Effects of Impurities and Neutrals on Setting-Up Phase of Reversed Field Pinch

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概要

• 論文の詳細を見る

• Two-dimensional MHD pinch simulation code, "TOPICS", which includesthe effects of the impurity ions, the neutral atoms and anomalous resistivity, hasbeen applied to the investigation of the RFP-plasmas at the setting-up phase ofthe TPE-1 R. Results from the simulatjons are compared with the typical two casesof the experiment : (a) the lower initial bias field and the higher plasma currentdensity and (b) the higher initial bias field and the lower plasma current density.By comparing the simulated and experimental results, it is found that themagnetic field profiles at the early phase of the RFP setting-up strongly depend onthe ionization degree of the initial plasma and the largest increase is obtained byassuming the 50'/, ionization degree and the presence of 10% oxygen. It is alsorouna rrom this stucty that the radiation TOSS aue to s to to Z impurities is thedominant loss mechanism of the electron energy. The toroidal magnetic fieldprofile inside the plasma calculated by using the isotropic anomalous resistivity ismore peaked than that by the classical resistivity.

• 社団法人日本物理学会の論文
• 1981-09-15

著者

• 島田 敏宏

  東京大学大学院理学系研究科

• NAGATA Akiyoshi

  Institute of Plasma Physics,Nagoya University

• Shimada T

  National Institute Of Advanced Industrial Science And Technology (aist)

• OKAMOTO Masao

  Institute of Plasma Physics, Nagoya University

• Ogawa K

  Electrotechnical Laboratory

• HIRANO Yoichi

  National Institute of Advanced Industrial Science and Technology (AIST)

• ASHIDA Hisao

  Electrotechnical Laboratory

• Ogawa Kiyoshi

  Electrotechnical Laboratory

• Hirano Y

  Advanced Device Development Dept. Renesas Technology Corp.

• Ashida Hisao

  Electrotechnical Laboratoryt

• Hirano Y

  Energy Technology Research Institute National Institute Of Advanced Industrial Science And Technolog

• Okamoto Masao

  Institute Of Plasma Physics Nagoya University

• SHIMADA Toshio

  Electrotechnical Laboratory

• Nagata Akiyoshi

  Plasma Engineering Faculty Of Engineering Hiroshima University

• Nagata Akiyoshi

  Institute Of Plasma Physics Nagoya University

• Maejima Yoshiki

  Electrotechnical Laboratory

• HIRANO Yo-ichi

  Electrotechnical Laboratoryt

• MAEJIMA Yoshiki

  Energy Technology Division, Electrotechnical Laboratory

• Maejima Yoshiki

  Energy Technology Division Electrotechnical Laboratory

• Maejima Y

  Energy Technology Division Electrotechnical Laboratory

• Okamoto Masao

  Institute of Plasma Physics,Nagoya University

• Hirano Yoichi

  Energy Technology Research Institute (ETRI), National Institute of Advanced Industrial Science and Technology (AIST)

• OKAMOTO Masao

  Institute of Atomic Energy, Kyoto University

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