Recent Progress in Low-A RFP Plasma Research in RELAX

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概要

• 論文の詳細を見る

• Recent results from a low-aspect-ratio (low-A) reversed field pinch (RFP) machine with an aspect ratio of 2 (R/a = 0.51/0.25) are reported. The discharge characteristics of low-A RFP plasmas are described. The discharge regime in F − Θ space indicates that lowering the aspect ratio expanded the operational F − Θ space to the extremely high-Θ (> 3), deep-reversal (F < −1) region and to the non reversal (F > 0) region. A rotating helical Ohmic equilibrium RFP state could be realized in shallow-reversal discharge on REversed field pinch of Low Aspect eXperiment (RELAX). A preliminary feedback system is developed that results in plasma current with a longer discharge duration of ∼2 ms.

著者

• HIMURA Haruhiko

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• ONCHI Takumi

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• IKEZOE Ryuya

  Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan

• SANPEI Akio

  Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan

• MASAMUNE Sadao

  Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan

• OKI Kensuke

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• SUGIHARA Masaki

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• KONISHI Yuusuke

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• FUJITA Shin-ichi

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• NAKAMURA Mitsuru

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• HIGASHI Akio

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• MOTOI Hidehiko

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• SANPEI Akio

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• MASAMUNE Sadao

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• IKEZOE Ryuya

  Kyoto Institute of Technology, Kyoto 606-8585, Japan

• MASAMUNE Sadao

  Kyoto Institute of Technology

• SANPEI Akio

  Kyoto Institute of Technology

• OKI Kensuke

  Kyoto Institute of Technology

関連論文

• Observation of Simple Helical Structure in Low Aspect Ratio RFP Using Fast Camera
• Density Regimes of Low-Aspect-Ratio RFP Plasmas in RELAX
• Recent Progress in Low-A RFP Plasma Research in RELAX
• Quasi-Periodic Growth of a Single Helical Instability in a Low-Aspect Ratio RFP
• Initial Result of Successive SXR Imaging Measurement in Low-A RFP
• Characterization of Quasi-Single-Helicity States in a Low-Aspect-Ratio RFP
• Design and Initial Result of Time-Resolved Vertical Soft X-Ray Imaging System in Low-A RFP
• Application of Soft X-Ray Imaging System to the STE-2 RFP
• Electron Temperature Measurement by Thomson Scattering in a Low-Aspect-Ratio RFP RELAX
• Initial Results on Simultaneous Confinement of Pure Lithium Ion and Electron Plasmas

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