An Assessment of the Prospects for Inertial Fusion Energy (2013) / Chapter Skim
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Appendix A: The Basic Science of Inertial Fusion Energy
Appendix A: The Basic Science of Inertial Fusion Energy
Pages 173-176
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From page 173... ...
significantly before the target blows itself apart. Clearly, if this is to be of use for energy production, the energy required to initiate the burn must be significantly less than the energy released by the fusion reactions.
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From page 174... ...
In most ICF schemes, a shell of cryogenic deuterium and tritium fuel is accel erated inward and compressed by the reaction force from an ablating outer shell. The ablating outer shell is heated either by direct laser irradiation (called "direct drive")
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From page 175... ...
, resulting in a large amplification of the hot spot energy. If the inertia of the surrounding dense DT shell confines the ignited hot spot pressure long enough, the thermonuclear burn will propagate from the central hot spot to the dense shell and the entire fuel mass will burn.
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From page 176... ...
For a power plant with a driver wall plug efficiency hD, target gain G, thermal-to-electrical conversion efficiency hth, and blanket amplification AB (the total energy released per 14.1 MeV neutron entering the blanket via nuclear reactions with the structural, coolant, and breeding mate rial) , the engineering Q is QE = hthhDABG (see Figure A.2)
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