Ion Kinetic Relaxation of Two Merging Spheromaks to an FRC

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概要

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• The ion kinetic effect on the relaxation of merging spheromaks to a field-reversed configuration (FRC) was studied experimentally using varied S* (the ratio of the minor radius to the ion skin depth) from 0.5 to 10. The merging spheromaks relax to an FRC (λp ˜ 0) or to another spheromak (λp ˜ λTaylor), depending on whether their initial poloidal eigen value λp was smaller or larger than the threshold value λ0. The varied skin depths of several ion species in the up-scaled experiment revealed that the threshold value λ0 for the relaxation to an FRC increased inversely with the S* value. The decrease in S* promoted the relaxation to an FRC, annihilating the magnetic helicity, in sharp contrast with the conventional Taylor relaxation.

• プラズマ・核融合学会の論文
• 2003-11-25

著者

• Kawamori Eiichirou

  High Temperature Plasma Center University Of Tokyo

• ONO Yasushi

  High Temperature Plasma Center, University of Tokyo

• Ono Yasushi

  High Temperature Plasma Center University Of Tokyo

関連論文

• Ion Kinetic Relaxation of Two Merging Spheromaks to an FRC
• FRC Formation Process of Two Colliding Spheromaks with Counterhelicity
• High-power heating of spherical tori by use of magnetic reconnection
• Development of 2-D Thomson Scattering Measurement Using Multiple Reflection and the Time-of-Flight of Laser Light
• Development of a Two-Dimensional Thomson Scattering Diagnostic System involving Use of Multiple Reflection and the Time-of-Flight of Laser Light

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