Журнал Российского общества по неразрушающему контролю и технической диагностике
The journal of the Russian society for non-destructive testing and technical diagnostic
 
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23 | 12 | 2024
2024, 02 February

DOI: 10.14489/td.2024.02.pp.048-055

Pankin A. M., Kostarev V. S., Kalyutik A. A., Legkih R. Yu.
USING SELF-POWERED NEUTRON DETECTORS TO MONITOR NEUTRON-MULTIPLYING CHARACTERISTICS OF THE WATER-WATER POWER REACTOR CORE
(pp. 48-55)

Abstract. A method is described for diagnosing the water-water power reactor core components using self-powered neutron detector (SPND) readings. Self-powered neutron detectors are part of the incore instrumentation system. The method monitors both the detector itself and fuel element. The paper’s authors suggest using both steady state and dynamic reactor core conditions for interpretation of SPND readings. Dynamic conditions can be used to determine the coefficients of neutron flux dynamics that are calculated by analogy with determination of reactivity values from output signals of ion chambers in the reactor control and protection system.

Keywords: detector, monitoring, nuclear reactor, neutron flux, fuel element.

A. M. Pankin, V. S. Kostarev, A. A. Kalyutik (Peter the Great Saint Petersburg Polytechnic University, Saint Petersburg, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
R. Yu. Legkih (The Leningrad Nuclear Power Plant, branch of the Rosenergoatom Concern JSC, Sosnovy Bor, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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