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A gas-cooled reactor (GCR) is a nuclear reactor that uses graphite as a neutron moderator and a gas (carbon dioxide or helium in extant designs) as coolant. [1] Although there are many other types of reactor cooled by gas, the terms GCR and to a lesser extent gas cooled reactor are particularly used to refer to this type of reactor.
It belongs to the wider class of gas-cooled reactors. The name comes from the magnesium - aluminium alloy (called mag nesium n on- ox idising), used to clad the fuel rods inside the reactor. Like most other generation I nuclear reactors , the magnox was designed with the dual purpose of producing electrical power and plutonium-239 for the ...
Detailed designs for pressurized and boiling water reactors, as well as gas-cooled and liquid-metal cooled reactors. First nuclear power plant with a containment structure (SM-1) First use of stainless steel for fuel element cladding (SM-1) First nuclear power plant in the US to supply electrical power to a commercial grid (SM-1)
The reactor in Shidao Bay, China is the world’s first gas-cooled nuclear power plant built for commercial demonstration. It is cooled by helium and can reach high temperatures of up to 750 ...
The two advanced gas-cooled reactors (AGR) were supplied by TNPG and the turbines by C. A. Parsons & Co. [5] Hunterston B began to generate electricity on 6 February 1976. On 3 December 1977, The Times reported that seawater had entered the reactor through a modification of the secondary cooling system. [6]
The reactors were supplied by NNC, the boilers by NEI and the turbines by GEC. [8] The station consists of two advanced gas-cooled reactors (AGR) capable of producing a peak rating of 1,364 MWe. In February, 1989, Torness Unit 2 became the last Advanced Gas-cooled Reactor commissioned.
On the site two separate nuclear power stations, Heysham 1 and Heysham 2 operate independently, only with joint entry protocol, both with two reactors of the advanced gas-cooled reactor (AGR) type. In 2010, the British government announced that Heysham was one of the eight sites it considered suitable for future nuclear power stations. [6]
The advanced gas-cooled reactor (AGR) is a type of nuclear reactor designed and operated in the United Kingdom. These are the second generation of British gas-cooled reactors, using graphite as the neutron moderator and carbon dioxide as coolant. They have been the backbone of the UK's nuclear power generation fleet since the 1980s.