Abstract
D-{sup 3}He fusion minimizes neutrons and maximizes charged fusion products, enabling increased energy recovery efficiency by direct conversion. However, scarce {sup 3}He terrestrial resources have deterred research & development (R&D) on this alternative. Here, we explore {sup 3}He production through inertial electrostatic confinement (IEC) breeders, which supply {sup 3}He to field-reversed configuration (FRC) satellite reactors. The breeder-satellite system is analyzed in terms of energy balance, taking the net energy gain of the overall system as the key parameter. An economic study determines the competitiveness of breeding with respect to {sup 3}He lunar mining, already shown to be an attractive route for commercial exploitation. 14 refs., 1 tab.
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