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2001 Fiscal Year Final Research Report Summary

Formation and stability of electromagnetic volticies in high-beta plasmas

Research Project

Project/Area Number 09480087
Research Category

Grant-in-Aid for Scientific Research (B).

Allocation TypeSingle-year Grants
Section一般
Research Field プラズマ理工学
Research InstitutionTohoku University

Principal Investigator

INUTAKE Masaaki  Tohoku University, Graduate School of Engineering, Professor, 大学院・工学研究科, 教授 (90023738)

Co-Investigator(Kenkyū-buntansha) HATTORI Kunihiko  Tohoku University, Graduate School of Engineering, Associate Researcher, 大学院・工学研究科, 助手 (90261578)
ANDO Akira  Tohoku University, Graduate School of Engineering, Associate Professor, 大学院・工学研究科, 助教授 (90182998)
Project Period (FY) 1997 – 1999
KeywordsElectromagnetic volticies / Shear Alfven wave / Helicity antenna / Integrated chip inductor / Micromagnetic probe / HITOP / MHD
Research Abstract

(1) Development of new micro-chip magnetic probes
In order to detect a precise magnetic structure in a high density plasma, we have developed a new micro-magnetic-probe using a integrated micro-chip inductor. These chips were calibrated by oscillating magnetic field and showed a good reproducibility.
(2) Excitation of Alfven waves by a helicity antenna
A helicity antenna, which consisted of a loop coil and Rogowski coil, was newly developed to excite a compressional and shear Alfven waves.
We have examined to excite a large amplitude m=0 shear Alfven wave by a combination of the loop and Rogowski coil currents. A m=0 shear Alfven wave was excited in a magnetic field configuration including a separatrix structure. It was found that the amplitude of the waves increased inside of the separatrix. Spatial profiles and temporal evolutions were measured by a multi-channel micro magnetic probe array.

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] M.Inutake: "Flow Characteristics in the HITOP (High-density Tohoku Plasma) Device for MHD Studies"Proc. Int. Workshop on Plasma Experiments in Laboratory and Space (IPELS 97). 1. 75-75 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Ando: "Magnetic Channel Flow of High Density Plasmas in the HITOP Device"Proc. Int. Conf. on Plasma Physics. 1. 51-54 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Inutake: "Supersonic Plasma Flow in a Magnetic Nozzle"Proc. 26th Int. Electric Propulsion Conf.. 2. 1010-1016 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Ando: "Mach-probe Characteristics in a Magnetized Plasma Flow"Proc. 26th Int. Electric Propulsion Conf.. 2. 1040-1045 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Ando: "Spectroscopic Measurements of a Plasma Flow Velocity and Temperature near the Muzzle of an Axially-Magnetized MPD Accelerator"Proc. 22th Int. Symp. on Space Tech. and Science. B-20. 1-6 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.Hattori: "Characteristics of a Supersonic Plasma Flow passing through a Magnetic Laval Nozzle"Proc. 22th Int. Symp. on Space Tech. and Science. B-38. 1-6 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Imasaki: "Macroscopic Stability of a Supersonic Plasma Flow in a Divergent Magnetic Mirror"Transactions of Fusion Technology, (Proc. Int. Conf. on Open Magnetic System for Plasma Confinement). 39. 324-327 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Inutake, A.Ando, K.Hattori, K.Ikeda, H.Kobayashi, T.Suzuki, M.Yoshinuma, H.Kikuya: ""Flow Characteristics in the HITOP (High-density Tohoku Plasma) Device for MHD Studies""Proc. Int. Workshop on Plasma Experiments in Laboratory and Space (IPELS 97). 1. 75-75 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A.Ando, K.Hattori, A.Imasaki, M.Yoshinuma, T.Imai, H.Imano, K.Sato, H.Tanimoto, M.Inutake: ""Magnetic Channel Flow of High Density Plasmas in the HITOP Device""Proc. Int. Conf. on Plasma Physics, Praha. 1. 51-54 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Inutake, K.Hattori, A.Ando, F.Hori, T.Sugimura, K.Fukushi, T.Ochiai, M.Yamamoto, T.Yagai, A.Imasaki, M.Yoshinuma: ""Supersonic Plasma Flow in a Magnetic Nozzle""Proc. 26th Int. Electric Propulsion Conf.. IEPC99-175. Vol.2. 1010-1016 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A.Ando, K.Hattori, M.Inutake, T.Sugimura, F.Hori, K.Fukushi, T.Ochiai, M.Yamamoto, T.Yagai, A.Imasaki, M.Yoshinuma: ""Mach-probe Characteristics in a Magnetized Plasma Flow""Proc. 26th Int. Electric Propulsion Conf.. IEPC99-180, Vol.2. 1040-1045 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A.Ando, M.Inutake, K.Hattori, M.Yamamoto, M.Ashino, T.Yagai, A.Imasaki, M.Yoshinuma: ""Spectroscopic Measurements of a Plasma Flow Velocity and Temperature near the Muzzle of an Axially-Magnetized MPD Accelerator""Proc. 22th Int. Symp. on Space Tech. and Science, ISTS. 2000-b-20. 1-6 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Hattori, M.Inutake, A.Ando, K.Tsuchiya, F.Murakami, T.Yagai, A.Imasaki, M.Yoshinuma: ""Characteristics of a Supersonic Plasma Flow passing through a Magnetic Laval Nozzle""Proc. 22th Int. Symp. on Space Tech. and Science, ISTS. 2000-b-38p. 1-6 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A.Imasaki, T.Yagai, H.Tobari, F.Murakami, M.Ashino, M.Yoshinuma, K.Hattori, A.Ando, M.Inutake: ""Macroscopic Stability of a Supersonic Plasma Flow in a Divergent Magnetic Mirror""Transactions of Fusion Technology, (Proc. Int. Conf. on Open Magnetic System for Plasma Confinement). 39. 324-327 (2001)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2003-09-17  

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