1998•Chinese Physics LettersOpen access

Plasma Relaxation in a Reversed Field Pinch Experiment

Q. Li, Luo Cui-wen, Peng Zhang, Jieping Li, Ping Yi, Zhao Chang-lin, Jun Xue

Abstract

The time evolutions for the magnetic energy U m , the magnetic helicity K , and the total helicity K total with high pinch factor operation of reversed field pinch experiments on SWIP-RFP device are quantitatively calculated. It is shown that U m and K increase with increasing plasma current but K total decreases. The results are analyzed and valuable information for the operation is obtained.

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Key concepts: Pinch, Reversed field pinch, Helicity, Plasma, Magnetic field, Physics, Current (fluid), Atomic physics