Simulation study of power load with impurity seeding in advanced divertor "short super-X divertor" for a tokamak reactor

N. Asakura, K. Hoshino, K. Shimizu, K. Shinya, H. Utoh, S. Tokunaga, K. Tobita, N. Ohno

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Abstract A short super-X divertor (SXD) is proposed as an option for the Demo divertor, where the field line length from the divertor null to the outer target was largely increased compared to a similar-size conventional divertor. Physics and engineering design studies for a 3 GW-level fusion power Demo reactor (SlimCS) (Tobita et al., 2009) have recently progressed. Minimal number of the divertor coils were installed inside the toroidal field coil, i.e. interlink-winding. Arrangement of the poloidal field coils and their currents were determined, taking into account of the engineering design such as vacuum vessel and the neutron shield structures, and the divertor maintenance scenario. Divertor plasma simulation showed that significant radiation region is produced between the super-X null and the target. Radiation loss in the divertor was increased, producing fully detached plasmas efficiently. Advantages of the short SXD were demonstrated, but the total peak heat load was a marginal level (10 MW m-2) for the engineering design.

本文言語English
論文番号48929
ページ(範囲)1238-1242
ページ数5
ジャーナルJournal of Nuclear Materials
463
DOI
出版ステータスPublished - 2015 7月 22
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 材料科学(全般)
  • 原子力エネルギーおよび原子力工学

フィンガープリント

「Simulation study of power load with impurity seeding in advanced divertor "short super-X divertor" for a tokamak reactor」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル