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Journal Articles

Preliminary test results for post irradiation examination on the HTTR fuel

Ueta, Shohei; Umeda, Masayuki; Sawa, Kazuhiro; Sozawa, Shizuo; Shimizu, Michio; Ishigaki, Yoshinobu; Obata, Hiroyuki*

Journal of Nuclear Science and Technology, 44(8), p.1081 - 1088, 2007/08

 Times Cited Count:4 Percentile:31.5(Nuclear Science & Technology)

The future post-irradiation program for the first-loading fuel of the HTTR is scheduled using the HTTR fuel handling facilities and the Hot Laboratory in the Japan Materials Testing Reactor (JMTR) to confirm its irradiation performance and to obtain data on its irradiation characteristics in the core. This report describes the result of preliminary test and the future plan for post-irradiation examination for the HTTR fuel. In the preliminary test, dimension measurement, weight measurement, fuel failure fraction measurement, burnup measurement, X-ray radiograph, SEM and EPMA observations have been carried out. Finally, it was confirmed that the first-loading fuel of the HTTR showed good quality under irradiation condition.

JAEA Reports

Database of fabrication characteristics of the second-loading-fuel for the High Temperature Engineering Test Reactor, 1; Fuel kernels, coated fuel particles and fuel compacts

Ueta, Shohei; Izumiya, Toru; Umeda, Masayuki; Ishigaki, Yoshinobu; Ohashi, Jumpei*; Iyoku, Tatsuo

JAEA-Data/Code 2006-009, 129 Pages, 2006/03

JAEA-Data-Code-2006-009.pdf:12.35MB

The fabrication of the 2nd loading fuel for the HTTR has been started from October 2002 and completed successfully by March 2005. While the fabrication of the 2nd loading fuel for the HTTR, the fuel kernels, coated fuel particles and fuel compacts has inspected to compared with fuel fabrication specification. As the result of these inspections, we confirmed a good quality of the 2nd loading fuel for the HTTR as similarly the first loading fuel for the HTTR. This report describes fabrication data of fuel kernels, coated fuel particle and fuel compacts of HTTR 2nd loading fuel. The fabrication data of this report could be the basis of the study of fuel and fission product release behavior etc. on the HTTR operation, and contribute to post irradiation examinations of HTTR fuel in the future.

Journal Articles

Development of the I-I type irradiation equipment for the HTTR

Shibata, Taiju; Kikuchi, Takayuki; Miyamoto, Satoshi*; Ogura, Kazutomo*; Ishigaki, Yoshinobu*

FAPIG, (161), p.3 - 7, 2002/07

no abstracts in English

Journal Articles

Development of the I-I type irradiation equipment for the HTTR

Shibata, Taiju; Kikuchi, Takayuki; Miyamoto, Satoshi*; Ogura, Kazutomo*; Ishigaki, Yoshinobu*

Proceedings of OECD/NEA 2nd Information Exchange Meeting on Basic Studies in the Field of High-temperature Engineering, p.145 - 152, 2001/00

no abstracts in English

Oral presentation

Collapse load of beam subjected to both bending moment and shear force

Tsukimori, Kazuyuki; Moriizumi, Makoto; Abe, Masato; Sadahiro, Daisuke*; Ishigaki, Yoshinobu*

no journal, , 

The elastic limit and the collapse load of a rectangular or circular cross-section beam subjected to both bending moment and shear force are derived analytically with partially approximation. According to the result, there is no interaction between bending moment and shear force in the region of elastic, however, there is an interaction between them with some relation, which is complicated but seems to be close to oval shape. The validity of this relation is examined by FEM analysis.

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