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An Integrated Simulator for the Maintenance Optimization of Light Water Reactors

[+] Author Affiliations
Shinobu Yoshimura, Kazuo Furuta

University of Tokyo, Tokyo, Japan

Yoshihiro Isobe, Mitsuyuki Sagisaka

Nuclear Fuel Industries, Ltd., Osaka, Japan

Michiyasu Noda

Institute of Nuclear Safety System, Inc., Fukui, Japan

Tetsuya Wada, Hiroshi Akiba

Allied Engineering Corporation, Tokyo, Japan

Paper No. ICONE14-89475, pp. 187-194; 8 pages
  • 14th International Conference on Nuclear Engineering
  • Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management
  • Miami, Florida, USA, July 17–20, 2006
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-4242-8 | eISBN: 0-7918-3783-1
  • Copyright © 2006 by ASME


An attempt was made to develop an integrated simulator for maintenance optimization of LWRs (Light Water Reactors) based on PFM (Probabilistic Fracture Mechanics). The concept of the simulator is to provide a method to optimize maintenance activities for representative components and piping systems in nuclear power plants totally and quantitatively in terms of safety, availability and economic efficiency (both from cost and profit). The simulator will also provide a guideline regarding social acceptance of risk-based decision makings. This study has been conducted under “Innovative and Viable Nuclear Energy Technology (IVNET) Development Project” financially supported by Japanese METI.

Copyright © 2006 by ASME



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