Development of a compact torus injector system for central fuelling technology of EAST

摘要

In this paper, a compact torus (CT) injector system is designed for experimental advanced superconducting tokamak (EAST). The injector system consists of a coaxial electrode and four pulsed power systems and generates self-organized CT with high density and velocity. In addition, the performance of EAST-CTI is evaluated using a series of diagnostics systems. The experimental results show that the velocity, electron density, and number of particles of the CT are 56.0 km/s, 8.73 x 10(20)m(-3), and 2.4 x 10(18), respectively. The detailed description and experimental results are presented in this paper.

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