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- Godiva_device abstract "The Lady Godiva device was an unshielded, pulsed nuclear reactor originally situated at the Los Alamos National Laboratory (LANL), New Mexico, U.S. It was one of a number of criticality devices within Technical Area 18 (TA-18). Specifically, it was used to produce bursts of neutrons and gamma rays for irradiating test samples, and inspired development of Godiva-like reactors. Physicist Otto Frisch remembered the Los Alamos team called an earlier unshielded uranium-235 assembly in 1944 \"Lady Godiva\".The radiation source within the Godiva device was a fissile metallic mass (usually highly enriched 235U), about 30 cm in diameter. This was located at the top of a two-metre-high metal tower. The burst of radiation was produced when a piston of fissile material was quickly inserted and extracted from a cavity within the larger fissile mass. During the time these two masses were combined, they formed a critical mass and a nuclear chain reaction was briefly sustained.Godiva's design was inspired from a self terminating property discovered when incorrectly experimenting with the Jemima device in 1952. Jemima operated by remotely lifting one stack of enriched uranium-235 disks up towards another, fixed, stack. On 18 April 1952, due to a miscalculation, Jemima was assembled with too many disks; this caused an excursion of 1.5 x 1016 fissions—an automatic scram—but no damage.On 3 February 1954 and 12 February 1957, accidental criticality excursions occurred causing damage to the device, but fortunately only insignificant exposures to personnel. This original Godiva device, known as Lady Godiva, was irreparable after the second accident and was replaced by the Godiva II.".
- Godiva_device thumbnail Godiva-before-scrammed.jpg?width=300.
- Godiva_device wikiPageExternalLink la-13638.pdf.
- Godiva_device wikiPageExternalLink la_13638.shtml.
- Godiva_device wikiPageID "9656278".
- Godiva_device wikiPageLength "7143".
- Godiva_device wikiPageOutDegree "35".
- Godiva_device wikiPageRevisionID "663244921".
- Godiva_device wikiPageWikiLink Aberdeen_Proving_Ground.
- Godiva_device wikiPageWikiLink Albuquerque,_New_Mexico.
- Godiva_device wikiPageWikiLink Category:Nuclear_accidents_and_incidents.
- Godiva_device wikiPageWikiLink Category:Nuclear_reactors.
- Godiva_device wikiPageWikiLink Category:Nuclear_research_reactors.
- Godiva_device wikiPageWikiLink Critical_mass.
- Godiva_device wikiPageWikiLink Criticality_accident.
- Godiva_device wikiPageWikiLink Enriched_uranium.
- Godiva_device wikiPageWikiLink Fissile_material.
- Godiva_device wikiPageWikiLink Flattop_(critical_assembly).
- Godiva_device wikiPageWikiLink Gamma_ray.
- Godiva_device wikiPageWikiLink Geneva.
- Godiva_device wikiPageWikiLink Jemima_device.
- Godiva_device wikiPageWikiLink Lady_Godiva.
- Godiva_device wikiPageWikiLink Lawrence_Livermore_National_Laboratory.
- Godiva_device wikiPageWikiLink Los_Alamos_National_Laboratory.
- Godiva_device wikiPageWikiLink National_Nuclear_Security_Administration.
- Godiva_device wikiPageWikiLink Neutron.
- Godiva_device wikiPageWikiLink Nevada_Test_Site.
- Godiva_device wikiPageWikiLink New_Mexico.
- Godiva_device wikiPageWikiLink Nuclear_chain_reaction.
- Godiva_device wikiPageWikiLink Nuclear_reactor.
- Godiva_device wikiPageWikiLink Otto_Robert_Frisch.
- Godiva_device wikiPageWikiLink Scram.
- Godiva_device wikiPageWikiLink Self_terminating.
- Godiva_device wikiPageWikiLink United_Nations_Office_at_Geneva.
- Godiva_device wikiPageWikiLink United_States_Atomic_Energy_Commission.
- Godiva_device wikiPageWikiLink United_States_Department_of_Defense.
- Godiva_device wikiPageWikiLink United_States_Department_of_Energy.
- Godiva_device wikiPageWikiLink Uranium-235.
- Godiva_device wikiPageWikiLink White_Sands_Missile_Range.
- Godiva_device wikiPageWikiLink File:Godiva-before-scrammed.jpg.
- Godiva_device wikiPageWikiLink File:Godiva_II_critical_assembly.png.
- Godiva_device wikiPageWikiLinkText ""Lady Godiva assembly"".
- Godiva_device wikiPageWikiLinkText "Godiva device".
- Godiva_device wikiPageWikiLinkText "Godiva".
- Godiva_device wikiPageWikiLinkText "Lady Godiva assembly".
- Godiva_device wikiPageWikiLinkText "Lady Godiva device".
- Godiva_device wikiPageUsesTemplate Template:Cite_conference.
- Godiva_device wikiPageUsesTemplate Template:Cite_web.
- Godiva_device wikiPageUsesTemplate Template:Commons_category.
- Godiva_device wikiPageUsesTemplate Template:Convert.
- Godiva_device wikiPageUsesTemplate Template:Refbegin.
- Godiva_device wikiPageUsesTemplate Template:Refend.
- Godiva_device wikiPageUsesTemplate Template:Reflist.
- Godiva_device wikiPageUsesTemplate Template:Use_dmy_dates.
- Godiva_device subject Category:Nuclear_accidents_and_incidents.
- Godiva_device subject Category:Nuclear_reactors.
- Godiva_device subject Category:Nuclear_research_reactors.
- Godiva_device hypernym Reactor.
- Godiva_device type PowerStation.
- Godiva_device type Station.
- Godiva_device type Accident.
- Godiva_device type Center.
- Godiva_device type Reactor.
- Godiva_device type Station.
- Godiva_device comment "The Lady Godiva device was an unshielded, pulsed nuclear reactor originally situated at the Los Alamos National Laboratory (LANL), New Mexico, U.S. It was one of a number of criticality devices within Technical Area 18 (TA-18). Specifically, it was used to produce bursts of neutrons and gamma rays for irradiating test samples, and inspired development of Godiva-like reactors.".
- Godiva_device label "Godiva device".
- Godiva_device sameAs Q4257080.
- Godiva_device sameAs Godiva-Reaktor.
- Godiva_device sameAs m.02pnb5k.
- Godiva_device sameAs Леди_Годива_(реактор).
- Godiva_device sameAs Q4257080.
- Godiva_device wasDerivedFrom Godiva_device?oldid=663244921.
- Godiva_device depiction Godiva-before-scrammed.jpg.
- Godiva_device isPrimaryTopicOf Godiva_device.