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Journal Articles

Development of short stroke shearing technology for FBR fuel pin

Higuchi, Hidetoshi; Koizumi, Kenji; Hirano, Hiroyasu; Tasaka, Masayuki*; Washiya, Tadahiro; Kobayashi, Tsuguyuki*

Journal of Power and Energy Systems (Internet), 4(1), p.244 - 251, 2010/04

no abstracts in English

Journal Articles

Design and fabrication of the FBR fuel disassembly system

Kitagaki, Toru; Tasaka, Masayuki; Higuchi, Hidetoshi; Koizumi, Kenji; Hirano, Hiroyasu; Washiya, Tadahiro; Kobayashi, Tsuguyuki*

Proceedings of 17th International Conference on Nuclear Engineering (ICONE-17) (CD-ROM), 5 Pages, 2009/06

JAEA has been developing a reliable disassembly system for FBR fuel reprocessing as a part of Fast Reactor Cycle Technology Development (FaCT). We fabricated the disassembly system testing machine. In this paper, we described design of it.

Oral presentation

Development of FBR fuel disassembly and pin bundle chopping technology, 3; Results of basic laser cutting test during 2006JFY

Minehara, Eisuke; Kobayashi, Tsuguyuki*; Washiya, Tadahiro; Tasaka, Masayuki

no journal, , 

In order to develop future FBR nuclear fuel disassembling technology, and in order to acquire the fundamental laser cutting knowledge, various laser cutting experiments have been done. In comparison with the present technology, it has been concluded that the laser cutting could be applied to chop the nuclear fuel assembly components finely.

Oral presentation

Development of FBR fuel disassembly and pin bundle chopping technology, 7; Design and fabrication of the FBR fuel disassembly system

Kitagaki, Toru; Washiya, Tadahiro; Tasaka, Masayuki

no journal, , 

no abstracts in English

Oral presentation

Development of shearing technology for FBR fuel pin bundle

Higuchi, Hidetoshi; Koizumi, Kenji; Hirano, Hiroyasu; Tasaka, Masayuki; Washiya, Tadahiro; Kobayashi, Tsuguyuki*

no journal, , 

From previous reports, the powdered fuel was considered to be suitable for the preparation of high concentrated solution efficiently. And the short stroke shearing technology is expected to make the powdered fuel rationally. In this study, the short stroke shearing tests with simulated fuel pin bundle has been carried out at engineering scale. From these tests, fundamental data of the short stroke shearing characteristics were obtained.

Oral presentation

Development of disassembly technology for FBR fuel assembly

Kitagaki, Toru; Tasaka, Masayuki; Washiya, Tadahiro; Kobayashi, Tsuguyuki

no journal, , 

JAEA has been developing a reliable disassembly system for FBR fuel reprocessing as a part of Fast Reactor Cycle Technology Development (FaCT). We fabricated a testing machine of disassembly system. In this poster, we described design of this device.

Oral presentation

Development of FBR fuel disassembly and pin bundle chopping technology, 11; Development of transfer system for fuel pin bundle

Higuchi, Hidetoshi; Koizumi, Kenji; Hirano, Hiroyasu; Kitagaki, Toru; Washiya, Tadahiro; Kobayashi, Tsuguyuki*; Tasaka, Masayuki*

no journal, , 

no abstracts in English

Oral presentation

Development of FBR fuel disassembly and pin bundle chopping technology, 10; Fundamental performance evaluation by the fuel disassembly test system

Kitagaki, Toru; Higuchi, Hidetoshi; Koizumi, Kenji; Hirano, Hiroyasu; Tasaka, Masayuki*; Washiya, Tadahiro; Kobayashi, Tsuguyuki*

no journal, , 

no abstracts in English

Oral presentation

Development of basic cutting technology for the FBR fuel disassembly; Evaluation of applicability of laser cutting technology

Shimada, Takashi*; Kitagaki, Toru; Tasaka, Masayuki*; Washiya, Tadahiro; Tsubota, Shuho*; Kohata, Yukifumi*; Nishikawa, Hideaki*; Kuroda, Kazuhiko*

no journal, , 

no abstracts in English

Oral presentation

Development of mechanical cutting technology for FBR fuel disassembly; Research of stable cutting condition for the mechanical cutting technology

Kuroda, Kazuhiko*; Kitagaki, Toru; Higuchi, Hidetoshi; Tasaka, Masayuki*; Washiya, Tadahiro; Toya, Yuichi*; Nishikawa, Hideaki*; Karatsu, Fumiaki*

no journal, , 

no abstracts in English

Oral presentation

Development of mechanical disassembly and shearing systems for FBR spent fuel in FaCT project

Washiya, Tadahiro; Kitagaki, Toru; Higuchi, Hidetoshi; Koizumi, Kenji; Kobayashi, Tsuguyuki*; Koyama, Tomozo; Tasaka, Masayuki*

no journal, , 

JAEA have been developing a reliable fuel disassembly and shearing systems in cooperation with Japan Atomic Power Company (JAPC). We proposed a disassembly system utilizing mechanical cutting and pulling method. We designed and fabricated an engineering-scale test device, and confirming the system performance by using the simulated fuel assembly. And we proposed new shearing procedure as short-stroke cutting to provide highly fragmented fuel to realize efficient fuel dissolution required from the uranium crystallization process. We designed and fabricated the fuel transfer device and carried out some experiment to confirm that the fuel fragmentation rate and shared stroke was chosen to be 1 cm. In this paper, we will report the latest experiment for these systems.

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