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The extrapolation of experimental laws describing the energy confinement and magneto-hydrodynamic stability limits in the current large tokamaks shows that stable equilibrium for thermonuclear ignition must exist in this type of configuration if the product a x B(x,t) of the dimensions and the strength of the magnetic field is sufficiently large. The quantitative application of this result to several projects of the next generation of tokamaks indicates that similar equilibria must exist in these machines which can moreover support additional heating sufficiently powerful for ignition to be effectively attainable.

Additional information

Authors: JOHNER J, CEA, Département de Recherches sur la Fusion Contrôlée, CEN/Cadarache, Saint-Paul-lez-Durance (FR)
Bibliographic Reference: Report: EUR-CEA-FC-1364 FR (1989)
Availability: Available from CEA, Département de Recherches sur la Fusion Contrôlée, Saint-Paul-lez-Durance (FR)
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