (NRC) photo of unirradiated (fresh) fuel pellets.
NRC photo of fresh fuel pellets ready for assembly.
NRC photo of fresh fuel assemblies being inspected.