Simulation Study on Sloshing Ion Formation and Sustainment of Associated Potential Dip in a Plug Cell of GAMMA 6

Hoshino, Motonobu; Tamai, Hiroshi; Yatsu, K.; Katanuma, I.; Sawada, K.; Miyoshi, S.

doi:10.1143/jjap.23.230

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Gamma 6 Experiments1

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1984

1985

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Cited by 3 publications

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“…By using Langmuir and emissive probes, a dip in the plasma potential was observed in the region of minimum density of the sloshing ions. This result supports the concept of creating a thermal barrier on the basis of a sloshing-ion distribution [7][8][9]. will be suppressed.…”

Section: Gamma 6 Experimentssupporting

confidence: 83%

Contribution on tandem mirrors at the University of Tsukuba (GAMMA 6 and GAMMA 10)

Miyoshi¹

1985

Nucl. Fusion

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A survey is given of the experimental tandem mirror results obtained at the University of Tsukuba since 1978. The first tandem mirror, GAMMA 6, demonstrated the tandem mirror potential configuration and the validity of the Pastukhov confinement scaling law. GAMMA 10 demonstrated the plug/thermal-barrier potential distribution in axisymmetric end mirrors. The Pastukhov scaling for axial confinement was confirmed and improved radial confinement was observed, indicating the benefit of an axisymmetrized magnetic-field configuration.

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Section: Gamma 6 Experimentssupporting

confidence: 83%

Contribution on tandem mirrors at the University of Tsukuba (GAMMA 6 and GAMMA 10)

Miyoshi¹

1985

Nucl. Fusion

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High-Speed III-V Semiconductor Devices

Semiconductor Physical Electronics

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Study of the Sloshing Ion Formation in a Minimum B Mirror Field

Tamai

Hoshino

Yatsu

et al. 1984

Jpn. J. Appl. Phys.

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As a step towards the creation of a thermal barrier in a tandem mirror, formation of sloshing ion distribution is studied by oblique injection of neutral beams into one of the minimum B mirrors of GAMMA 6. Formation of the sloshing ion distribution is verified from the observations of the pitch angle distribution. The distribution is kept in a quasi-steady state, against relaxation of sloshing ions, to form a broad distribution. Potential dip is also observed in association with the sloshing ion distribution. The potential dip is sustained because the density of cold ions trapped in the dip is small.

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Simulation Study on Sloshing Ion Formation and Sustainment of Associated Potential Dip in a Plug Cell of GAMMA 6

Cited by 3 publications

References 8 publications

Contribution on tandem mirrors at the University of Tsukuba (GAMMA 6 and GAMMA 10)

Contribution on tandem mirrors at the University of Tsukuba (GAMMA 6 and GAMMA 10)

High-Speed III-V Semiconductor Devices

Study of the Sloshing Ion Formation in a Minimum B Mirror Field

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