Kakuyūgō kenkyū
Online ISSN : 1884-9571
Print ISSN : 0451-2375
ISSN-L : 0451-2375
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Volume 24, Issue 4
Displaying 1-4 of 4 articles from this issue
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  • Stationary State of High-β Collisionless Plasma
    Takasi Kurasawa
    1970 Volume 24 Issue 4 Pages 185-200
    Published: 1970
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.24.185
    JOURNAL FREE ACCESS
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    The analyses using the Vlasov equation for the stationary state of a high-β collisionless plasma have been done by many authors1)-6) , weibel1) and Harris2) diecusse the stationary state of a z-pinch plasma, and Pfirsh3), Nicholson4) , Laval, Pellat and Vuillemin5) , and Freidberg and Morse6) discussed that of a linear θ-pinch plasma.
    In this paper, the stationary state of a linear θ-pinch plasma with an axial current is discussed. The assumptions that the plasma is collisionless, axially Symmetric, uniform the axial direction and neutral, are used in the derivation of the equations which describe the stationary state. The several results of the numerical analysis for the equations are figuredin Fig. 7 to Fig. 10. Furthermore, in order to compare the stationnary state having an axial culrrent, with that having no axial current, the several results of the numerical calculation for the stationaly state having no axial current are figured in Fig. 2 to Fig. 6.
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1970 Volume 24 Issue 4 Pages 201-208
    Published: 1970
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.24.201
    JOURNAL FREE ACCESS
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    An equilibrium of plasma current mdltipole configuration is studied in a linear machine, Two plasma current columns are formed in a system bounded by a metal cylinder shaped in a quadrupole-like magnetic field line. These two current cylinders are not in equilibrium, and move towards center due to their own attractive force. This movement can be suppressed an extornal magnetic field produced by a pair of currents flowing in the same direction to the plasma currents.
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  • Properties of, the Toridal Helical Heliotron Field
    Masafumi AZUMI, Akihiro MOHRI
    1970 Volume 24 Issue 4 Pages 209-222
    Published: 1970
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.24.209
    JOURNAL FREE ACCESS
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  • Frequency Shift Due to Non-Linearity in Plasma Oscillation
    Yukio Midzuno
    1970 Volume 24 Issue 4 Pages 223-228
    Published: 1970
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.24.223
    JOURNAL FREE ACCESS
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    Frequency shift of the plasma oscillation due to the finiteness of the amplitude is investigated by the use of the asymptotic method of Bogoliubov and Mitropolsky for a one-dimensional warm electron plasma in the fluid description, The frequency shift vanishes in the limit of cold plasma in accordance with various authors. The shift derived by Sturrock is shown to be a Doppler shift due to the presence of the uniform motion of the plasma, which strayed into his formulation
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