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JAEA Reports

Heating test of robot test pool

Arakawa, Ryoki; Nosaki, Nobuhisa; Hirata, Yuji*

JAEA-Technology 2018-009, 28 Pages, 2019/01

JAEA-Technology-2018-009.pdf:2.94MB

The Naraha Center for Remote Control Technology Development consists of a mock-up test building and a research management building, and various test facilities are installed in them for the decommissioning work after the accident of the Fukushima Daiichi Nuclear Power Station, Tokyo Electric Power Company Holdings. In the test facilities, the robot test pool for the underwater robot can be tested under temperature conditions raised from room temperature to 60$$^{circ}$$C. Then, for the purpose of grasping the temperature distribution inside of the pool and the temperature rising behavior in temperature raising condition, a temperature heating test with room temperature to 60$$^{circ}$$C. (maximum setting temperature) was performed, and as well as an analytical study was performed. This report summarizes the obtained both experimental and analytical studies.

JAEA Reports

Production of pressurized cladding tube specimen for neutron irradiation

Isozaki, Futoshi*; Kikuchi, Taiji; Ioka, Ikuo; Ishikawa, Kazuyoshi; Hirata, Yuji*

JAERI-Tech 2002-074, 22 Pages, 2002/09

JAERI-Tech-2002-074.pdf:4.98MB

The pressurized tube specimens which enclosed high pressure inert gas were produced for the irradiation creep test. The pressurized tube specimen with 7mm outer diameter and 0.5mm wall thickness must be sealed by the welding, after the helium gas was impressed in the inside of tube. In this process, there was a technical problem of welding under high pressure, and it is difficult to seal the pressurized tube specimen in the present facility of our group. The production process was examined by taking shortening in production period and reduction in the cost into consideration. The sealing technology to enclose the helium gas up to 5.5MPa was established by new technique using the present facility and the mock-up test. And, it is necessary to measure the outer diameter of the pressurized tube specimen with high accuracy in order to predict irradiation creep deformation arising from neutron radiation and internal pressure. Therefore, the method for measuring at the 0.01mm measurement accuracy was established, which combined laser measuring instrument with the lathe.

JAEA Reports

Fabrication of thin cadmium cylinder coated with aluminum for neutron irradiation capsules

Takeyama, Tomonori; Chiba, Masaaki; Isozaki, Futoshi*; Amezawa, Hiroo; Itabashi, Yukio; Kikuchi, Taiji; Otabe, Yoshikiyo*; Hirata, Yuji*; Taka, Isamu; Oba, Toshihiro

JAERI-Tech 2001-024, 32 Pages, 2001/03

JAERI-Tech-2001-024.pdf:4.41MB

no abstracts in English

JAEA Reports

Test of the scroll pump in the JAERI fuel cleanup system in the Tritium Systems Test Assembly; JFCU scroll pump test and result, JFCU stand alone tritium test 2

Hayashi, Takumi; Konishi, Satoshi; Ohira, Shigeru; Nakamura, Hirofumi; Inoue, Masahiko*; Watanabe, Tetsuo*; Hirata, Kazuhiro*; Naruse, Yuji; Okuno, Kenji; Barnes, J. W.*; et al.

JAERI-M 93-094, 54 Pages, 1993/03

JAERI-M-93-094.pdf:1.32MB

no abstracts in English

JAEA Reports

Joint operation of the TSTA under the collaboration between JAERI and U.S.-DOE; Detail performance of the J-FCU, 25 days extended TSTA loop operation on April-May 1992

Hayashi, Takumi; Konishi, Satoshi; Nakamura, Hirofumi; Inoue, Masahiko*; Hirata, Kazuhiro*; Okuno, Kenji; Naruse, Yuji; Barnes, J. W.*; W.Harbin*; Anderson, J. L.*; et al.

