TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
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Volume 5, Issue 6
Displaying 1-4 of 4 articles from this issue
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  • Hydrogen Recovery and Purification Plant
    Hidetake OKADA
    1970 Volume 5 Issue 6 Pages 277-284
    Published: December 20, 1970
    Released on J-STAGE: February 26, 2010
    DOIhttps://doi.org/10.2221/jcsj.5.277
    JOURNAL FREE ACCESS
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    This sentence explains from what background is valued the low temperature separation method which is a means of producing the hydrogen for chemical industry, and introduces the plant recently established for recovering the hydrogen gas from the ammonia plant as the above mentioned effective utilizing method.
    Then it describes in what procedures the Joule Thomson effect of mixed gases, of which few measured data are available, has been estimated in case of getting the various items composing the heat balance of the plant, and is obtained the vapor-liquid equilibria during the separation process from the operating data.
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  • Study of Stabilized Superconducting Small Coil Going Normal
    Teruo NOGUCHI, Yoshiaki UCHIDA, Ko YASUKOCHI
    1970 Volume 5 Issue 6 Pages 285-294
    Published: December 20, 1970
    Released on J-STAGE: February 26, 2010
    DOIhttps://doi.org/10.2221/jcsj.5.285
    JOURNAL FREE ACCESS
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    The propagation of normal region in a superconducting coil was first studied theoretically and experimentally by Steckly. And the theory has been supported by some subsequent experimental works.
    A stabilized superconducting coil, such as one made of Cu clad Nb-Ti wire, however, has not yet been investigated in detail on its behavior of protected and unprotected superconducting small coils would with Cu clad Nb-Ti wire. The appearance of coil resistance was mainly investigated of two coils, one of which was divided into five sections of winding. In each coil, the time dependence of the coil resistance was found to be different from Steckly's theory. A new mechanism of the growth of normal region was proposed to explain this phenomenon.
    The temperature rise at some points in the coilafter quenching was also measured with Cu-constantan theromo couples inserted into intersections of the windings.
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  • Experiment on Hollow Superconducting Magnet
    Susumu SHIMAMOTO
    1970 Volume 5 Issue 6 Pages 295-304
    Published: December 20, 1970
    Released on J-STAGE: February 26, 2010
    DOIhttps://doi.org/10.2221/jcsj.5.295
    JOURNAL FREE ACCESS
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    This paper reports the experimental results of the hollow superconducting magnet on which the author worked at Saclay, France.
    The race track coil was chosen for the experimantal set-up. The distribution of magnetic field was stricktly calculated. The circuit for supercritic helium was explained. The current density of 7, 000A/cm2 in the hollow conductor could be obtained with the maximum magnetic field of 34KG and the stored energy of 40kj. The flow rate, the pressure drop and the temperature rise were measued and will serve for future design. The author acknowleges for his stay at Saclay.
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  • Cryogenic Terminology
    N. KURTI
    1970 Volume 5 Issue 6 Pages 305-308
    Published: December 20, 1970
    Released on J-STAGE: February 26, 2010
    DOIhttps://doi.org/10.2221/jcsj.5.305
    JOURNAL FREE ACCESS
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