Defense Intelligence Reference Document Positron Aerospace Propulsion

Defense Intelligence Agency · 35 pages · text from the file's own layer

This unclassified Defense Intelligence Reference Document from the Defense Intelligence Agency is dated 2 March 2010. It was produced in FY 2009 under the Advanced Aerospace Weapon System Applications (AAWSA) Program. The report reviews work on using positrons as aerospace fuel. It covers air-breathing turbojet and ramjet engines, unmanned aircraft, missiles, single-stage reusable vehicles, positron rockets and a crewed Mars mission, along with how positrons could be produced and stored. It concludes that a first positron-powered flight around the globe could be possible within 10 years.

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“Works”9 pages

p. 5 …This paper is an anthology of that work and not a general review of antimatter propulsion…
p. 7 …Because of the aforementioned performance bounds of combustion engines, the aeronautic industry has worked diligently to…
p. 13 …Defense, NASA, and the aerospace industry are working to eliminate multistage rockets for access to low…
p. 16 …28 In a solid-core positron rocket, positrons heat a hydrogen working fluid through an attenuating…
p. 18 …heated H: • Propellant-heated He • Working fluids for power • Working fluids for power systems - inert gas…
p. 21 …was assumed to be parabolic for this work. 38 To make the Sanger photon rocket practical…
p. 22 …be possible • Hot-bleed line possible Future work • Efficiency study Gas-Core Sanger Ablation 1000 - 2500…
p. 23 …consumption does not dominate rocket positron consumption. ◄ Work 5 Rf'!gf'l'M'rllto.- JC~ ~ 4…
p. 31 …What lifetimes might be expected working Figure 22. TEM of Silica Aerogel (courtesy with this material…

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Figure 2. Tory-IIC Ready for Testing (courtesy LLNL}
In a positron turbojet/ramjet engine (PTRE), 8 tungsten shells are heated by gamma
rays, with heat transferred to air by convection. 9 , 10
turboJet turbine
positron trap
..
turboJet compressor
turboiet healing
chamber
tungsten shells
used for heating
no;ule
Figure 3. PTRE Turbojet (green} and Turbo-Ramjet (red} Modes (courtesy Positronics Research LLC) 11
3
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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 35 pages are in the text index: search them above, or from the library's search.