Kakuyūgō kenkyū
Online ISSN : 1884-9571
Print ISSN : 0451-2375
ISSN-L : 0451-2375
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Volume 59, Issue 3
Displaying 1-4 of 4 articles from this issue
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  • Nonlinear Dynamical Behaviors of Plasmas
    The Hasegawa-Mima Equation and Related Problems
    Tosiya Taniuti
    1988 Volume 59 Issue 3 Pages 147-161
    Published: March 20, 1988
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.59.147
    JOURNAL FREE ACCESS
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    The present paper is a review of theoretical studies of nonliner dynamical behaviors of the low-β plasma with emphasis on the Hasegawa-Mima equation and related problems.
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  • Solid Hydrogen Pellet Injection in High Temperature Plasmas
    Satoshi Kasai
    1988 Volume 59 Issue 3 Pages 162-181
    Published: March 20, 1988
    Released on J-STAGE: August 16, 2011
    DOIhttps://doi.org/10.1585/jspf1958.59.162
    JOURNAL FREE ACCESS
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    Recent topics of the solid hydrogen pellet injection in high temperature plasmas are reviewed in concern with the energy and particle confinements, transport MHD activity and temperature and density fluctuations. The solid hydrogen pellet injector and the application of the pellet injection to the plasma diagnostics are also surveyed.
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  • Current-Driven Stability of Non-Circular Plasma
    Shinsaku Kajita
    1988 Volume 59 Issue 3 Pages 182-193
    Published: March 20, 1988
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.59.182
    JOURNAL FREE ACCESS
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    The magnetohydrodynamic stability of a rectangular plasma with rigid wall is investigated. Rigorous equations by ordering is given for a low-β plasma. Stability conditions are obtained by using linearized and expanded eigenfunctions.
    Sinusoidally distributed current, q value and stability diagram in q and elongation domain are shown.
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  • Parametric Studies about Vertical Position Control of the INTOR Elongated Plasma
    Koju Ueda, Satoshi Nishio, Masayoshi Sugihara, Noboru Fujisawa
    1988 Volume 59 Issue 3 Pages 194-210
    Published: March 20, 1988
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.59.194
    JOURNAL FREE ACCESS
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    Considering only the most dominant of many eddy current modes induced in a fusion reactor, the authors estimated the shell effect required for suppression of the axisymmetric vertical positional instability of an elongated plasma. Here more accurate analysis involving higher eddy current modes is used. Also using this analysis, dependence of the shell effect and the plasma control characteristics upon the reactor structure is investigated. The parameters under consideration are shell shapes, number of the shells around the torus, and thickness of the shell structures for the shell effect. The delay time on a vertical position detection for the plasma, and the dead time of a power supply for the control coils are chosen as parameters for the feedback control system of the plasma position, too. Moreover, field penetration on the vertical position control into the plasma center is studied in order to show the appropriateness for the results in this paper.
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