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Risk-Informed Analysis of Accidents at Reactor Facilities with VVER

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Atomic Energy Aims and scope

An accident with ‘rupture of steam line’ as the initial event was studied for a reactor facility with VVER-1000. A computational analysis was performed of different flow scenarios of an accident with singular and multiple failures of the safety systems. The realization probability and the consequences were evaluated for each accident sequence. The consequences of the accidents are ranked and the most instructive combinations of failures of systems and blockings are determined from the standpoint of risk. The presented method is based on multivariate calculations and an integrated combination of deterministic and probabilistic approaches to safety validation.

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Authors and Affiliations

  1. Gidropress Experimental Design Bureau (OKB Gidropress), Podolsk, Russia

    A. N. Kozlachkov, V. N. Siryapin, N. V. Siryapin, A. A. Tribelev & V. P. Shein

Authors
  1. A. N. Kozlachkov
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  2. V. N. Siryapin
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  3. N. V. Siryapin
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  4. A. A. Tribelev
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  5. V. P. Shein
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Additional information

Translated from Atomnaya Énergiya, Vol. 123, No. 4, pp. 188–192, October, 2017.

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Kozlachkov, A.N., Siryapin, V.N., Siryapin, N.V. et al. Risk-Informed Analysis of Accidents at Reactor Facilities with VVER. At Energy 123, 224–229 (2018). https://doi.org/10.1007/s10512-018-0330-8

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  • DOI: https://doi.org/10.1007/s10512-018-0330-8

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