publication . Article . Other literature type . 2020

The COLIBRI experimental program in the CROCUS reactor: characterization of the fuel rods oscillator

Lamirand, Vincent; Frajtag, Pavel; Godat, Daniel; Pakari, Oskari; Rais, Adolfo; Hursin, Mathieu; Hursin, Grégory; Fiorina, Carlo; Pautz, Andreas;
Open Access English
  • Published: 20 Jan 2020
The present article presents the mechanical characterization of the fuel rods oscillator developed for the purposes of the COLIBRI experimental program in CROCUS. COLIBRI aims at investigating the radiation noise related to fuel vibrations. The main motivation is the increased amplitudes in the neutron noise distributions recorded in ex- and in-core detectors that have been observed in recent years in Siemens pre-Konvoi type of pressurized water reactors. Several potential explanations have been put forward, but no definitive conclusions could yet be drawn. Among others, changes in fuel assembly or pin vibration patterns, due to recent modifications of assembly ...
free text keywords: Core monitoring and diagnostics, noise analysis, fuel vibration, research reactor experiment, zero-power reactor
Funded by
Core monitoring techniques and experimental validation and demonstration
  • Funder: European Commission (EC)
  • Project Code: 754316
  • Funding stream: H2020 | RIA
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Article . 2020
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Other literature type . 2020
Provider: Datacite
Other literature type . 2020
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