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- UNGG_reactor abstract "The UNGG (Uranium Naturel Graphite Gaz) is an obsolete nuclear power reactor design developed by France. It was graphite moderated, cooled by carbon dioxide, and fueled with natural uranium metal. The first generation of French nuclear power stations were UNGGs, as was Vandellos unit 1 in Spain. Of ten units built, all were shut down by end 1994, most for economic reasons due to staffing costs. The UNGG and the Magnox are the two main types of gas cooled reactor (GCR). A UNGG reactor is often referred to simply as a GCR in English documents, or sometimes loosely as a Magnox. It was developed independently of and in parallel to the British Magnox design, and to meet similar requirements. The first UNGG reactors at Marcoule used horizontal fuel channels and a concrete containment structure. Chinon A1 used vertical fuel channels, as did the British Magnox reactors, and a steel pressure-vessel.The fuel cladding material was magnesium-zirconium alloy in the UNGG, as opposed to magnesium-aluminium in Magnox. As both claddings react with water, they can be stored in a spent fuel pool for short times only, making short-term reprocessing of the fuel essential, and requiring heavily shielded facilities for this.The programme was a succession of units, with changes to the design increasing power output. In the experimental phase they were built by the Commissariat à l'Énergie Atomique (CEA), and later by Électricité de France (EDF). The largest UNGG reactor build was Bugey 1 with a net electrical output of 540 MW.".
- UNGG_reactor thumbnail A1_A2_saint_laurent.JPG?width=300.
- UNGG_reactor wikiPageExternalLink search.aspx?orig_q=RN:20085902.
- UNGG_reactor wikiPageExternalLink search.aspx?orig_q=RN:28008789.
- UNGG_reactor wikiPageID "11421569".
- UNGG_reactor wikiPageLength "3656".
- UNGG_reactor wikiPageOutDegree "33".
- UNGG_reactor wikiPageRevisionID "643063062".
- UNGG_reactor wikiPageWikiLink Ain.
- UNGG_reactor wikiPageWikiLink Bugey_Nuclear_Power_Plant.
- UNGG_reactor wikiPageWikiLink Carbon_dioxide.
- UNGG_reactor wikiPageWikiLink Category:Graphite_moderated_reactors.
- UNGG_reactor wikiPageWikiLink Category:Nuclear_power_reactor_types.
- UNGG_reactor wikiPageWikiLink Chinon_Nuclear_Power_Plant.
- UNGG_reactor wikiPageWikiLink French_Alternative_Energies_and_Atomic_Energy_Commission.
- UNGG_reactor wikiPageWikiLink Gas-cooled_reactor.
- UNGG_reactor wikiPageWikiLink Graphite.
- UNGG_reactor wikiPageWikiLink Indre-et-Loire.
- UNGG_reactor wikiPageWikiLink Loir-et-Cher.
- UNGG_reactor wikiPageWikiLink Magnesium.
- UNGG_reactor wikiPageWikiLink Magnox.
- UNGG_reactor wikiPageWikiLink Magnox_(alloy).
- UNGG_reactor wikiPageWikiLink Marcoule_Nuclear_Site.
- UNGG_reactor wikiPageWikiLink Natural_uranium.
- UNGG_reactor wikiPageWikiLink Neutron_moderator.
- UNGG_reactor wikiPageWikiLink Nuclear_power_in_France.
- UNGG_reactor wikiPageWikiLink Nuclear_reactor.
- UNGG_reactor wikiPageWikiLink Nuclear_reprocessing.
- UNGG_reactor wikiPageWikiLink Saint-Laurent_Nuclear_Power_Plant.
- UNGG_reactor wikiPageWikiLink Spain.
- UNGG_reactor wikiPageWikiLink Spent_fuel_pool.
- UNGG_reactor wikiPageWikiLink Vandellòs_Nuclear_Power_Plant.
- UNGG_reactor wikiPageWikiLink Zirconium.
- UNGG_reactor wikiPageWikiLink Électricité_de_France.
- UNGG_reactor wikiPageWikiLink File:A1_A2_saint_laurent.JPG.
- UNGG_reactor wikiPageWikiLink File:Chinon_nuclear_power_plant-3.JPG.
- UNGG_reactor wikiPageWikiLink File:Section_cartouche_combustible_UNGG_Bugey.png.
- UNGG_reactor wikiPageWikiLinkText "UNGG reactor".
- UNGG_reactor wikiPageWikiLinkText "UNGG".
- UNGG_reactor wikiPageUsesTemplate Template:Nuclear-power-stub.
- UNGG_reactor wikiPageUsesTemplate Template:Nuclear_fission_reactors.
- UNGG_reactor wikiPageUsesTemplate Template:Nuclear_power_in_France.
- UNGG_reactor wikiPageUsesTemplate Template:Reflist.
- UNGG_reactor subject Category:Graphite_moderated_reactors.
- UNGG_reactor subject Category:Nuclear_power_reactor_types.
- UNGG_reactor hypernym Design.
- UNGG_reactor type Reactor.
- UNGG_reactor comment "The UNGG (Uranium Naturel Graphite Gaz) is an obsolete nuclear power reactor design developed by France. It was graphite moderated, cooled by carbon dioxide, and fueled with natural uranium metal. The first generation of French nuclear power stations were UNGGs, as was Vandellos unit 1 in Spain. Of ten units built, all were shut down by end 1994, most for economic reasons due to staffing costs. The UNGG and the Magnox are the two main types of gas cooled reactor (GCR).".
- UNGG_reactor label "UNGG reactor".
- UNGG_reactor sameAs Q1417077.
- UNGG_reactor sameAs UNGG-Reaktor.
- UNGG_reactor sameAs UNGG.
- UNGG_reactor sameAs Uranium_naturel_graphite_gaz.
- UNGG_reactor sameAs UNGG-reactor.
- UNGG_reactor sameAs m.02rb_tt.
- UNGG_reactor sameAs Q1417077.
- UNGG_reactor wasDerivedFrom UNGG_reactor?oldid=643063062.
- UNGG_reactor depiction A1_A2_saint_laurent.JPG.
- UNGG_reactor isPrimaryTopicOf UNGG_reactor.