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Journal Articles

Cryogenic neutron detector comprising an InSb semiconductor detector and a supercritical helium-3 gas converter

Nakamura, Tatsuya; Katagiri, Masaki; Aratono, Yasuyuki; Kanno, Ikuo*; Hishiki, Shigeomi*; Sugiura, Osamu*; Murase, Yasuhiro*

Review of Scientific Instruments, 75(2), p.340 - 344, 2004/02

 Times Cited Count:6 Percentile:36.75(Instruments & Instrumentation)

We evaluated the neutron-detection characteristics of a proposed cryogenic neutron detector comprising an InSb semiconductor detector and a helium-3 gas converter. The neutron detector was operated at 4.2 K with helium-3 gas filling up to 1.5 atm, at which the density of the helium-3 nucleus corresponds to that at 160 atm at room temperature. The secondary particles generated by the $$^{3}$$He(n,p) T reaction were successfully detected by the InSb detector with a time response of $$sim$$80 nsec at all tested gas pressures.

Journal Articles

Design and performance analysis of the ITER cryoplant and cryo-distribution subsystem

Guillemet, L.*; Jager, B.*; Haange, R.*; Hamada, Kazuya; Hara, Eiji*; Kalinin, G.*; Kato, Takashi; Millet, F.*; Shatil, N.*

Proceedings of 19th International Cryogenic Engineering Conference (ICEC-19), p.105 - 108, 2002/07

Japan Atomic Energy Research Institute has designed a ITER cryoplant and cryo-distribution in the international collaboration. The ITER cryoplant that will be the largest cryogenic system for the Fusion facility in the world, is designed to be stable in operation despite the pulsed nature of heat deposition in the magnet system. The refrigeration capacity of cryoplant is 48 kW at 4.5 K of refrigeration power and 0.16 kg/s of supercritical helium supply. In the cryoplant, a supercritical helium pump and a cold compressor is applied, based on the successful achievement of cryogenic system for the ITER central solenoid model coil.

Journal Articles

Electromagnetic phenomenon in superconducting magnet for fusion facility; Forced flow superconducting magnet

Hamada, Kazuya; Koizumi, Norikiyo

Purazuma, Kaku Yugo Gakkai-Shi, 78(7), p.616 - 624, 2002/07

In the Tokamak type fusion reactor design, a forced flow superconducting coil is applied from the viewpoint to high magnetic field, high withstand voltage performance and large electromagnetic force. In the forced flow magnets, it is well known that various electromagnetic phenomena are occurred by zero resistance and diamagnetic effect of superconductor and complicated structure of cable in conduit conductor (CICC). In the R&D of CICC, the study of hysteresis losses and coupling losses CICC have a lot of progress. For example, using the optimization of filament arrangement in superconducting strand and control of contact resistance of strand, ITER model coil project have a large achievement.

Journal Articles

CS model coil test facility

Kato, Takashi; Nakajima, Hideo; Isono, Takaaki; Hamada, Kazuya; Kawano, Katsumi; Sugimoto, Makoto; Nunoya, Yoshihiko; Koizumi, Norikiyo; Matsui, Kunihiro; Oshikiri, Masayuki*; et al.

Teion Kogaku, 36(6), p.315 - 323, 2001/06

no abstracts in English

JAEA Reports

Study on the flow reduction of forced flow superconducting magnet and its stable operation condition

Sugimoto, Makoto

JAERI-Research 2000-069, 134 Pages, 2001/03

JAERI-Research-2000-069.pdf:7.46MB

no abstracts in English

Journal Articles

Supercritical helium pump

Kato, Takashi

Tabo Kikai, 28(9), p.536 - 545, 2000/09

no abstracts in English

Journal Articles

Flow reduction by AC losses for a forced flow superconducting coil with a cable-in-conduit conductor

Sugimoto, Makoto; Kato, Takashi; Isono, Takaaki; Yoshida, Kiyoshi; Tsuji, Hiroshi

Cryogenics, 39(4), p.323 - 330, 1999/00

 Times Cited Count:4 Percentile:24.23(Thermodynamics)

no abstracts in English

Journal Articles

An evaluation of the inlet flow reduction for a cable-in-conduit conductor in pulsed operation

Sugimoto, Makoto; Isono, Takaaki; Tsuji, Hiroshi; Yoshida, Kiyoshi; *; Hamajima, Takataro*; Sato, Takashi*; Shinoda, K.*

Cryogenics, 38(10), p.989 - 994, 1998/00

 Times Cited Count:4 Percentile:24.33(Thermodynamics)

no abstracts in English

Journal Articles

Development of a 1-kg/s scale supercritical helium pump

Kawano, Katsumi; Kato, Takashi; Hamada, Kazuya; Shimba, Toru*; Tsuji, Hiroshi; *; *; *; *

Proceedings of 17th International Cryogenic Engineering Conference (ICEC17), p.255 - 258, 1998/00

no abstracts in English

Journal Articles

Superconducting performance test facility for large-current conductor of fusion machine

Takahashi, Yoshikazu; Oshikiri, Masayuki*; Kawano, Katsumi; Hanawa, Hiromi*; Imahashi, Koichi*; Seki, Shuichi*; Otsu, K.*; Wakabayashi, Hiroshi*; Takano, Katsutoshi*; Uno, Yasuhiro*; et al.

Teion Kogaku, 33(5), p.323 - 333, 1998/00

no abstracts in English

Journal Articles

Test results of the SMES model coil; Cool-down and thermal characteristics

Hamada, Kazuya; Kato, Takashi; Kawano, Katsumi; *; *; *; Imahashi, Koichi*; Otsu, K.*; Tajiri, F.*; Ouchi, T.*; et al.

Teion Kogaku, 33(7), p.467 - 472, 1998/00

no abstracts in English

Journal Articles

Heat transfer characteristics of a plate-fin type supercritical/liquid helium heat exchanger

Kato, Takashi; *; Hiyama, Tadao; Kawano, Katsumi; *; *; *; ; Tsuji, Hiroshi; *; et al.

Cryogenics, 32(92 SUPPL), p.260 - 263, 1992/00

no abstracts in English

Journal Articles

Cryogenic helium pump system for the development of superconducting magnets in a Fusion Experimental Reactor

Kato, Takashi; *; Kawano, Katsumi; Hiyama, Tadao; ; *; *; *; Tsuji, Hiroshi

Fusion Technology 1992, p.887 - 891, 1992/00

no abstracts in English

Journal Articles

Cryogenic system design and its component development for Fusion Experimental Reactor(FER)

Kato, Takashi; Tada, Eisuke; Hiyama, Tadao; Kawano, Katsumi; *; *; *; *; Shimamoto, Susumi

Fusion Technology 1990, p.1535 - 1539, 1991/00

no abstracts in English

Journal Articles

Demonstration poloidal coil test facility; The performance test results of the cryogenic circulation pump

*; Tada, Eisuke; Kato, Takashi; Hiyama, Tadao; Kawano, Katsumi; *; *; Shimamoto, Susumi; *; *; et al.

Teion Kogaku, 24(1), p.36 - 43, 1989/01

no abstracts in English

JAEA Reports

Stability Analysis Code 「ALPHEII」 of Forced -cooled Superconducting Coil

*; ; *;

JAERI-M 85-108, 24 Pages, 1985/08

JAERI-M-85-108.pdf:0.73MB

no abstracts in English

16 (Records 1-16 displayed on this page)
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