Kakuyūgō kenkyū
Online ISSN : 1884-9571
Print ISSN : 0451-2375
ISSN-L : 0451-2375
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Volume 49, Issue 5
Displaying 1-2 of 2 articles from this issue
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  • Non-Inductive Current Drive in Tokamak
    Shigetoshi Tanaka
    1983 Volume 49 Issue 5 Pages 445-479
    Published: 1983
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.49.445
    JOURNAL FREE ACCESS
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    Recently, much attention has been paid to the non-inductive current drive methods, in connection with the possibility of steady-state tokamaks. In this paper, several theories of the current drive are reviewed and their efficiencies are discussed and compared with each other. Recent experimental results are also summaried. Finally application of these methods to future tokamak reactors are discussed.
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  • Ion Beam Neutralization by Supersonic Gas Jets
    Takefumi IKUI, Masanori AKAZAKI, Mitsuharu MASUDA, Hidenobu YANO, Koji ...
    1983 Volume 49 Issue 5 Pages 481-488
    Published: 1983
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.49.481
    JOURNAL FREE ACCESS
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    The method to neutralize high energy ion beams by a supersonic gas jet has been examined to solve the pumping problem of neutral beam injectors. The performance of this gas jet cell has been estimated, and it has been shown that the jet cell could reduce the pumping speed by about 50 %. The flow field structure of a two-dimensional supersonic jet has also been obtained experimentally by using the low density wind tunnel, and the neutralizing process of fast ions in the jet has been clarified.
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