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- GPHS-RTG abstract "GPHS-RTG or General Purpose Heat Source — Radioisotope Thermoelectric Generator, is a specific design of the Radioisotope Thermoelectric Generator (RTG) used on US space missions. The GPHS-RTG was used on Ulysses (1), Galileo (2), Cassini-Huygens (3), and New Horizons (1).The GPHS-RTG has an overall diameter of 0.422 m and a length of 1.14 m.Each GPHS-RTG has a mass of about 57 kg and generates about 300 Watts of electrical power at the start of mission (5.2 We/kg), using about 7.8 kg of Pu-238 which produces about 4,400 Watts of thermal power. The plutonium oxide fuel is in 18 GPHSs. Note that the GPHS are cuboid although they contain cylindrical plutonium based pellets.The GPHS-RTG units used on spacecraft were not created by NASA. They were designed and built by General Electric Space Division (later part of Martin-Marietta, subsequently part of Lockheed Martin), in King of Prussia, Pennsylvania. The generators were filled with plutonium by Department of Energy laboratories in Miamisburg, Ohio and Idaho Falls, Idaho.After the Ulysses and Galileo RTGs were fueled, their launches were postponed by four and three years respectively. As a result, the missions were slightly adapted to utilize the lower power that would be available. The decay heat reduces by about 0.8% per year, so the thermoelectric converter 'ages' or degrades to some extent.The thermoelectric elements convert the heat energy from the isotope into electricity.The GPHS-RTG use SiGe thermoelectric elements ('Unicouples') which are no longer in production.Missions after 2010 requiring RTGs, such as the Mars Science Laboratory, will use the Multi-Mission Radioisotope Thermoelectric Generators instead.".
- GPHS-RTG thumbnail Cutdrawing_of_an_GPHS-RTG.jpg?width=300.
- GPHS-RTG wikiPageExternalLink eisss1.pdf.
- GPHS-RTG wikiPageExternalLink eisss2.pdf.
- GPHS-RTG wikiPageExternalLink eisss3.pdf.
- GPHS-RTG wikiPageID "20401093".
- GPHS-RTG wikiPageLength "3882".
- GPHS-RTG wikiPageOutDegree "21".
- GPHS-RTG wikiPageRevisionID "705469400".
- GPHS-RTG wikiPageWikiLink Cassini–Huygens.
- GPHS-RTG wikiPageWikiLink Category:Nuclear_power_in_space.
- GPHS-RTG wikiPageWikiLink Cuboid.
- GPHS-RTG wikiPageWikiLink Galileo_Probe.
- GPHS-RTG wikiPageWikiLink General_Purpose_Heat_Source.
- GPHS-RTG wikiPageWikiLink Mars_Science_Laboratory.
- GPHS-RTG wikiPageWikiLink Multi-Mission_Radioisotope_Thermoelectric_Generator.
- GPHS-RTG wikiPageWikiLink NASA.
- GPHS-RTG wikiPageWikiLink New_Horizons.
- GPHS-RTG wikiPageWikiLink Plutonium-238.
- GPHS-RTG wikiPageWikiLink Radioisotope_thermoelectric_generator.
- GPHS-RTG wikiPageWikiLink Silicon-germanium.
- GPHS-RTG wikiPageWikiLink Thermoelectric_materials.
- GPHS-RTG wikiPageWikiLink Ulysses_(spacecraft).
- GPHS-RTG wikiPageWikiLink United_States.
- GPHS-RTG wikiPageWikiLink United_States_Department_of_Energy.
- GPHS-RTG wikiPageWikiLink File:Cutdrawing_of_an_GPHS-RTG.jpg.
- GPHS-RTG wikiPageWikiLink File:RTGmodule.png.
- GPHS-RTG wikiPageWikiLink File:Radioisotope_thermoelectric_generator_plutonium_pellet.jpg.
- GPHS-RTG wikiPageWikiLinkText "GPHS-RTG".
- GPHS-RTG wikiPageWikiLinkText "General Purpose Heat Source (GPHS)-RTG".
- GPHS-RTG wikiPageWikiLinkText "general purpose heat source (GPHS)".
- GPHS-RTG wikiPageUsesTemplate Template:Reflist.
- GPHS-RTG subject Category:Nuclear_power_in_space.
- GPHS-RTG hypernym Design.
- GPHS-RTG type Component.
- GPHS-RTG type Technology.
- GPHS-RTG comment "GPHS-RTG or General Purpose Heat Source — Radioisotope Thermoelectric Generator, is a specific design of the Radioisotope Thermoelectric Generator (RTG) used on US space missions.".
- GPHS-RTG label "GPHS-RTG".
- GPHS-RTG sameAs Q3093335.
- GPHS-RTG sameAs GPHS-RTG.
- GPHS-RTG sameAs GPHS-RTG.
- GPHS-RTG sameAs m.04zyg4j.
- GPHS-RTG sameAs Q3093335.
- GPHS-RTG sameAs 通用熱源熱電機.
- GPHS-RTG wasDerivedFrom GPHS-RTG?oldid=705469400.
- GPHS-RTG depiction Cutdrawing_of_an_GPHS-RTG.jpg.
- GPHS-RTG isPrimaryTopicOf GPHS-RTG.
