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Journal Articles

Development of advanced instrumentation systems for future power reactors

Yamagishi, Hideshi; Kakuta, Tsunemi*

Kyodo Kenkyu Seika Gaiyo, Shoraigata Genshiryoku Hatsuden Gijutsu No Kodoka Ni Kansuru Kenkyu, p.197 - 211, 2006/06

no abstracts in English

JAEA Reports

Development of seal technique for optical fiber; Soldering seal and silver alloy brazing seal

Matsui, Yoshinori; Kikuchi, Taiji; Kakuta, Tsunemi

JAERI-Tech 2002-060, 23 Pages, 2002/08

JAERI-Tech-2002-060.pdf:4.42MB

Recently, the number of in-situ tests using optical fibers as signal transmission lines is increasing in the JMTR, because of their noise-tolerant capability and recent development of irradiation proof type fibers. The convensional seal methods, however, have the problem of trust when they applied to the penetration of the irradiation capsule using optical fibers. As the solution of the problem, we selected soldering seal method that was already applied to the deep-sea optical fiber cables and, as its modification, the silver alloy brazing method. From the result of the out-of-pile test, it was confirmed that both soldering seal and silver alloy brazing seal would be applicable to the plug seal of irradiation capsules. Then the soldering seal was applied to a capsule with optical fibers and was irradiated for 5 operation cycles of the JMTR (about 3000 hours). No deterioration was found at the seal after irradiation. This suggested that in-core use of optical fiber was thought to be promising.

Journal Articles

Irradiation effects on diagnostic components for ITER

Nishitani, Takeo; Shikama, Tatsuo*; Reichle, R.*; Sugie, Tatsuo; Kakuta, Tsunemi; Kasai, Satoshi; Ishitsuka, Etsuo; Yamamoto, Shin

Purazuma, Kaku Yugo Gakkai-Shi, 78(5), p.462 - 467, 2002/05

no abstracts in English

JAEA Reports

Irradiation effects on plasma diagnostic components, 2

Nishitani, Takeo; Shikama, Tatsuo*; Sugie, Tatsuo; Kasai, Satoshi; Ishitsuka, Etsuo; Kawamura, Hiroshi; Kakuta, Tsunemi; Yagi, Toshiaki; Tanaka, Shigeru; Narui, Makoto*; et al.

JAERI-Research 2002-007, 149 Pages, 2002/03

JAERI-Research-2002-007.pdf:8.08MB

no abstracts in English

Journal Articles

Neutron irradiation tests on diagnostic components at JAERI

Nishitani, Takeo; Shikama, Tatsuo*; Fukao, M.*; Reichle, R.*; Sugie, Tatsuo; Kakuta, Tsunemi; Kasai, Satoshi; Snider, R.*; Yamamoto, Shin

Fusion Engineering and Design, 56-57, p.905 - 909, 2001/10

 Times Cited Count:20 Percentile:18.54

no abstracts in English

JAEA Reports

Development of a position-sensitive fission counter and measurement of neutron flux distributions

Yamagishi, Hideshi; Soyama, Kazuhiko; Kakuta, Tsunemi; Ochiai, Masaaki; Iwamura, Takamichi; Saishu, Sadanori*; Urakami, Masao*; Masuda, Naohiro*; Yamauchi, Yuki*; Otani, Junichi*; et al.

JAERI-Tech 2001-053, 19 Pages, 2001/08

JAERI-Tech-2001-053.pdf:2.48MB

no abstracts in English

Journal Articles

A New optical instrumentation system for advanced light water reactor

Kakuta, Tsunemi; Yamagishi, Hideshi; Tabata, Hiroaki*; Urakami, Masao*

Dai-7-Kai Doryoku Enerugi Gijutsu Shimpojiumu Koen Rombunshu (00-11), p.254 - 257, 2000/11

no abstracts in English

JAEA Reports

Investigation of a neutron measuring system with a position-sensitive-fission-counter

Yamagishi, Hideshi; Ikeda, Yujiro; Ito, Hiroshi; Kakuta, Tsunemi; Nakakawa, Masayuki; Iwamura, Takamichi; Tabata, Hiroaki*; Urakami, Masao*

JAERI-Tech 2000-037, p.12 - 0, 2000/03

JAERI-Tech-2000-037.pdf:1.12MB

no abstracts in English

Journal Articles

Development of heat and radiation resistant optical fibers

Shikama, Tatsuo*; Ishihara, Masahiro; Hayashi, Kimio; Kakuta, Tsunemi; Shamoto, Naoki*; Ishino, Shiori*

