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Journal Articles

Reprocessing technologies of the High Temperature Gas-cooled Reactor (HTGR) fuel

Sumita, Junya; Ueta, Shohei; Kunitomi, Kazuhiko; Yoshimuta, Shigeharu*; Sawa, Kazuhiro

Nippon Genshiryoku Gakkai Wabun Rombunshi, 2(4), p.546 - 554, 2003/12

A High Temperature Gas-Cooled Reactor (HTGR) is particularly attractive due to capability of producing high temperature helium gas and its inherent safety characteristic. Research and development of high temperature gas turbine plant and high temperature heat utilizing technology are now undergoing. The High Temperature Engineering Test Reactor (HTTR) is a research facility constructed by the Japan Atomic Energy Research Institute. This paper describes reprocessing technology of HTGR fuels. Coated fuel particles, consisted of a microsphere of low enriched UO$$_{2}$$ with TRISO particles, are used as the HTGR fuels. In order to reprocess HTGR fuels, a head-end process is needed and JAERI had confirmed jet-grind method as basic technologies of the head-end process. Since Purex method can be used after the head-end process, a reprocessing system for the HTGR fuels could be established. Also the preliminary study on the methodology for disposing graphite blocks in a HTGR was carried out, and its evaluation results were briefly presented.

JAEA Reports

Acceleration irradiation test of first-loading fuel of High Temperature Engineering Test Reactor (HTTR) up to high burnup (Joint research)

Sawa, Kazuhiro; Sumita, Junya; Ueta, Shohei; Takahashi, Masashi; Tobita, Tsutomu*; Hayashi, Kimio; Saito, Takashi; Suzuki, Shuichi*; Yoshimuta, Shigeharu*; Kato, Shigeru*

JAERI-Research 2002-012, 39 Pages, 2002/06

JAERI-Research-2002-012.pdf:3.12MB

no abstracts in English

JAEA Reports

Improvement of fuel fabrication process for High Temperature Engineering Test Reactor; Countermeasures to criticality accident

Takahashi, Masashi; Ueta, Shohei; Yasuda, Atsushi*; Yoshimuta, Shigeharu*; Kato, Shigeru*; Sawa, Kazuhiro

JAERI-Tech 2001-091, 29 Pages, 2002/01

JAERI-Tech-2001-091.pdf:2.38MB

no abstracts in English

JAEA Reports

Study on storage and reprocessing concept of the High Temperature Engineering Test Reactor (HTTR) fuel

Sawa, Kazuhiro; Fujikawa, Seigo; Yoshimuta, Shigeharu*; Kato, Shigeru*

JAERI-Research 2001-034, 20 Pages, 2001/05

JAERI-Research-2001-034.pdf:1.68MB

no abstracts in English

Journal Articles

Fabrication of HTTR first loading fuel

Kato, Shigeru*; Yoshimuta, Shigeharu*; Hasumi, Takashi*; Sato, Kenji*; Sawa, Kazuhiro; Suzuki, Shuichi*; Mogi, Haruyoshi; Shiozawa, Shusaku; Tanaka, Toshiyuki

FAPIG, (154), p.47 - 51, 2000/03

no abstracts in English

JAEA Reports

A Conceptual study of oxidization resistant fuel compact for High Temperature Gas-cooled Reactors

Sawa, Kazuhiro; Tobita, Tsutomu*; Suzuki, Shuichi*; Yoshimuta, Shigeharu*; Oda, Takefumi*; Watarumi, Kazutoshi*

JAERI-Tech 99-077, p.41 - 0, 1999/11

JAERI-Tech-99-077.pdf:5.23MB

no abstracts in English

Journal Articles

Fabrication of the first-loading-fuel of the High Temperature engineering Test Reactor

Sawa, Kazuhiro; Tobita, Tsutomu*; ; Shiozawa, Shusaku; Yoshimuta, Shigeharu*; Suzuki, Shuichi*; *

Journal of Nuclear Science and Technology, 36(8), p.683 - 690, 1999/08

 Times Cited Count:32 Percentile:9.95(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Development of advanced fabrication technology for high-temperature gas-cooled reactor fuel; Reduction of coating failure fraction

Minato, Kazuo; ; Tobita, Tsutomu*; Fukuda, Kosaku; Yoshimuta, Shigeharu*; *; *; *; *

JAERI-Research 98-070, 25 Pages, 1998/11

JAERI-Research-98-070.pdf:2.18MB

no abstracts in English

Journal Articles

Study on storage and reprocessing concept of the High Temperature engineering Test Reactor (HTTR) fuel

Sawa, Kazuhiro; Yoshimuta, Shigeharu*; Shiozawa, Shusaku; Fujikawa, Seigo; Tanaka, Toshiyuki; *; *; *

IAEA-TECDOC-1043, p.177 - 189, 1998/09

no abstracts in English

JAEA Reports

Design of coated fuel particle for high burnup high temperature gas-cooled reactor

Sawa, Kazuhiro; Yoshimuta, Shigeharu*

JAERI-Tech 98-025, 32 Pages, 1998/06

JAERI-Tech-98-025.pdf:0.92MB

no abstracts in English

JAEA Reports

Evaluation method and prediction result of fuel behavior during the high temperature engineering test reactor operation

Sawa, Kazuhiro; Yoshimuta, Shigeharu*; ; Saito, Kenji; Tobita, Tsutomu*

JAERI-Research 98-016, 34 Pages, 1998/03

JAERI-Research-98-016.pdf:1.21MB

no abstracts in English

JAEA Reports

Development of evaluation method of fuel failure fraction during the high temperature engineering test reactor operation

Sawa, Kazuhiro; Yoshimuta, Shigeharu*; Tobita, Tsutomu*;

JAERI-Research 97-036, 23 Pages, 1997/05

JAERI-Research-97-036.pdf:0.72MB

no abstracts in English

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