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Neutron–Noise Vibrational Diagnostics of a VVÉR-440 Core Shaft

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Abstract

A method is presented for estimating the trajectory of the motion of a VVÉR-440 reactor core shaft on the basis of ionization-chamber noise. It is demonstrated that the statistics of the singular points of the trajectory makes it possible to monitor the wear of the core shaft–reactor vessel keyed expansion joints.

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REFERENCES

  1. J. Thie, “Neutron noise sources in PRWs,” Prog. Nucl Eng., 1, 283-286 (1977).

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  2. A. Grabner, G. Grunwald, P. Liewers, et al., “Use of noise diagnostics for WWER-440,” Annual Report of the Institute of Nuclear Studies, Rosendorf, Germany (1998).

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Authors and Affiliations

  1. All-Russia Scientific-Research Institute of Nuclear Power Plants, Russia

    G. V. Arkadov

  2. Russian Science Center Kurchatov Institute, Russia

    V. I. Pavelko

  3. Kola Nuclear Power Plant, Russia

    S. I. Titov

Authors
  1. G. V. Arkadov
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  2. V. I. Pavelko
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  3. S. I. Titov
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Arkadov, G.V., Pavelko, V.I. & Titov, S.I. Neutron–Noise Vibrational Diagnostics of a VVÉR-440 Core Shaft. Atomic Energy 91, 781–787 (2001). https://doi.org/10.1023/A:1013882120169

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  • DOI: https://doi.org/10.1023/A:1013882120169

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