PLUTO was a nuclear reactor at the Atomic Energy Research Establishment at Harwell, Oxfordshire in the United Kingdom, one of five reactors on the site. The Atomic Energy Research Establishment near United Kingdom from the 1940s to the 1990s. ... Harwell is a small village in Oxfordshire, England (previously in Berkshire). ...

It was based on the design of DIDO and used enriched uranium metal fuel, and heavy water as both neutron moderator and primary coolant. There was also a graphite neutron reflector surrounding the core. DIDO was a nuclear reactor at the Atomic Energy Research Establishment at Harwell, Oxfordshire in the United Kingdom. ... General Name, Symbol, Number Uranium, U, 92 Chemical series Actinides Period, Block 7 , f Density, Hardness 19050 kg/m3, ND Appearance silvery-white metal Atomic properties Atomic weight 238. ... Heavy water is dideuterium oxide, or D2O or 2H2O. It is chemically the same as normal water, H2O, but the hydrogen atoms are of the heavy isotope deuterium, in which the nucleus contains a neutron in addition to the proton found in the nucleus of any hydrogen atom. ... Properties In physics, the neutron is a subatomic particle with no net electric charge and a mass of 939. ... Graphite is one of the allotropes of carbon. ...

PLUTO was the third DIDO class reactor to become operational, after DIDO itself and HIFAR. HIFAR (High Flux Australian Reactor) was Australias first nuclear reactor. ...

The 26 MW PLUTO reactor went online in 1957 and was shut down in 1990. It is expected to be completely dismantled by 2024. 1957 was a common year starting on Tuesday (link will take you to calendar). ... 1990 is a common year starting on Monday of the Gregorian calendar. ... (Redirected from 2024) (20th century - 21st century - 22nd century - other centuries) Definition In calendars based on the Christian Era or Common Era, such as the Gregorian calendar, the 21st century is the current century, as of this writing, lasting from 2000-2099. ...

See also

• List of nuclear reactors