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Volume 19 (1984)
- Issue 6 Pages 367-
- Issue 5 Pages 311-
- Issue 4 Pages 258-
- Issue 3 Pages 191-
- Issue 2 Pages 71-
- Issue 1 Pages 3-
Volume 19, Issue 4
Displaying 1-6 of 6 articles from this issue
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Hisanao OGATA1984 Volume 19 Issue 4 Pages 258-263
Published: September 10, 1984
Released on J-STAGE: February 26, 2010
JOURNAL FREE ACCESSCryogenic pipings for liquid helium, which are called as ‘transfer lines’ or ‘transfer tubes’, are reviewed. Structures and heat inleak data of rigid type and flexible type are presented. Also discussed are connection of the pipings, measurement of heat inleak, and pressure drop for liquid helium flow.View full abstractDownload PDF (880K) -
Yasuyuki TAHARA, Shigehiro OWAKI, Toichi OKADA1984 Volume 19 Issue 4 Pages 264-270
Published: September 10, 1984
Released on J-STAGE: February 26, 2010
JOURNAL FREE ACCESSConsidering the stability of superconducting magnet which is irradiated by high energy pulse radiation in fusion reactor, the breaking and the recovering of superconducting state in short time (a few μsec) after pulse irradiation were investigated with short light pulse (8 and 30nsec) instead of high energy radiation. When current flowed in superconducting lead, voltage pulse was induced by irradiation and measured with a fast detection system of time resolution of about 10nsec. The observed decay time of the resistance agreed with the one which was evaluated from heat transfer equation. This indicates that the mechanism of breaking and recovering of superconducting state caused by this pulse irradiation was explained only by thermal effect.View full abstractDownload PDF (1029K) -
Yoshihide KIMISHIMA, Takahisa KATOH, Hiroshi NAGANO1984 Volume 19 Issue 4 Pages 271-278
Published: September 10, 1984
Released on J-STAGE: February 26, 2010
JOURNAL FREE ACCESSThe automatic measurement and control system was formed for the low temperature experiment. The control unit mainly consists of the personal computer (NEC PC-9801). For the temperature measurement by the carbon resistor, the thermoelectromotive force was corrected by the polarity reversing of the exciting current, and the averaged value was recorded as the experimental data. The relay switching circuit was used for the above process. For the warming and cooling of the measured sample, the programmable current source was used in this system.View full abstractDownload PDF (911K) -
[in Japanese], [in Japanese]1984 Volume 19 Issue 4 Pages 284
Published: September 10, 1984
Released on J-STAGE: February 26, 2010
JOURNAL FREE ACCESSDownload PDF (99K) -
1984 Volume 19 Issue 4 Pages 305a
Published: 1984
Released on J-STAGE: February 26, 2010
JOURNAL FREE ACCESSDownload PDF (349K) -
1984 Volume 19 Issue 4 Pages 305b
Published: 1984
Released on J-STAGE: February 26, 2010
JOURNAL FREE ACCESSDownload PDF (349K)
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