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- Lucens_reactor abstract "The Lucens reactor at Lucens, Vaud, Switzerland, was a small pilot nuclear reactor destroyed by an accident in 1969.In 1962 the construction of a Swiss-designed pilot nuclear power plant began. The heavy-water moderated, carbon dioxide gas-cooled, reactor was built in an underground cavern and produced 30 megawatts of heat (which was used to generate 8.3 megawatts of electricity). It became critical in 1966 and the plant was decommissioned in 1988. It was fueled by 0.96% enriched uranium alloyed with chromium cased in magnesium alloy (magnesium with 0.6% zirconium) inserted into a graphite matrix. Carbon dioxide gas was pumped into the top of the channels at 6.28 MPa and 223 °C and exited the channels at a pressure of 5.79 MPa and at a temperature of 378 °C.It was intended to operate until the end of 1969, but during a startup on January 21, 1969, it suffered a loss-of-coolant accident, leading to a partial core meltdown and massive radioactive contamination of the cavern, which was then sealed.The accident was caused by water condensation forming on some of the magnesium alloy fuel element components during shutdown and corroding them. The corrosion products from this accumulated in some of the fuel channels. One of the 73 vertical fuel channels was sufficiently blocked by it to impede the flow of carbon dioxide coolant so that the magnesium alloy cladding melted and further blocked the channel. The increase in temperature and exposure of the uranium metal fuel to the coolant eventually caused the fuel to catch fire in the carbon dioxide coolant atmosphere. The pressure tube surrounding the fuel channel split because of overheating and bowing of the burning fuel assembly, and the carbon dioxide coolant leaked out of the reactor.No irradiation of workers or the population occurred, though the cavern containing the reactor was seriously contaminated. The cavern was decontaminated and the reactor dismantled over the next few years.".
- Lucens_reactor wikiPageExternalLink switzerland.php.
- Lucens_reactor wikiPageExternalLink Accidents.shtml.
- Lucens_reactor wikiPageID "1988220".
- Lucens_reactor wikiPageLength "3987".
- Lucens_reactor wikiPageOutDegree "35".
- Lucens_reactor wikiPageRevisionID "699296039".
- Lucens_reactor wikiPageWikiLink Carbon_dioxide.
- Lucens_reactor wikiPageWikiLink Category:1966_establishments_in_Switzerland.
- Lucens_reactor wikiPageWikiLink Category:1969_disestablishments.
- Lucens_reactor wikiPageWikiLink Category:Buildings_and_structures_in_Vaud.
- Lucens_reactor wikiPageWikiLink Category:Defunct_nuclear_reactors.
- Lucens_reactor wikiPageWikiLink Category:Former_nuclear_power_stations.
- Lucens_reactor wikiPageWikiLink Category:Nuclear_accidents_and_incidents.
- Lucens_reactor wikiPageWikiLink Category:Nuclear_power_stations_in_Switzerland.
- Lucens_reactor wikiPageWikiLink Category:Nuclear_technology_in_Switzerland.
- Lucens_reactor wikiPageWikiLink Category:Radioactively_contaminated_areas.
- Lucens_reactor wikiPageWikiLink Category:Science_and_technology_in_Switzerland.
- Lucens_reactor wikiPageWikiLink Cave.
- Lucens_reactor wikiPageWikiLink Chromium.
- Lucens_reactor wikiPageWikiLink Coolant.
- Lucens_reactor wikiPageWikiLink Corrosion.
- Lucens_reactor wikiPageWikiLink Enriched_uranium.
- Lucens_reactor wikiPageWikiLink Gas-cooled_reactor.
- Lucens_reactor wikiPageWikiLink Irradiation.
- Lucens_reactor wikiPageWikiLink List_of_civilian_nuclear_accidents.
- Lucens_reactor wikiPageWikiLink Loss-of-coolant_accident.
- Lucens_reactor wikiPageWikiLink Lucens.
- Lucens_reactor wikiPageWikiLink Magnesium.
- Lucens_reactor wikiPageWikiLink Nuclear_and_radiation_accidents_and_incidents.
- Lucens_reactor wikiPageWikiLink Nuclear_graphite.
