Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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INTERACTIVE SYSTEM DESIGN USING THE COMPLEMENTARITY OF AXIOMATIC DESIGN AND FAULT TREE ANALYSIS

  • Heo, Gyun-Young (Massachusetts Institute of Technology Department of Mechanical Engineering) ;
  • Lee, Tae-Sik (Massachusetts Institute of Technology Department of Mechanical Engineering) ;
  • Do, Sung-Hee (Axiomatic Design Solutions Inc.)
  • Published : 2007.02.28
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Abstract

To efficiently design safety-critical systems such as nuclear power plants, with the requirement of high reliability, methodologies allowing for rigorous interactions between the synthesis and analysis processes have been proposed. This paper attempts to develop a reliability-centered design framework through an interactive process between Axiomatic Design (AD) and Fault Tree Analysis (FTA). Integrating AD and FTA into a single framework appears to be a viable solution, as they compliment each other with their unique advantages. AD provides a systematic synthesis tool while FTA is commonly used as a safety analysis tool. These methodologies build a design process that is less subjective, and they enable designers to develop insights that lead to solutions with improved reliability. Due to the nature of the two methodologies, the information involved in each process is complementary: a success tree versus a fault tree. Thus, at each step a system using AD is synthesized, and its reliability is then quantified using the FT derived from the AD synthesis process. The converted FT provides an opportunity to examine the completeness of the outcome from the synthesis process. This study presents an example of the design of a Containment Heat Removal System (CHRS). A case study illustrates the process of designing the CHRS with an interactive design framework focusing on the conversion of the AD process to FTA.

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References

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  1. Study on Conceptual Design and Technical Safety Issues for Korean Demonstration Fusion Reactors vol.60, pp.1T, 2011, https://doi.org/10.13182/FST11-A12397
  2. Quantitative and qualitative analysis of safety parameters in nuclear power plants vol.38, pp.6, 2013, https://doi.org/10.1002/er.3080