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首页> 外文期刊>Plasma physics and controlled fusion >Operational region and sawteeth oscillation in the EAST tokamak
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Operational region and sawteeth oscillation in the EAST tokamak

机译：东德托卡马克的工作区和锯齿波振荡

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摘要

The first plasma discharges were successfully achieved on the experimental advanced superconducting tokamak ( EAST) in 2006. The sawteeth behaviours were observed by means of soft x-ray diagnostics and ECE signals in the EAST. The displacement and radius of the q = 1 surface was studied and compared with the result of equilibrium calculation. The density sawtooth oscillation was also observed by the HCN laser interferometer diagnostics. The structure of the EAST operational region was studied in detail. Plasma performance was obviously improved by the boronization and wall conditioning. It was observed that lower q(a) and a wider stable operating region is extended by the GDC boronization.
机译：2006年，在先进的实验超导托卡马克（EAST）上成功实现了首次等离子体放电。通过软X射线诊断和EAST中的ECE信号观察了锯齿行为。研究了q = 1曲面的位移和半径，并将其与平衡计算的结果进行了比较。 HCN激光干涉仪诊断程序还可以观察到密度锯齿形振荡。对EAST操作区域的结构进行了详细研究。硼化和壁处理可以明显改善等离子性能。观察到，较低的q（a）和较宽的稳定工作区域通过GDC硼化作用得以扩展。

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