Effect of Rotational Transform and Magnetic Shear on Confinement of Stellarators

• ASCASÍBAR Enrique

  CIEMAT, Madrid 28040, Spain

• LÓPEZ-BRUNA Daniel

  CIEMAT, Madrid 28040, Spain

• CASTEJÓN Francisco

  CIEMAT, Madrid 28040, Spain

• VARGAS Víctor I.

  CIEMAT, Madrid 28040, Spain

• TRIBALDOS Víctor

  CIEMAT, Madrid 28040, Spain

• MAASSBERG Henning

  Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald 17491, Germany

• BEIDLER Craig D.

  Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald 17491, Germany

• BRAKEL Rudolf

  Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald 17491, Germany

• DINKLAGE Andreas

  Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald 17491, Germany

• GEIGER Joachim

  Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald 17491, Germany

• HARRIS Jeffrey H.

  Oak Ridge National Laboratory, Oak Ridge, TN 37831-6169, USA Australian National University, Canberra ACT 0200, Australia

• KUS Andreas

  Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald 17491, Germany

• MIZUUCHI Tohru

  Kyoto University, Uji 611-0011, Japan

• MURAKAMI Sadayoshi

  Kyoto University, Uji 611-0011, Japan

• OKAMURA Shoichi

  National Institute for Fusion Science, Toki 509-5292, Japan

• PREUSS Roland

  Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald 17491, Germany

• SANO Fumimichi

  Kyoto University, Uji 611-0011, Japan

• STROTH Ulrich

  Institut für Plasmaforschung, Universität Stuttgart, Stuttgart 70569, Germany

• SUZUKI Yasuhiro

  National Institute for Fusion Science, Toki 509-5292, Japan

• TALMADGE Joseph

  University of Wisconsin, Madison, WI 53706-1481, USA

• TURKIN Yuri

  Australian National University, Canberra ACT 0200, Australia

• WATANABE Kiyomasa Y.

  National Institute for Fusion Science, Toki 509-5292, Japan

• YAMADA Hiroshi

  National Institute for Fusion Science, Toki 509-5292, Japan

• YOKOYAMA Masayuki

  National Institute for Fusion Science, Toki 509-5292, Japan

抄録

This work surveys the main results concerning the effects of the rotational transform, its low order rational values and its shear on the confining properties of low shear devices. It is meant to promote further studies aimed at clarifying their role in future, reactor grade, devices. 1-D transport studies are encouraged as the effects of rotational transform on confinement appear to be of local nature. Low order rational values of the rotational transform are associated with both degraded and improved confinement, being the magnetic shear a plausible cause for the difference. Very small shear values are enough to avoid deletereous effects of the low order rationals in high rotational transform discharges, but further experiments are needed to elucidate whether there is a threshold shear that depends on the rotational transform itself.

収録刊行物

• Plasma and Fusion Research

  Plasma and Fusion Research 3 S1004-S1004, 2008

  一般社団法人 プラズマ・核融合学会

キーワード

• stellarator
• heliotron
• rotational transform
• magnetic shear
• confinement

詳細情報

• CRID: 1390282680229962880
• NII論文ID: 130000263949
• DOI: 10.1585/pfr.3.s1004
• ISSN: 18806821
• Web Site: http://www.jstage.jst.go.jp/article/pfr/3/0/3_0_S1004/_pdf
• 本文言語コード: en
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可