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Defense Intelligence Reference Document Aneutronic Fusion Propulsion(1)
Defense Intelligence Agency · 50 pages · text from the file's own layer
This Defense Intelligence Reference Document, dated 1 November 2010, was produced by the Defense Intelligence Agency under its Advanced Aerospace Weapon System Applications (AAWSA) Program. It surveys propulsion technologies that include chemical, ion, and nuclear fission rockets, fusion schemes, aneutronic fusion, and antimatter propulsion. It also covers radiation shielding and speculates on research needs over the next 30 years for missions from low Earth orbit to Mars, Jupiter, Saturn, and Alpha Centauri. The document concludes that aneutronic fusion promises to be an important mechanism for future space propulsion.
“Shields”14 pages
- p. 4 …5
Radiation Shielding ............................................................................................ 6
Subatomic Particle Mass, Velocity, and Energy .................................................. 9
Nuclear Fission Rockets ................................................................................... 10
Chapter…
- p. 5 …Spherical Radiation Shield Surrounding Point Source ....................... 8
Figure 4. Nuclear Fission Rocket Oesign ........................................................ 11
Figure 5…
- p. 7 …provided for the crew by adding heavy shielding materials or by locating the crew as
far…
- p. 8 …need to carry large amounts of radiation shielding
material for the crew. The energy from charged…
- p. 14 …RADIATION SHIELDING
Radiation shielding will be important for astronauts traveling to the Moon, to the other…
- p. 15 …On Earth, the magnetic field of the planet helps to shield people from most of
the…
- p. 16 …Radiation
Shielding
Material r
μ = attenuar,on coefficenl
Figure 3. Spherical Radiation Shield Surrounding a Point…
- p. 17 …It also decreases through any
intervening radiation shielding material. The last term in equation 1.18…
- p. 19 …the crew to serve as a radiation shield for neutrons
produced during fission. The spacecraft would…
- p. 21 …The 14.1-MeV neutron will penetrate far into lead or steel shielding and can cause…
- p. 22 …from the fusion reactor, some degree of
shielding is possible.
While fusion reactors have the potential…
- p. 26 …Neutrons are difficult to shield and present a safety concern for the crew of a
fusion…
- p. 44 …but they can be absorbed with suitable shielding and their
energy converted into heat. Research into…
- p. 49 …F., Radiation Shielding, American Nuclear Society (ANS),
2000.
s Duderstadt, James J., and Hamilton, Louis J…
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