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首页> 外文期刊>Physics of plasmas >Experimental investigation and SOLPS-ITER modeling of Ne-seeded radiative divertor H-modes plasma on EAST
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Experimental investigation and SOLPS-ITER modeling of Ne-seeded radiative divertor H-modes plasma on EAST

机译：基于Ed的Ne-Shioned辐射转子H样式等离子体的实验研究和Solps-Iter建模

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摘要

Both experimental modeling and numerical modeling were carried out on Experimental Advanced Superconductive Tokamak (EAST) to study the radiative divertor plasma behavior with neon (Ne) seeding. Steady H-mode radiation feedback control regimes (f(rad) similar to 18%-36%) were achieved by synergistic working of a divertor puff and supersonic molecular beam injection with Ne in the 2017 EAST campaign. Ne seeding effectively promoted divertor detachment while only causing a slight loss to the plasma stored energy in the experiment. To better understand the experimental result, analysis of the detachment process is introduced in this work. Two time slices namely before and after Ne seeding during the radiative divertor experiment in Shot #71021 were simulated by Scrape Off Layer Plasma Simulator (SOLPS)-ITER code. The simulation results for upstream plasma agreed well with the experiment, and the divertor profile agreed well on the outer targets when ignoring drifts. Radiation distribution was also calculated by SOLPS-ITER, showing that there was a high radiation region near the X-point, which is consistent with the experimental measurements. Published under license by AIP Publishing.
机译：实验建模和数值建模均在实验先进的超导托卡马克（东部）进行，以研究霓虹（NE）播种的辐射偏移等离子体行为。通过在2017年东部运动中的NE与NE与NE与NE的协同作用的协同工作，实现了稳定的H模式辐射反馈控制制度（F（rad），实现了Defertor Puff和超音速分子束注射的协同作用。 NE播种有效地促进了偏移器脱离，同时仅导致实验中的等离子体储存能量略有损失。为了更好地理解实验结果，在这项工作中介绍了对分离过程的分析。通过刮除层等离子体模拟器（Solps）代码，模拟了在射击＃71021中的辐射偏移器实验期间和在NE播种之前和之后的两个时间切片。上游等离子体的仿真结果与实验良好均匀，并且在忽略漂移时，偏转器型材很好地吻合了外目标。辐射分布也通过Solps-inter计算，表明X点附近存在高辐射区域，这与实验测量一致。通过AIP发布在许可证下发布。

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  • 来源
    《Physics of plasmas》 |2019年第5期|共8页
  • 作者

    Chen Jingbo; Yang Zhongshi; Coster David; Li Kedong; Wu Kai; Duan Yanmin; Wang Liang; Xu Jichan; Chen Xiahua; Ding Fang; Zang Qing; Wang Yumin; Wu Jinhua; Luo Guang-Nan;

  • 作者单位

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Max Planck Inst Plasma Phys D-85748 Garching Germany;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Plasma Phys Hefei 230031 Anhui Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 等离子体物理学;
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