JAERI-M 93-084, 32 Pages, 1993/03

JAERI-M-93-084.pdf:1.14MB

no abstracts in English

JAEA Reports

Joint operation of the TSTA under the collaboration between JAERI and U.S.-DOE; TSTA extended loop operation with 100 grams of tritium on April-May, 1992

Hayashi, Takumi; Nakamura, Hirofumi; Konishi, Satoshi; Inoue, Masahiko*; Hirata, Kazuhiro*; Okuno, Kenji; Naruse, Yuji; Anderson, J. L.*; Sherman, R. H.*; Willms, R. S.*; et al.

JAERI-M 93-083, 54 Pages, 1993/03

JAERI-M-93-083.pdf:1.64MB

no abstracts in English

JAEA Reports

JAERI fuel cleanup system (J-FCU) stand-alone tritium test at the TSTA; J-FCU tritium test with full impurities on February, 1992

Hayashi, Takumi; Nakamura, Hirofumi; Konishi, Satoshi; Inoue, Masahiko*; Hirata, Kazuhiro*; Okuno, Kenji; Naruse, Yuji; Barnes, J. W.*; W.Harbin*; Bartlit, J. R.*; et al.

JAERI-M 93-082, 32 Pages, 1993/03

JAERI-M-93-082.pdf:1.03MB

no abstracts in English

JAEA Reports

Joint operation of the TSTA with the J-FCU under the collaboration between JAERI and U.S.-DOE; A First integrated tritium test between J-FCU and ISS on October, 1991

Hayashi, Takumi; Nakamura, Hirofumi; Konishi, Satoshi; Yamanishi, Toshihiko; Inoue, Masahiko*; Hirata, Kazuhiro*; Okuno, Kenji; Naruse, Yuji; Anderson, J. L.*; Barnes, J. W.*; et al.

JAERI-M 93-081, 35 Pages, 1993/03

JAERI-M-93-081.pdf:1.19MB

no abstracts in English

JAEA Reports

JAERI fuel cleanup system (J-FCU) stand-alone tritium test at the TSTA; First J-FCU test with one gram of tritium on June 1991

Konishi, Satoshi; Hayashi, Takumi; Inoue, Masahiko*; Hirata, Kazuhiro*; Okuno, Kenji; Naruse, Yuji; Barnes, J. W.*; W.Harbin*; Bartlit, J. R.*; Anderson, J. L.*

JAERI-M 93-080, 29 Pages, 1993/03

JAERI-M-93-080.pdf:0.86MB

no abstracts in English

Journal Articles

Separation of hydrogen isotopes by the "Cryogenic-Wall" thermal diffusion column

Hirata, Kazuhiro*; Matsumoto, A.*; Yamanishi, Toshihiko; Okuno, Kenji; Naruse, Yuji; Yamamoto, Ichiro*

Fusion Technology, 21(2P2), p.937 - 941, 1992/03

 Times Cited Count:26 Percentile:88.99(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Experimental study on separation characteristics of thermal diffusion columns using H-D-T system

Nakamura, Takuya; Hirata, Kazuhiro*; Yamanishi, Toshihiko; Okuno, Kenji; Naruse, Yuji

Fusion Technology, 21(2P2), p.942 - 947, 1992/03

 Times Cited Count:2 Percentile:27.5(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Separation of hydrogen isotopes by an advanced thermal diffusion column using cryogenic-wall

Mitsui, J.*; Okada, Y.*; Sakai, F.*; Ide, T.*; Hirata, Kazuhiro*; Yamanishi, Toshihiko; Okuno, Kenji; Naruse, Yuji; Yamamoto, Ichiro*; Kanagawa, Akira*

Fusion Technology, 19(3P2B), p.1646 - 1650, 1991/05

no abstracts in English

Journal Articles

Thermal Neutron Energy Spectrum of JRR-3

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Journal of Nuclear Science and Technology, 6(6), p.341 - 343, 1969/01

 Times Cited Count:0

no abstracts in English

13 (Records 1-13 displayed on this page)
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