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Safety Analysis Technique for System with Limited Data: Case Study of the Multipurpose Research Reactor in Indonesia

Author

Listed:
  • Heri Hermansyah

    (Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia)

  • Anggraini Ratih Kumaraningrum

    (Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia
    Center for Nuclear Standardization and Quality, National Nuclear Energy Agency of Indonesia (BATAN), Tangerang Selatan 15310, Indonesia)

  • Julwan Hendry Purba

    (Center for Nuclear Reactor Technology and Safety, National Nuclear Energy Agency of Indonesia (BATAN), Tangerang Selatan 15310, Indonesia)

  • Edison

    (Center for Multipurpose Reactor, National Nuclear Energy Agency of Indonesia (BATAN), Tangerang Selatan 15310, Indonesia)

  • Masafumi Yohda

    (Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan)

Abstract

Fault tree analysis (FTA) is frequently applied to deductively evaluate the safety systems of complex engineering systems such as chemical industries or nuclear facilities. To perform this analysis, generic data are commonly used due to the limitation of historical failure data of the system being evaluated. However, generic data have a degree of uncertainty and hence cannot represent the system’s actual performance. In addition, generic data are not applicable to older components due to the aging process, which obviously degrades the reliability of those components. To deal with this limitation, another safety analysis method, called fuzzy fault tree analysis (FFTA), has been proposed. The purpose of this study is to apply FFTA to evaluate the performance of the primary cooling systems of G.A. Siwabessy Multipurpose Reactor (RSG-GAS). RSG-GAS is a research reactor, which belongs to the National Nuclear Energy Agency of Indonesia (BATAN). Expert justifications were used to evaluate the failure occurrences of basic events in the primary cooling system of the RSG–GAS through questionnaires. The assessment by experts is in the form of qualitative data, which are then converted into quantitative data by applying FFTA. Then, the top event probability generated from FFTA was applied to calculate the event probability using event tree analysis (ETA). It was obtained that the highest event probability was 4.304 × 10 −8 /year. Since it complies with The International Atomic Energy Agency (IAEA) specified core damage frequency (CDF) limit, i.e., not greater than 10 −5 /year of reactor operation, the reactor is safe to operate.

Suggested Citation

  • Heri Hermansyah & Anggraini Ratih Kumaraningrum & Julwan Hendry Purba & Edison & Masafumi Yohda, 2020. "Safety Analysis Technique for System with Limited Data: Case Study of the Multipurpose Research Reactor in Indonesia," Energies, MDPI, vol. 13(8), pages 1-29, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:8:p:1975-:d:346479
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    References listed on IDEAS

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    1. Heri Hermansyah & Mohamad Evi Nur Hidayat & Anggraini Ratih Kumaraningrum & Masafumi Yohda & Azmi B. Mohd Shariff, 2018. "Assessment, Mitigation, and Control of Potential Gas Leakage in Existing Buildings Not Designed for Gas Installation in Indonesia," Energies, MDPI, vol. 11(11), pages 1-11, November.
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    Cited by:

    1. Juan Carlos Almachi & Víctor Hugo Sánchez-Espinoza & Uwe Imke, 2022. "High-Fidelity Steady-State and Transient Simulations of an MTR Research Reactor Using Serpent2/Subchanflow," Energies, MDPI, vol. 15(4), pages 1-20, February.
    2. Haiying Cheng & Zhun Luo & Nd Seliverstov, 2022. "A Study of Foam Bitumen Preparation for Effective Recycling of Pavement Layers," Sustainability, MDPI, vol. 14(15), pages 1-22, July.
    3. Jianhui Wu & Jingen Chen & Chunyan Zou & Xiaoxiao Li, 2022. "Accident Modeling and Analysis of Nuclear Reactors," Energies, MDPI, vol. 15(16), pages 1-3, August.
    4. Cuiyue Wei & Shoulong Xu & Shuliang Zou & Fang Zhao & Zhiwei Qin & Hanfeng Dong & Zhixiong Hou, 2022. "Risk Analysis and Evaluation of Nuclear Security Radiation Events in Spent Fuel Reprocessing Plants," Sustainability, MDPI, vol. 15(1), pages 1-17, December.

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