w. james adams nets 2011 (nuclear emerging …anstd.ans.org/nets2011/documents/presentations/opening...
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W. James Adams
February 7, 2011NETS 2011 (Nuclear Emerging Technologies for Space)
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• RTG’s were used safely in 28 missions since 1961– 10 Earth orbit (Transit, Nimbus, LES)– 8 planetary (Pioneer, Voyager, Galileo, Ulysses,
Cassini, New Horizons)– 6 on lunar surface (Apollo ALSEP)– 4 on Mars surface (Viking 1 & 2)
• 3 RHUs on Mars Pathfinder, 8 RHUs for each MER
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Radioisotope Power Enables Missions
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it 4B
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Nimb
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Vikin
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Vikin
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Apoll
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LSEP
Apoll
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LSEP
Apoll
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LSEP
Apoll
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LSEP
Apoll
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LSEP
Apoll
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LSEP
TRIA
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LES
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LES
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Voya
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Galile
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AFPS
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Mars
DRM tbd tbd
SNAP-3B SNAP-9A SNAP-19 SNAP-27 Transit-RTG MHW GPHS-RTG MMRTG MMRTG reactor Robotic NEP NTP
Pow
er (W
atts
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MissionsASRG
vsHuman Power Needs
Historical Present Future
Nuclear Power Enabled Missions
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