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Highly resolved measurements of dust motion in the sheath boundary of magnetized plasmas

机译:高分辨率测量磁化等离子体鞘层边界中的粉尘运动

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摘要

Dust trajectories have been recorded with an unprecedented, under fusion-relevant plasma conditions, spatial resolution of 9 μm/pixel in Pilot-PSI. The optical setup allowed the use of fast cameras as a basic microscope. It is demonstrated that such a resolution is essential for the correct interpretation of experiments on several aspects of dust-surface interactions. Highly resolved tungsten dust dynamics measurements are presented from dedicated experiments on dust collisions with plasma facing components, motion in the vicinity of castellated samples and remobilization from planar samples.
机译:在Pilot-PSI中,在与熔融相关的等离子体条件下,尘埃轨迹的记录分辨率达到了前所未有的9μm/像素。光学设置允许将快速相机用作基本显微镜。事实证明,这样的分辨率对于正确解释尘埃表面相互作用的几个方面的实验至关重要。高分辨率钨粉尘动力学测量是通过专门的实验进行的,这些实验涉及与等离子体组件面对的粉尘碰撞,齿形样品附近的运动以及平面样品的迁移。

著录项

  • 来源
    《Nuclear fusion》 |2015年第11期|112001.1-112001.5|共5页
  • 作者单位

    Universite de Lorraine, Institut Jean Lamour, UMR 7198 CNRS, F-54506 Vandoeuvre-les-Nancy, France ,IGVP, Universitaet Stuttgart, Pfaffenwaldring 31,70569 Stuttgart, Germany;

    Universite de Lorraine, Institut Jean Lamour, UMR 7198 CNRS, F-54506 Vandoeuvre-les-Nancy, France;

    KTH Royal Institute of Technology, Association EUROfusion-VR, 114 28 Stockholm, Sweden;

    KTH Royal Institute of Technology, Association EUROfusion-VR, 114 28 Stockholm, Sweden;

    Istituto di Fisica del Plasma: Consiglio Nazionale delle Ricerche, 20125 Milan, Italy;

    KTH Royal Institute of Technology, Association EUROfusion-VR, 114 28 Stockholm, Sweden;

    KTH Royal Institute of Technology, Association EUROfusion-VR, 114 28 Stockholm, Sweden;

    FOM Institute DIFFER: Dutch Institute for Fundamental Energy Research, Partner in the Trilateral Euregio Cluster, 5612 AJ Eindhoven, The Netherlands;

    FOM Institute DIFFER: Dutch Institute for Fundamental Energy Research, Partner in the Trilateral Euregio Cluster, 5612 AJ Eindhoven, The Netherlands;

    FOM Institute DIFFER: Dutch Institute for Fundamental Energy Research, Partner in the Trilateral Euregio Cluster, 5612 AJ Eindhoven, The Netherlands;

    ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St Paul Lez Durance Cedex, France;

  • 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

    dust dynamics; sheath; dust impacts; castellations; dust remobilization; fast imaging;

    机译:灰尘动力学鞘;灰尘影响;城堡除尘;快速成像;

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