Kakuyūgō kenkyū
Online ISSN : 1884-9571
Print ISSN : 0451-2375
ISSN-L : 0451-2375
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Volume 13, Issue 6
Displaying 1-4 of 4 articles from this issue
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  • Microwave Reflection by Plasma With Density Gradient
    Takashige Tsukishima
    1964 Volume 13 Issue 6 Pages 541-548
    Published: 1964
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.13.541
    JOURNAL FREE ACCESS
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    In order to extend the applicability of the microwave reflection method for measuring electron densities which are higher than critical, reflections by a boundary layer with density gradient and also by an inhomogeneaus plasma are examined. Approximate expressions for reflection coefficient are derived for the respective cases.
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  • Fine Structure near Cyclotron Harmonic Radiation
    S. Ishii, S. Hagiwara, S. Kojima
    1964 Volume 13 Issue 6 Pages 550-560
    Published: 1964
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.13.550
    JOURNAL FREE ACCESS
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    The fine structure near electron harmonic resonances was observed in the radiation from a magnetoplasma. It is explaine by takin account of electron temperature and spatial distribution of electron density. The explanation is based upon Bernstein's dispersion relation modified by employing a distribution function. The mechanism of the fine structure is the same as one Buchsbaum, Hasegawa mentioned.
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  • An axisymmetric Heliotron magnetic field and its Stability.
    Shigenori Hayashi, Hiroshi Oshiyama
    1964 Volume 13 Issue 6 Pages 561-576
    Published: 1964
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.13.561
    JOURNAL FREE ACCESS
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    The stability of a hydromagnetic fluid in static equilibrium can be determined oy an energy principle formalism which was investigated V 1. B. Bernsten et. al. The present purpose is to apply this method to a plasma in an axisymmetric Heliotron magnetic field.
    In the case which a plasma pressure p is much less than a magntic pressure, the stability condition for the flute type instability due to theξφ=f (θ) /rBperturbation is given as follows;δw (ψ) =∫dX∂/∂ψ (1/B2) [γPB2∂/δψ (1/B2) +∂P/∂ψ] >0.
    The marginal equilibrum pressure which satisfy the above condition takesp=β (B2O/2μ) (B/BO) 2γ under the neutral lines of Heliotron field.
    Firstly, in chapter 2, the analysis of Heliotron magnetic field produced by the sheet current are studyed. Next in chapter 3, the flute type instability is discussed.
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  • Note on Sheath Formation
    [in Japanese]
    1964 Volume 13 Issue 6 Pages 578-579
    Published: 1964
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.13.578
    JOURNAL FREE ACCESS
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