Concept for a Double Cusp Fusion Reactor with the Adiabatic RF Plugging

概要

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The adiabatic rf plugging scheme is proved to be efficient enough when it is applied to a cusp system, and a possible prototype of a fusion reactor is sketched. The proposed system is composed of two cylindrically symmetric cusp geometries and a long central section, of about 100m, connecting them. In the line and the point cusp regions an rf field with the frequency of the order of the ion cyclotron frequency is applied to suppress the end loss. In contrast with the conventional mirrors, the confinement mechanism is independent of ion collisions, so that a moderate plasma temperature, for instance 20 KeV, is allowed, and also the confinement time is proportional to the system length. This scheme has a high purity advantage over the toroidal systems. The frequency of the rf field is properly set so that the rf barrier reflects only deuterons and tritons and is insensitive to heavy impurity ions in the low ionization stage.
核融合科学研究所の論文
1974-06-00