One-Dimensional Time Dependent Analysis of the Detachment Front in a Divertor Plasma: Roles of the Cross-Field Transport

• NAKAMURA Makoto

  Department of Advanced Energy, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8561, Japan

• TOGO Satoshi

  Department of Advanced Energy, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8561, Japan

• ITO Masanori

  Department of Advanced Energy, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8561, Japan

• OGAWA Yuichi

  Department of Advanced Energy, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8561, Japan

Abstract

Results of one-dimensional time dependent analysis of a detachment front in a PDD plasma are reported. Effects of the cross-field particle and energy trasport in a divertor region on a partially detached plasma are particularly discussed. It was found that such transport effects in the divertor region can prevent the detachment fronts from moving upstream, and that the position of the detachment front in a steady state is thermally unstable against the neutral density in the divertor region.

Journal

• Plasma and Fusion Research

  Plasma and Fusion Research 6 2403098-2403098, 2011

  The Japan Society of Plasma Science and Nuclear Fusion Research

Keywords

• divertor detachment
• detachment front
• thermal stability
• cross-field transport
• one-dimensional model

Details

• CRID: 1390282680229361536
• NII Article ID: 130002059559
• DOI: 10.1585/pfr.6.2403098
• ISSN: 18806821
• Text Lang: en
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed