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Safe and Simplified Boiling Water Reactor (SSBWR)

[+] Author Affiliations
Masaya Ohtsuka, Koji Fujimura, Takuji Nagayoshi, Jun’ichi Yamashita

Hitachi, Ltd., Hitachi, Ibaraki, Japan

Yasuyoshi Kato

Tokyo Institute of Technology, Tokyo, Japan

Paper No. ICONE10-22565, pp. 975-981; 7 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 safe and simplified BWR (SSBWR) has been developed as an innovative future reactor to provide a super-long life core of 20 years and to realize a passive core safety system with infinite grace period. Operability and maintainability can be largely improved by using the super-long life core, cutting the number of active components, and using a one-batch core with no exchange of fuel assemblies, which can also significantly reduce the possibility of nuclear proliferation. Np-237 of MAs (Minor Actinides) can be effectively transmuted using the very hard neutron spectrum of SSBWR and high level radioactive wastes can be reduced.

Copyright © 2002 by ASME



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