| 摘要 |
<p>An efficient compact nuclear fusion reactor, preferably a spherical tokamak, for use as a neutron source or energy source is described. The reactor comprises a toroidal plasma chamber and a plasma confinement system arranged to generate a magnetic field for confining a plasma in the chamber. The plasma confinement system is configured so that a major radius of the confined plasma is 1.5 m or less and the aspect ratio is 2.5 or less. The toroidal magnetic field is operated 5T or less and the plasma current is 5 MA or less. Despite this, the fraction of alpha-particles generated in the reactor which are confined within the plasma is 0.4 or greater. The plasma confinement system may also include toroidal field magnets formed from high-temperature superconducting (HTS) material.</p> |
