For a leap of progress in structural deign of nuclear plant components, The late Professor Emeritus Yasuhide Asada proposed the System Based Code. The key concepts of the System Based Code are; (1) life-cycle margin optimization, (2) expansion of technical options as well as combinations of technical options beyond the current codes and standards, and (3) designing to clearly defined target reliabilities. Those concepts are very new to most of the nuclear power plant designers who are naturally obliged to design to current codes and standards; the application of the concepts of the System Based Code to design will lead to entire change of practices that designers have long been accustomed to. On the other hand, experienced designers are supposed to have expertise that can support and accelerate the development of the System Based Code. Therefore, interfacing with experienced designers is of crucial importance for the development of the System Based Code. The authors conducted a survey on the acceptability of the System Based Code concept. The results were analyzed from the possibility of improving structural design both in terms of reliability and cost effectiveness by the introduction of the System Based Code concept. It was concluded that the System Based Code is beneficial for those purposes. Also described is the expertise elicited from the results of the survey that can be reflected to the development of the System Based Code.
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14th International Conference on Nuclear Engineering
July 17–20, 2006
Miami, Florida, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-4242-8
PROCEEDINGS PAPER
Development of System Based Code: Case Study of Life-Cycle Margin Evaluation
Tai Asayama,
Tai Asayama
Japan Atomic Energy Agency, Oarai, Ibaraki, Japan
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Masaki Morishita,
Masaki Morishita
Japan Atomic Energy Agency, Oarai, Ibaraki, Japan
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Masanori Tashimo
Masanori Tashimo
Energy Think Tank, Ltd., Tokyo, Japan
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Tai Asayama
Japan Atomic Energy Agency, Oarai, Ibaraki, Japan
Masaki Morishita
Japan Atomic Energy Agency, Oarai, Ibaraki, Japan
Masanori Tashimo
Energy Think Tank, Ltd., Tokyo, Japan
Paper No:
ICONE14-89397, pp. 727-734; 8 pages
Published Online:
September 17, 2008
Citation
Asayama, T, Morishita, M, & Tashimo, M. "Development of System Based Code: Case Study of Life-Cycle Margin Evaluation." Proceedings of the 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. pp. 727-734. ASME. https://doi.org/10.1115/ICONE14-89397
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