Proceedings of 1st Information Exchange Meeting on Basic Studies on High-Temperature Engineering, p.379 - 386, 1999/09

no abstracts in English

JAEA Reports

Outline of research proposals selected in the Nuclear Energy Research Initiative (NERI) program

Iwamura, Takamichi; Okubo, Tsutomu; Usui, Shuji*; Shimada, Shoichiro*; Nabeshima, Kunihiko; *; Kakuta, Tsunemi; Ishikawa, Nobuyuki; Suzudo, Tomoaki; Nakatsuka, Toru; et al.

JAERI-Review 99-017, 60 Pages, 1999/08

JAERI-Review-99-017.pdf:2.94MB

no abstracts in English

JAEA Reports

Pulse propagation characteristics of the solenoid electrode for a position-sensitive fission counter

Yamagishi, Hideshi; Suzuki, Katsuo; Kakuta, Tsunemi; ; *; *

JAERI-Research 99-002, 18 Pages, 1999/01

JAERI-Research-99-002.pdf:1.16MB

no abstracts in English

JAEA Reports

Design of the characteristic impedance and trial manufacturing of the solenoid electrode structure for a position-sensitive fission counter

Yamagishi, Hideshi; Suzuki, Katsuo; Kakuta, Tsunemi;

JAERI-Research 98-063, 21 Pages, 1998/11

JAERI-Research-98-063.pdf:1.17MB

no abstracts in English

JAEA Reports

Irradiation effects on plasma diagnostic components

Nishitani, Takeo; *; Ikeda, Yujiro; Ishitsuka, Etsuo; Kakuta, Tsunemi; Kasai, Satoshi; Kawamura, Hiroshi; Morita, Yosuke; Nagashima, Akira; Nakamichi, Masaru; et al.

JAERI-Research 98-053, 105 Pages, 1998/10

JAERI-Research-98-053.pdf:4.78MB

no abstracts in English

Journal Articles

Numerical simulation of a nuclear pumped $$^{3}$$He-Ne-Ar gas laser for its optimization

; Kakuta, Tsunemi; Nakazawa, Masaharu*

Japanese Journal of Applied Physics, Part 1, 37(9A), p.4806 - 4811, 1998/09

 Times Cited Count:2 Percentile:85.4(Physics, Applied)

no abstracts in English

Journal Articles

Application of optical fibers for optical diagnostics in high temperature gas cooled reactor

Shikama, Tatsuo*; Kakuta, Tsunemi; *; Ishihara, Masahiro; ; Arai, Taketoshi

ECN-R--98-005, p.125 - 143, 1998/00

no abstracts in English

Journal Articles

Behavior of optical fibers under heavy irradiation

Kakuta, Tsunemi; *; *;

Fusion Engineering and Design, 41, p.201 - 205, 1998/00

 Times Cited Count:35 Percentile:7.25

no abstracts in English

Journal Articles

Japanese contribution to ITER task of irradiation tests on diagnostics components

Nishitani, Takeo; ; Kakuta, Tsunemi; Sagawa, Hisashi; Oyama, Yukio; *; Sugie, Tatsuo; Noda, Kenji; Kawamura, Hiroshi; Kasai, Satoshi

Fusion Engineering and Design, 42, p.443 - 448, 1998/00

 Times Cited Count:21 Percentile:15.65

no abstracts in English

Journal Articles

Optical fibers and their applications for radiation measurements

Kakuta, Tsunemi

Hoshasen, 24(1), p.41 - 48, 1998/00

no abstracts in English

Journal Articles

Absorption and fluorescence phenomena of optical fibers under heavy neutron irradiation

Kakuta, Tsunemi; ; *; *;

Journal of Nuclear Materials, 258-263, p.1893 - 1896, 1998/00

 Times Cited Count:19 Percentile:18.83

no abstracts in English

Journal Articles

Observation of optical signals using optical fibers in operating fission reactor core

Kakuta, Tsunemi; Shikama, Tatsuo*; *; ; Shamoto, Naoki*; *

Proc. of Int. Conf. on Optical Technology and Image Processing in Fluid,Thermal and Combustion Flow, p.1 - 5, 1998/00

no abstracts in English

41 (Records 1-20 displayed on this page)