Imperfections in the magnetic confinement lead to large scale disruptions in the plasma, loss of confinement and serious damage to the reactor. Recently, new high-temperature superconducting materials such as yttrium-barium-coper oxides are promising to make magnetic confinement more feasible.Ĭhallenges: Tokamaks require extremely strong magnets in the 3 to 20 Tesla range which also require high tolerances. Despite being proposed in 1985, ITER is not projected to be operational until 2035. History: More than 200 tokamaks have been built since the 1960’s, the largest and most ambitious of which is the ~$25 Billion ITER project still being constructed in southern France. The word “tokamak” is a Russian acronym for “toroidal chamber with axial magnetic field”. In a Tokamak, powerful electromagnetic fields combine with electrical current flowing directly through the plasma to heat and confine the toroidal plasma. High-Level Concept: The most famous embodiment of an MCF device is a tokamak.
0 kommentar(er)
