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Inspection Guideline of BWR Core Internals in Japan

[+] Author Affiliations
Akio Yamamoto

Chubu Electric Power Company, Nagoya, Japan

Naoto Iizuka

Tokyo Electric Power Company, Tokyo, Japan

Takeshi Yoshinaga

Japan Atomic Power Company, Tokyo, Japan

Haruo Fujimori

Hitachi, Ltd., Hitachi, Ibaraki, Japan

Yuuichi Motora

Toshiba Corporation, Yokohama, Japan

Paper No. ICONE10-22717, pp. 185-189; 5 pages
  • 10th International Conference on Nuclear Engineering
  • 10th International Conference on Nuclear Engineering, Volume 1
  • Arlington, Virginia, USA, April 14–18, 2002
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-3595-2 | eISBN: 0-7918-3589-8
  • Copyright © 2002 by ASME


There are crack experiences of core internal components worldwide. So Thermal and Nuclear Power Engineering Society in Japan organized the committee to prepare the appropriate inspection and evaluation guidelines for core internal components at February, 2000. This committee consists of scholars and representatives from utilities and vendors in Japan. At this committee, guidelines for rational inspection and the evaluation method for structural integrity of each core internal components have been developed. For BWR, inspection guidelines for main core internal components like shroud support, core shroud, top guide, core plate, jet pump etc. were prepared at March 2002. Basic concept of guidelines and inspection guideline of shroud support as example will be explained here.

Copyright © 2002 by ASME



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