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...ww.britannica.com/technology/nuclear-reactor/Thermal-intermediate-and-fast-reactors |access-date=2023-07-19 |website=www.britannica.com |language=en}}</ref> T == Water-moderated reactors == ...

...ile (30502443888).jpg|thumb|upright=1.3|Diagram of a nuclear reactor using graphite as a moderator]] ...ere. For the graphite reactor at Oak Ridge National Laboratory, see [[X-10 Graphite Reactor]].'' ...

'''GLEEP''', which stood for '''Graphite Low Energy Experimental Pile''', was a long-lived experimental [[nuclear re ...igations into reactor design and operation, primarily the qualification of graphite and uranium, and the determination of [[Cross section (physics)|cross secti ...

{{Short description|Nuclear reactor, uses moderated neutrons}} Most [[nuclear power plant]] reactors are thermal reactors and use a [[neutron moderator]] to slow [[neutron]]s until they approach th ...

...storically, [[graphite-moderated reactor]]s and [[heavy water]]-moderated reactors have been fueled with natural uranium in the pure metal (U) or [[uranium di .... Nuclear weapons take a concentration of 90% uranium-235, and light water reactors require a concentration of roughly 3% uranium-235.<ref>{{cite book |url=htt ...

The '''N-Reactor''' was a water/graphite-[[neutron moderator|moderated]] [[nuclear reactor]] constructed during the [[Cold War]] and operated by t ...lear reactor accident at Chernobyl"]</ref> It was partially moderated with graphite, but had a negative void coefficient due to also using moderation from the ...

...-02-16}}</ref> It is a [[helium]] cooled, [[graphite]] [[Neutron moderator|moderated]] reactor and uses [[TRISO]] fuel compacts in a [[Prism (geometry)|prismati ...ach fuel pin contains a random lattice of TRISO particles dispersed into a graphite matrix. The reactor exhibits a [[Thermal neutron|thermal]] spectrum with a ...

...ficient. It is unclear how the definition of "void" coefficient applies to reactors in which the moderator/coolant is neither liquid nor gas ([[supercritical w [[Nuclear fission]] reactors run on nuclear [[chain reaction]]s, in which each [[atomic nucleus|nucleus] ...

...nuclear reactor]] which uses uranium fuel and [[graphite-moderated reactor|graphite moderation]] to produce very high [[nuclear reactor core|reactor core]] out ...e high-temperature gas-cooled reactor (HTGR) is a uranium-fueled, graphite-moderated, gas-cooled nuclear reactor design concept capable of producing very high c ...

...clear reactor coolant|coolant]] is a [[liquid metal]]. Liquid metal cooled reactors were first adapted for [[breeder reactor]] power generation. They have also ...e. a breeding blanket), such reactors are called liquid metal fast breeder reactors (LMFBRs). ...

{{Short description|Graphite used as a reflector or moderator within a nuclear reactor}} ...thstand extremely high temperatures. [[File:MSRE Core.JPG|thumb|right|Core graphite from the [[Molten-Salt Reactor Experiment]]]] ...

...D₂O]]), and the fuel was [[enriched uranium]]. There was also a graphite neutron reflector surrounding the core. Like DIDO, its original purpose was Of the six DIDO class reactors built including DIDO itself, HIFAR was the last to cease operation. Perman ...

...is the [[disproportionation]] of carbon monoxide into carbon dioxide and [[graphite]] or its reverse:<ref>[https://web.archive.org/web/20120222115049/http://ga ...ce. Carbon monoxide then tends to disproportionate into carbon dioxide and graphite, which forms [[soot]]. ...

...reactors are the most common type of [[nuclear reactor]], and light-water reactors are the most common type of thermal-neutron reactor. There are three varieties of light-water reactors: the [[pressurized water reactor]] (PWR), the [[boiling water reactor]] (BW ...

...reactors). Solid [[graphite]] (20% of reactors) and [[heavy water]] (5% of reactors) are the main alternatives.<ref> ...b>O and D₂O, respectively. Therefore, neutrons are more rapidly moderated by light water, as H has a far higher <math>\Sigma_s</math>. However, it al ...

...eactor in 1960. SGHWR opened in 1967 and was shut down in 1990. All of the reactors have been shut down and are in various stages of removal. The site is now b ...r a new site to be set aside for the construction of multiple experimental reactors, with the aim being to try many designs in order to develop the best possib ...

...and at a temperature of 378&nbsp;°C.<ref>{{cite book | title = Heavy water reactors : status and projected development | publisher = International Atomic Energ ...ist</ref><ref>[http://canteach.candu.org/library/D407_scr1.pdf Heavy water reactors: Status and projected development] {{webarchive|url=https://web.archive.org ...

{{Short description|Field of physics dealing with nuclear reactors}}{{More sources|date=November 2024}}[[File:DWR Fluss thermisch mit Absorber ...[[neutron moderator]] such as [[water|regular water]], [[heavy water]], [[graphite]], or [[zirconium hydride]], and fitted with mechanisms such as [[control r ...

...B reactor was [[Graphite-moderated reactor|graphite]] [[neutron moderator|moderated]] and [[Light-water reactor|water-cooled]], via a [[Hanford Site#Environmen ...thousands of US warheads during the [[Cold War]]. By the early 1960s, the reactors had been upgraded to capacities of 2000 MW. It is historically significant ...

Nuclear reactors generate heat internally; to remove this heat and convert it into useful el ...r|AGR]]s, [[RBMK]]s, [[Magnox]] and weapons-production reactors, which use graphite as a [[neutron moderator]] (see [[Chernobyl disaster]] and [[Windscale fire ...