Defense Intelligence Reference Document Aneutronic Fusion Propulsion (2)

Defense Intelligence Agency · 36 pages · text from the file's own layer

This Defense Intelligence Agency reference document, dated 1 November 2010, is one of a series of advanced technology reports produced in FY 2010 under the Advanced Aerospace Weapons System Applications (AAWSA) Program. It covers fusion plasma physics, confinement methods, and propulsion concepts that use aneutronic fuels such as hydrogen and boron-11. It concludes that such thrusters may soon replace satellite ion thrusters. It also finds that they will not be practical beyond the solar system without breakthrough propulsion physics.

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Chapter 8: Endnotes ............................................................................................ 31
Figures
Figure 1. Fusion Reaction Cross Sections vs. Temperature ..................................... 4
Figure 2. Magnetic Mirror Confinement .................................................................. 6
Figure 3. a) Tokamak and b) Stellarator Confinement ............................................ 6
Figure 4. Field-Reversed Configuration .................................................................. 7
Figure 5. IEC Fusor and Polywell Confinement Configurations ............................... 8
Figure 6. Magnetized Target Fusion Experiment at LANL. ..................................... 10
Figure 7. Dense Plasma Focus (Lawrenceville Plasma Physics) ............................ 10
Figure 8. Specific Power as a Function of Plasma Temperature of Fusion Rocket. 11
Figure 9. Colliding Beam Fusion Reactor .............................................................. 12
Figure 10. DPF Thruster System With Direct Conversion ...................................... 12
Figure 11. Magnetized Target Fusion Reactor ...................................................... 13
Figure 12. MHD Air·Breathing and Fusion Rocket Aerospace Plane ...................... 13
Figure 13. Design of an IEC Jet Thruster - Experimental Device ........................... 18
Figure 14. Comparison of Fusion, Nuclear-Thermal, and Chemical Propulsion for
Same Payload ....................................................................................................... 19
Figure 15. Thrust-to-Weight Ratio and Exhaust Velocity Regimes for Various Long-
Range Space Propulsion Options .......................................................................... 19
Figure 16. Bussard Ram Jet .................................................................................. 20
Figure 17. Progress in Tokomak Magnetic Confinement Fusion ............................ 22
Figure 18. ITER Design Concept With BWR Size and Blanket Segment ................. 23
Figure 19. Experiments To Prove a Plasma Fusion Propulsion Concept ................ 28
Figure 20. Roadmap to Aneutronic Fusion Propulsion Development ..................... 29
Tables
Table 1: Principal Fusion Reactions ........................................................................... 3
Table 2: Fusion Peak Interaction Temperatures and Fusion Energy to X-rays ......... 4
Table 3: Fusion Ignition Temperatures ..................................................................... 5
Table 4: Advanced Fusion Concept Reactor Companies .......................................... 24
Table 5: Emerging Technologies .............................................................................. 26
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