Title: Trapping condition of particles in low-aspect ratio tokamaks
Abstract: The motion of particles in a low aspect ratio tokamak was investigated using the drift approximation, with a standard model for the magnetic field and the assumption of the order of aspect ratio. The equations were developed for the motion of a single particle in a low aspect ratio tokamak. The criterion for the orbit types in large aspect ratio tokamaks was extended. The corresponding criterion in low aspect ratio tokamaks was derived and the fraction of trapped particles was found to be higher than in large aspect ratio tokamaks.
Publication Year: 2000
Publication Date: 2000-01-01
Language: en
Type: article
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