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Advanced-fuel pellet approaches to inertial fusion

Author

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  • Choi, Chan K.
  • Blue, Thomas E.
  • Miley, George H.

Abstract

Inertial confinement fusion (ICF) concepts, as compared to magnetic confinement, provide an attractive approach to burning “advanced-fusion fuels” to achieve fusion. A key advantage of the ICF approach is that the absence of externally imposed magnetic fields avoids large cyclotron radiation losses. An important advantage of advanced-fusion fuels is that advanced fuels provide “cleanliness” due to less neutron production and tritium handling. Present studies focus on the A-FLINT (Advanced-Fuel Layered Ignitor/Pellet Nurturing Tritium) design which consists of a D-T fueled seed surrounded by a D-layer and appropriate tamper. A heavy-ion beam accelerator is proposed to provide adequate input-energy and efficiency. The pellet design minimizes input requirements through shock ignition of the small D-T core, providing a matchhead effect. The surrounding layers provide unburned tritium to fuel subsequent pellets, eliminating the need for a lithium blanket and simplifying the reaction vessel design.

Suggested Citation

  • Choi, Chan K. & Blue, Thomas E. & Miley, George H., 1979. "Advanced-fuel pellet approaches to inertial fusion," Energy, Elsevier, vol. 4(2), pages 157-162.
    • Handle: RePEc:eee:energy:v:4:y:1979:i:2:p:157-162
    DOI: 10.1016/0360-5442(79)90116-6
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