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Study on Ultra-Long Life, Small U-ZR Metallic Fuelled Core With Burnable Poison

[+] Author Affiliations
Kenji Tsuji, Hiromitsu Inagaki, Akira Nishikawa

Chubu Electric Power Company, Inc., Nagoya, Japan

Hisato Matsumiya, Yoshiaki Sakashita, Yasuyuki Moriki, Mitsuaki Yamaoka

Toshiba Corporation, Yokohama, Japan

Norihiko Handa

Toshiba Corporation

Paper No. ICONE10-22355, pp. 749-753; 5 pages
  • 10th International Conference on Nuclear Engineering
  • 10th International Conference on Nuclear Engineering, Volume 2
  • Arlington, Virginia, USA, April 14–18, 2002
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-3596-0 | eISBN: 0-7918-3589-8
  • Copyright © 2002 by ASME


A conceptual design for a 50MWe sodium cooled, U-Pu-Zr metallic fuelled, fast reactor core, which aims at a core lifetime of 30 years, has been performed [1]. As for the compensation for a large burn-up reactivity through 30 years, an axially movable reflector, which is located around the core, carries the major part of it and a burnable poison does the rest. This concept has achieved not only a long core lifetime but also a high discharged burn-up. On this study, a conceptual design for a small fast reactor loading U-Zr metallic fuelled core instead of U-Pu-Zr fuelled core has been conducted, based on the original core arrangement of 4S reactor [2]. Within the range of this study including safety requirements, adopting the burnable poison would be effective to construct a core concept that achieves both a long lifetime and a high discharged burn-up.

Copyright © 2002 by ASME
Topics: Zirconium



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