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Coal Hollow by Melanie Light
Coal Hollow by Melanie Light










Coal Hollow by Melanie Light

The question posed is whether the two developments of spherical tokamaks and high-temperature superconductors could lead to more economical fusion power plants and faster development than the current route through ITER and DEMO. High-temperature superconductors are described along with the opportunities they allow for higher magnetic fields at higher current densities and more modest cryogenic temperatures. Their key advantage is high plasma pressure, and the important β parameter indicating the efficiency of the magnetic field use is introduced.

Coal Hollow by Melanie Light

Tokamaks are introduced, and the advantages of spherical tokamaks are listed along with the special engineering challenges that they introduce. Our last fusion power Discussion Meeting was organized by Derek Robinson FRS in 1998, and the progress since then is reviewed. The Lawson triple product is introduced, along with tokamaks, or magnetic bottles, whose ability to approach close to the fusion burn conditions has so far put them above their competitors. The differences from fission power are considered: especially why a Chernobyl, Three Mile Island or Fukushima accident could not happen with a fusion reactor. This introduction reviews the unique opportunity of fusion power to deliver safe, carbon-free, abundant, base-load power.












Coal Hollow by Melanie Light