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This Defense Intelligence Agency reference document, dated 10 March 2010, covers inertial electrostatic confinement (IEC) fusion. It was produced in FY 2009 under the DIA's Advanced Aerospace Weapon System Applications (AAWSA) program. The report focuses on work at the University of Illinois Urbana-Champaign and reviews IEC basics, experiments, theory and applications such as neutron sources, explosives detection and space propulsion. It concludes by proposing a breakeven experiment for p-11B fusion that uses a hydrogen plasma simulation.
“formation”17 pages
UNCLASSIFIED/ ;raA 8FFlil.l1k WE&i &Ilk¥ Figures Figure 1.1. An UIUC Spherical IEC .......................................................................... 1 Figure 1.2. Idealized Potential Structure Calculated by Hirsch for Monoenergetic Ions With No Angular Momentum ......................................................... 6 Figure 1.3. Discharge Modes in Gridded Devices Identified by Miley ...................... 9 Figure 1.4. Photo of Star Mode Seen Through a Reaction Vessel Port Window ....... 9 Figure 1.5. Schematic of the UIUC RF Gun Injector for IEC Experiments .............. 11 Figure 1.6. RF Gun Attached to an IEC Chamber in the UIUC Laboratory .............. 12 Figure 1.7. Photo of Center Spot Formation ......................................................... 12 Figure 2.1. The "Historic" Early IEC Ion Injection Experiment ............................. 14 Figure 2.2. Neutron Rates Measured With the IEC Neutron Rates Measured With the IEC of Figure 2.1 Exceeded 10 9 DT n/s at 150 kV ......................... 14 Figure 2.3. Photograph of a STAR Mode Discharge ............................................... 16 Figure 2.4. IEC Landmine Detection Project at Kyoto University .......................... 17 Figure 2.5. Scheme for Landmine Detection Using a Hybrid Magnetron Type IEC Neutron Source ............................................................................ 18 Figure 2.6. 3He Ion Source for Use in 3He • 3 He Fusion Rate Studies at the u Of Wisconsin ........................................................................................... 19 Figure 3.1. Two Types of Cylindrical IECs ............................................................. 22 Figure 3.2. Jet Operational Mode in Experimental IEC Device and Jet Set-Up ...... 24 Figure 3.3. Illustration of the IEC Jet Thruster Experiment Showing Central Grid and Two Jet Grids ....................................................................... 27 Figure 3.4. Dipole Reactor Propulsion Scheme ..................................................... 29 Figure 3.5. Dipole Magnetic Field and Layout of Devices ...................................... 30 Figure 3.6. Electron Density Vs. Dipole Magnet Field Strength at 25mtorr, 20mA 31 Figure 4.1. Cross Section of the Experimental Layout of the PFX-I Experiment .... 34 Figure 4.2. Detail of the Anode and the Ion Injection Port in PFX-I ..................... 35 Figure 4.3. Plot of the Q-Value ............................................................................. 37 Figure 4.4. Sketch of Two Opposite Limits of the Beam·Maxwellian Equilibrium .. 38 Figure 4.5. The Definition of the Double Well Depth ............................................. 39 Figure 4.6. The Definition of the Parallel and Perpendicular Velocities at the IEC Cathode Grid ...................................................................................... 39 Figure 4.7. The Double Well Potential Calculated With IXL Code .......................... 40 Figure 4.8. Ion Density Profile for Potential Well ................................................. 40 Figure 4.9. The D-D Fusion Reaction Rate Versus Cathode Current ...................... 40 Figure 4.10. Plot of Growth Rate of Spherically Converging/Diverging Ion•Beam Instability ......................................................................................... 42 Figure 4.11. Diagram Showing Equipotential Surfaces of the IEC Cathode Grid .. 45 Figure 4.12. Results for Calculations for Ion Energy Distributions pt Pass .......... 45 Figure 5.1. Block Diagram of the IEC Pulsed Power System ................................. 49 Figure 5.2. Schematic (View From Top) of a Broad Coverage IEC Inspection System for Luggage Inspection .......................................................... 51 Figure 5.3. Further Illustration of the Integrated System for Airport Luggage Inspection .......................................................................................... 53 Figure 5.4. Further Illustration of the Integrated System for Ship Container Inspection .......................................................................................... 53 Figure S.S. Image of a Fusion II Spaceship, a 750·MWe IEC Fusion·Powered Manned Spacecraft With Ion Thruster Propulsion .............................. 54 Figure 5.6. Scale Schematic of Fusion Ship II, a 750·MWe IEC Fusion Spacecraft .......................................................................................... 55 Figure 5.7. Illustration of a Three-Unit MCSA Device ............................................ 57 Figure S.S. Diagram of Belt-Cusp Fields and Particle Recirculation ...................... 57 V UNCLASSIFIED/ ,u;oAt OFFIGIPk IP&'&i Ollk¥
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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 72 pages are in the text index: search them above, or from the library's search.