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This Defense Intelligence Reference Document, dated 10 March 2010, was prepared by the Defense Intelligence Agency's Defense Warning Office under the Advanced Aerospace Weapon System Applications Program. It surveys the basics, experimental status, theory and possible uses of inertial electrostatic confinement (IEC) fusion, with emphasis on work at the University of Illinois Urbana-Champaign. It covers neutron sources, explosives detection and space propulsion. It ends by proposing a 12-gun hydrogen plasma experiment meant to show breakeven conditions for p-11B fuel.
From the source:Release of 2026-09-18 Incident: 3/10/10, Las Vegas, Nevada. Released with redactions. This document is a Defense Intelligence Reference Document (DIRD), a technical reference format used by the Defense Intelligence Agency (DIA) to capture baseline knowledge on a specific topic for later analytic use. DIRDs are best understood as reference and synthesis products rather than as original research. It is one of 38 DIRDs produced under the Advanced Aerospace Weapon System Applications Program (AAWSAP) between 2009 and 2011. Because AAWSAP’s scope permitted a broad range of supporting topics, not every DIRD in the series directly concerns aerospace systems or future threat assessment. The following summary reflects the DIRD’s scope and framing at the time of writing and should not be read as implying current validation of the concepts discussed. This DIRD surveys inertial electrostatic confinement (IEC) fusion, a relatively unconventional fusion concept that uses electric fields rather than the more established magnetic or laser-based approaches to confine ions, and it reviews both the underlying physics and the experimental work associated with the concept. The report emphasizes that IEC may have nearer-term value as a compact neutron, proton, or x-ray source and as a platform for studying experimental fusion approaches, while also presenting more ambitious possibilities such as aneutronic power generation and propulsion applications. At the same time, it makes clear that the concept remained far from practical fusion power, with experimental devices operating several orders of magnitude below breakeven and with major unresolved issues involving confinement, losses, grid damage, and scale-up. Overall, the document treats IEC as a technically interesting but still highly speculative path toward fusion energy, while suggesting that its more limited spin-off applications were more plausible in the near term than its long-range power generation or propulsion applications.
“Expedition X”1 page
UNCLASSIFIED/ / FO A OFFIQI,t.k Wli& 0Nk¥ ~10 16 cm-3 , ion trap times of~ 1 sec are required. While very demanding, plasma simulations show that carefully controlled injection can provide the potential well formation (trap) required to achieve this goal. PROPOSED BREAKEVEN EXPERIMENT Studies of gridded configurations discussed earlier have achieved reaction rates of up to 1012 reactions per second(~ 1 Watt of fusion power) . Although these power levels fall we ll below the requisite "break even" condition for power production, corresponding neutrons production makes the IEC an excellent compact source for practical NAA. Consequently this application and then related "spin -off" type projects have continued to advance IEC basic physics understanding to the point where a pathway to a power reactor can now be envisioned. Present IEC experiments at UIUC are designed to baseline Q impact of ion injection conditions combined with supplemental electron sources to maintain the desired quasi-neutrality. One of the current experiments, shown in Figure 6.2, consists of a 16-inch diam . spherical vacuum system with a spherical grid held at a high potential. This system produces about 108 reactions/sec based on neutron counting experiments. A specially designed radio frequency (RF) ion gun is installed on the side of the chamber to study controlled ion injection and corresponding potential well formation for ion trapping. Spherical f(v) 10-21 , - T77"l.i:~=t=1~~;:----:---:-:-:;;-~----~I""7 IEC well depth ( kV ) Figure 6.1. p-11B Fusion Cross Section Energy Requirements. The p- ll B reaction rate approaches that of D-T at very hig h energ ies, I.e. deep potential wells. 10-22 l i 10-23 Ill 'E '-' G> ii 10-24a.. C 0 :.:.u «I 10-25G> ~ 10-26 10-27~-~---~- --~-~-~-~--~~ 1. 2. 3. 5. 10. 20. 30. 50. 100. 200300 UNCLASSIFIED/ ,' FOR OFFiiiIAk W&lii 8 Pt k¥ 62
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 72 pages are in the text index: search them above, or from the library's search.