- Lucens_reactor wikiPageWikiLink Nuclear_meltdown.
- Lucens_reactor wikiPageWikiLink Nuclear_power_plant.
- Lucens_reactor wikiPageWikiLink Nuclear_reactor.
- Lucens_reactor wikiPageWikiLink Pilot_plant.
- Lucens_reactor wikiPageWikiLink Pressurized_heavy-water_reactor.
- Lucens_reactor wikiPageWikiLink Radioactive_contamination.
- Lucens_reactor wikiPageWikiLink Vaud.
- Lucens_reactor wikiPageWikiLink Watt.
- Lucens_reactor wikiPageWikiLink Zirconium.
- Lucens_reactor wikiPageWikiLinkText "LUCENS".
- Lucens_reactor wikiPageWikiLinkText "Lucens partial core meltdown".
- Lucens_reactor wikiPageWikiLinkText "Lucens reactor".
- Lucens_reactor wikiPageWikiLinkText "Lucens".
- Lucens_reactor wikiPageWikiLinkText "experimental nuclear reactor".
- Lucens_reactor wikiPageWikiLinkText "small pilot reactor".
- Lucens_reactor wikiPageUsesTemplate Template:CHNPPlants.
- Lucens_reactor wikiPageUsesTemplate Template:Coord.
- Lucens_reactor wikiPageUsesTemplate Template:Reflist.
- Lucens_reactor wikiPageUsesTemplate Template:Switzerland_nuke_plant_map.
- Lucens_reactor wikiPageUsesTemplate Template:Use_mdy_dates.
- Lucens_reactor subject Category:1966_establishments_in_Switzerland.
- Lucens_reactor subject Category:1969_disestablishments.
- Lucens_reactor subject Category:Buildings_and_structures_in_Vaud.
- Lucens_reactor subject Category:Defunct_nuclear_reactors.
- Lucens_reactor subject Category:Former_nuclear_power_stations.
- Lucens_reactor subject Category:Nuclear_accidents_and_incidents.
- Lucens_reactor subject Category:Nuclear_power_stations_in_Switzerland.
- Lucens_reactor subject Category:Nuclear_technology_in_Switzerland.
- Lucens_reactor subject Category:Radioactively_contaminated_areas.
- Lucens_reactor subject Category:Science_and_technology_in_Switzerland.
- Lucens_reactor hypernym Reactor.
- Lucens_reactor point "46.69277777777778 6.8275".
- Lucens_reactor type Area.
- Lucens_reactor type PowerStation.
- Lucens_reactor type Station.
- Lucens_reactor type Accident.
- Lucens_reactor type Area.
- Lucens_reactor type Station.
- Lucens_reactor type SpatialThing.
- Lucens_reactor comment "The Lucens reactor at Lucens, Vaud, Switzerland, was a small pilot nuclear reactor destroyed by an accident in 1969.In 1962 the construction of a Swiss-designed pilot nuclear power plant began. The heavy-water moderated, carbon dioxide gas-cooled, reactor was built in an underground cavern and produced 30 megawatts of heat (which was used to generate 8.3 megawatts of electricity). It became critical in 1966 and the plant was decommissioned in 1988.".
- Lucens_reactor label "Lucens reactor".
- Lucens_reactor sameAs Q686884.
- Lucens_reactor sameAs Category:Lucens_nuclear_reactor.
- Lucens_reactor sameAs Reaktor_Lucens.
- Lucens_reactor sameAs رآکتور_لوسنس.
- Lucens_reactor sameAs Centrale_nucléaire_de_Lucens.
- Lucens_reactor sameAs Centrale_nucleare_di_Lucens.
- Lucens_reactor sameAs Elektrownia_jądrowa_Lucens.
- Lucens_reactor sameAs m.06c5p5.
- Lucens_reactor sameAs Q686884.
- Lucens_reactor lat "46.69277777777778".
- Lucens_reactor long "6.8275".
- Lucens_reactor wasDerivedFrom Lucens_reactor?oldid=699296039.
- Lucens_reactor isPrimaryTopicOf Lucens_reactor.