低アスペクト比トーラスプラズマ実験装置の試作

概要

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A new experimental device, LATE(Low Aspect ratio Torus Experiment), has been constructed to investigate the basic physical mechanism of production, heating and current drive in the low aspect ratio torus plasmas, and some preliminary results have been obtained. The plasma is produced and maintained by RF power at the electron cyclotron range of frequency. The electron density higher than the twice of the cutoff density for 2.45 GHz is achieved when the microwave power of 1.3 kW is injected, Superimposing the vertical magnetic field, toroidal plasma current up to 300 A is produced without ohmic heating, and the magnetic flux measurement suggests that closed magnetic surefaces are produced. Additional heating at the second harmonic of the electron cyclotron resonance is preparing.
社団法人プラズマ・核融合学会の論文
2000-06-25