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Recent progress of NSTX lithium program and opportunities for magnetic fusion research

机译:NSTX锂计划的最新进展以及磁聚变研究的机会

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摘要

Lithium wall coating techniques have been experimentally explored on National Spherical Torus Experiment (NSTX) for the last six years. The lithium experimentation on NSTX started with a few milligrams of lithium injected into the plasma as pellets and it has evolved to a dual lithium evaporation system which can evaporate up to ~160 g of lithium onto the lower divertor plates between re-loadings. The unique feature of the NSTX lithium research program is that it can investigate the effects of lithium coated plasma-facing components in H-mode divertor plasmas. This lithium evaporation system has produced many intriguing and potentially important results. In 2010, the NSTX lithium program has focused on the effects of liquid lithium divertor (LLD) surfaces including the divertor heat load, deuterium pumping, impurity control, electron thermal confinement, H-mode pedestal physics, and enhanced plasma performance. To fill the LLD with lithium, 1300 g of lithium was evaporated into the NSTX vacuum vessel during the 2010 operations. The routine use of lithium in 2010 has significantly improved the plasma shot availability resulting in a record number of plasma shots in any given year. In this paper, as a follow-on paper from the 1st lithium symposium [1], we review the recent progress toward developing fundamental understanding of the NSTX lithium experimental observations as well as the opportunities and associated R&D required for use of lithium in future magnetic fusion facilities including ITER.
机译:过去六年来,在国家球形圆环实验(NSTX)上对锂壁涂层技术进行了实验研究。在NSTX上进行锂实验的开始是将几毫克锂以小球形式注入到等离子体中,现已发展为双锂蒸发系统,该系统可以在重装之间将高达约160 g的锂蒸发到下部分流板上。 NSTX锂研究程序的独特之处在于它可以研究H型偏滤器等离子体中涂有锂的面向等离子体的组件的影响。这种锂蒸发系统产生了许多有趣且潜在的重要结果。 2010年,NSTX锂计划重点关注液态锂分流器(LLD)表面的影响,包括分流器热负荷,氘泵,杂质控制,电子热约束,H型基座物理和增强的等离子体性能。为了用锂填充LLD,在2010年操作期间,将1300 g锂蒸发到NSTX真空容器中。 2010年锂的常规使用显着改善了等离子发射的可用性,从而在任何一年中都创下了创纪录的等离子发射数量。在本文中,作为第一届锂研讨会的后续论文,我们回顾了在发展对NSTX锂实验观察的基本理解以及在未来的磁学领域中使用锂所需的机会和相关研发方面的最新进展。包括ITER在内的融合设施。

著录项

  • 来源
    《Fusion Engineering and Design》 |2012年第10期|p.1770-1776|共7页
  • 作者单位

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Oak Ridge National Laboratory. PO Box 2008. Oak Ridge, TN 37831, USA;

    Purdue University, West Lafayette, IN 47907, USA;

    Purdue University, West Lafayette, IN 47907, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Oak Ridge National Laboratory. PO Box 2008. Oak Ridge, TN 37831, USA;

    Academy of Science Institute of Plasma Physics, Hefei, China;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Oak Ridge National Laboratory. PO Box 2008. Oak Ridge, TN 37831, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Oak Ridge National Laboratory. PO Box 2008. Oak Ridge, TN 37831, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Oak Ridge National Laboratory. PO Box 2008. Oak Ridge, TN 37831, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    University of Washington at Seattle. Seattle. WA 98195. USA;

    Sandia National Laboratory, Albuquerque. NM 87185, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    University of Washington at Seattle. Seattle. WA 98195. USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Oak Ridge National Laboratory. PO Box 2008. Oak Ridge, TN 37831, USA;

    Columbia University. New York, NY 10027. USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Lawrence Livermore National Laboratory, Livermore, CA 94551, USA;

    Center for Plasma-Materials Interactions. University of Illinois, Urbana-Champaign, IL, USA;

    Purdue University, West Lafayette, IN 47907, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

    Princeton Plasma Physics Laboratory. PO Box 451. Princeton, NJ 08543, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    international lithium symposium; tokamaks and spherical tokamaks; lithium; plasma-wall interactions;

    机译:国际锂专题讨论会;托卡马克和球形托卡马克;锂;等离子体-壁相互作用;
  • 入库时间 2022-08-18 00:39:16

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