Kakuyūgō kenkyū
Online ISSN : 1884-9571
Print ISSN : 0451-2375
ISSN-L : 0451-2375
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Volume 25, Issue 2
Displaying 1-4 of 4 articles from this issue
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  • [title in Japanese]
    Atsuo Iiyoshi, Junji Fujita, Susum Sakakibara, Nobuyuki Inoue, C. Lelo ...
    1970 Volume 25 Issue 2 Pages 61-72
    Published: 1970
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.25.61
    JOURNAL FREE ACCESS
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    Experiments on plasma heating due to large amplitude ion cyclotro waves are excited by means of a low inductunce condenser discharge. An appreciable heating of plasma is observed under the Stix coil, which seems to be attributed to a non-linear effect heating of large amplitude ion cyclotron waves.
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  • Interaction of Plasma Streams with a Neutral Gas Cloud
    Haruya Kubo, Nobuki Kawashima, Tomizo Itoh, Akira Yamori
    1970 Volume 25 Issue 2 Pages 73-91
    Published: 1970
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.25.73
    JOURNAL FREE ACCESS
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    Interaction of plasma streams with a neutral gas cloud was studied using gun-produced plasma and laser-produced plasma. The interaction of a quiet plasma stream shows a stable normal shock structure, but that of a plasma stream having turbulent magnetic fields shows a very complicated structure which resembles the ray structure of the type-I comet tail.
    From time resolved photographs of the interaction of the quiet plasma stream, we can obtain a valuable information on the process of the growth of shock waves, and the experimental results are explained in terms of the snowplow model. Similarity relation concerning the type-I comet tail is also discussed.
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  • [title in Japanese]
    [in Japanese], [in Japanese], G. Lampis
    1970 Volume 25 Issue 2 Pages 92-100
    Published: 1970
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.25.92
    JOURNAL FREE ACCESS
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    The frequency of ion oscillations excited in the plasma produced by a back diffusion source is shifted by an external r. f. electric field. This phenomenon can be explained theoretically by the spatial modulation of r. f. field on account of ion oscillation. This effect is most dominant when the condition of sheath-plasma resonance is reached.
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  • Improvements of fast ionization gauges
    Kenkichi Ohba, Keiichi Hirano
    1970 Volume 25 Issue 2 Pages 101-116
    Published: 1970
    Released on J-STAGE: March 04, 2011
    DOIhttps://doi.org/10.1585/jspf1958.25.101
    JOURNAL FREE ACCESS
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    Various fast ionization gauges have been developed that are suited for measuring the local density of some transient gas flow (e. g. the gas burst from a fast acting valve expanding into some vacuum chamber).
    The operating characteristics of four defferent types of newly designed ionization gauges have been investigated in helium and deuterium at pressures between 10-3 to 1 Torr. by comparing with an an electron beam fluorescence probe.
    The gauge which has a triple-cylindrical grid is found to be sufficiently reliable.
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