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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.
“The Times”19 pages
- p. 5 …8FFI8Itlrt 1!181!! 8HL'f
LEO to the Moons of Jupiter and Saturn (460 to 940…
- p. 9 …1)
The momentum of the exhausted air is equal to the mass of air times its…
- p. 12 …or other body, the exhaust velocity affects the time of flight
and the amount of fuel…
- p. 15 …continuous, and the effects of being in space for extended periods of time may be
cumulative…
- p. 16 …time, is represented by ,nrtiat represents the initial flux without the
shielding; and μ is the…
- p. 25 …fired 10 times in 1 second, and all of the energy of the
electrons and ions…
- p. 26 …the "Lawson
criteria." The triple product includes the plasma density (ne), the energy confinement
time (TE…
- p. 28 …stored for a short time in magnetic bottles. Antimatter has the highest
energy density of any…
- p. 30 …The estimated travel time of this system to Alpha Centauri was
100 years at an average…
- p. 34 …smaller, yet the transit time can be
very long. Chemical rockets, such as the Saturn V…
- p. 35 …The
transit time is typically 9 months, each way. Aerobraking in the Martian atmosphere is
used…
- p. 36 …since the application of a small, but continuous thrust over a
long period of time leads…
- p. 38 …The ratio of time measured on the rocket to time measured on
earth follows the graph…
- p. 39 …Time Dilation at Relativistic Velocities.
The Tsiolkovsky rocket equation is important as it relates the change…
- p. 40 …consumed over
time, but the thrust required is relatively small.
To explore the needs for high…
- p. 42 …At this acceleration, time on the rocket would pass at 72% of
the rate of time…
- p. 44 …By using the Relativistic Rocket Worksheet
in Appendix D, it is possible to decrease the time…
- p. 45 …quantum
mechanics and the Theory of Relativity. 27 He postulated that time and distance are
quantized…
- p. 47 …Compute the Rocket Per1ormance
39
a. Time required to reach Proxima Centauri in earth time (inertial…
01 November 2010
ICOD: 20 July 2010
DIA-08-1011-003
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Defense
Intelligence
Reference
Document
Defense Futures
Aneutronic Fusion Propulsion
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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 50 pages are in the text index: search them above, or from the library's search.