Theoretical Prerequisites for PIK Reactor Subcriticality Control Aided by Spectral Noise Analysis

The possibility of measuring and controlling PIK reactor subcriticality on the basis of spectral analysis of reactor noise is examined. A simple lumped-parameter working model of the reactor and an equivalent noise source in accord with Schottky’s relation are used. Attention is focused on the stati...

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Veröffentlicht in:Atomic energy (New York, N.Y.) N.Y.), 2017-12, Vol.123 (2), p.73-80
Hauptverfasser: Degtyarev, A. M., Ivanov, A. A., Andryushchenko, N. N., Myasnikov, A. A., Zakharov, A. S., Seryanina, O. A., Sorokin, S. E.
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Sprache:eng
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Zusammenfassung:The possibility of measuring and controlling PIK reactor subcriticality on the basis of spectral analysis of reactor noise is examined. A simple lumped-parameter working model of the reactor and an equivalent noise source in accord with Schottky’s relation are used. Attention is focused on the statistical error of measurement of the spectral density of reactor noise owing to the finite measurement time and the random nature of neutron detection in a detector. It is shown that in connection with this error the measurements will require a long time and high-sensitivity detectors.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-017-0304-2