Kakuyūgō kenkyū
Online ISSN : 1884-9571
Print ISSN : 0451-2375
ISSN-L : 0451-2375
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Volume 56, Issue 5
Displaying 1-3 of 3 articles from this issue
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  • Physics of Boundary Plasmas
    Takaichi Kawamura
    1986 Volume 56 Issue 5 Pages 305-317
    Published: November 20, 1986
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.56.305
    JOURNAL FREE ACCESS
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    An introductory review on the physics of a boundary plasma is presented. As an example the nature of the boundary plasma in a tokamak is explained referring to fuel particle recycling, and the formation and structure of a scrape-off layer produced by a solid limiter or a magnetic separatrix are analysed. The characteristics on physical processes in the boundary plasma, that is, atomic processes, sheath formation etc, are reviewed.
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  • Tritium Technology and Fusion Reactor Fuel Cycle
    Satoru Tanaka
    1986 Volume 56 Issue 5 Pages 318-340
    Published: November 20, 1986
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.56.318
    JOURNAL FREE ACCESS
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    Fuel cycle and tritium technology of fusion reactor are stated. Processing of plasma exhaust gas and tritium recovery from blanket are the two main fuel flows and their recent developments are explained. For self-sustaining of fuel cycle, high efficiency is essential in separation and recovery of tritium. Importance of tritium safe containment is also stressed.
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  • Summary of Very Low-q Discharges in TORIUT Tokamaks
    H. Yamada, S. Hamaguchi, K. Hattori, Y. Kamada, M. Kikuchi, J. Morikaw ...
    1986 Volume 56 Issue 5 Pages 341-354
    Published: November 20, 1986
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.56.341
    JOURNAL FREE ACCESS
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    Three different schemes to realize a very low-qdischarge (qa< 2) have been demonstrated in the TORIUT tokamaks. They are (1) fast current-rise method, (2) application of the ergodization effect of non-resonant helical field, and (3) high filling-pressure operation. Each method has been proved to be independently effective to suppress the major disruption caused by the (m=2, n=1) tearing mode during the current rising-up phase and provides a path into the very low-qregime through the barrier atqa=2.
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