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JAEA Reports

Development of advanced methodology for defect assessment in FBR power plants (Phase II); 2002 Annual Report

Meshii, Toshiyuki*; Watashi, Katsumi; Doi, Motoo; Hashimoto, Takashi

JNC TY4400 2003-002, 63 Pages, 2003/03

JNC-TY4400-2003-002.pdf:3.95MB

no abstracts in English

JAEA Reports

None

Ito, Yoshifumi*; Kume, Kyo*; Otani, Nobuo*

JNC TJ4440 2003-002, 284 Pages, 2003/03

JNC-TJ4440-2003-002.pdf:11.68MB

no abstracts in English

JAEA Reports

None

Kume, Kyo*

JNC TJ4440 2003-001, 224 Pages, 2003/03

JNC-TJ4440-2003-001.pdf:6.9MB

no abstracts in English

JAEA Reports

Achievements of Japanese fuel irradiation experiments in HBWR; 1991$$sim$$93

JAERI-Tech 94-021, 79 Pages, 1994/09

JAERI-Tech-94-021.pdf:2.21MB

no abstracts in English

JAEA Reports

Preparation of computer codes for analyzing sensitivity coefficients of burnup characteristics(II)

*; Sanda, Toshio*; *

PNC TJ9124 94-007, 723 Pages, 1994/03

PNC-TJ9124-94-007-Vol1.pdf:22.78MB
PNC-TJ9124-94-007-Vol2.pdf:13.26MB

To develop nuclear design of LMFBR cores, they are important subjects of research and development to improve the accuracy in nuclear design of large LMFBR cores and to design highly efficient core more rationally. The adjusted nuclear cross-section library has beeen made by being reflected the result of critical experiment of the JUPITER, etc. effectively as much as possible. And the distinct improvement of the accuracy in nuclear design of large LMFBR cores has been achieved. In the design of large LMFBR cores, however, it is important to accurately estimate not only nuclear characteristics, for example, reaction rate distribution and control rod worth but also burnup characteristics, for example, burnup reactivity loss, breeding ratio and so on. Therefore, it is thought to improve the prediction accuracy for burnup characteristics using many burnup data of "JOYO" effectively. It is thought the best way to adjust cross-sections using sensitivity coefficients of burnup characteristics to utilize burnup data of "JOYO". It is able to know the accuracy quantitatively for burnup characteristics of large LMFBR by analyzing the sensitivity coefficients. Therefore in this work computer codes for analyzing sensitivity coefficients of burnup characteristics had been prepared since 1992. In 1992 cross-sections adjustment was done by using the data of "JOYO" and the effect was studied. In this year the adequacy of the codes was studied with a view of applying to design of large LMFBR cores. The results are as follows: (1)The computer codes which could analyze sensitivity coefficients of burnup characteristics taking into consideration plural cycles and refueling were prepared, therefore it came to be able to adjust cross-section using burnup data and to estimate the accuracy for design of large LMFBR cores. The characteristics are not only burnup reactivity loss, breeding ratio but also number density, criticality, reactivity worth, reaction rate ratio, and ....

Oral presentation

Preparation of graft adsorbent for recovery of scandium from hot spring

Seko, Noriaki; Kasai, Noboru; Tamada, Masao; Ichikawa, Eiichi*

no journal, , 

no abstracts in English

Oral presentation

Study for the behavior of tritiated water vapor on the organic materials

Kobayashi, Kazuhiro; Hayashi, Takumi; Nishikawa, Yusuke*; Oya, Yasuhisa*; Yamanishi, Toshihiko; Okuno, Kenji*

no journal, , 

no abstracts in English

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