Title: Nonlinear vibration of the nuclear reactor with clearances in core barrel couplings
Authors: Zeman, V.
Hlaváč, Z.
Citation: Computational mechanics 2018: book of extended abstracts: 34th conference with international participation, p. 139-140.
Issue Date: 2018
Publisher: Západočeská univerzita v Plzni
Document type: konferenční příspěvek
URI: http://hdl.handle.net/11025/30847
ISBN: 978-80-261-0819-1
Keywords: nelineární vibrace;nukleární reaktor;matematické modelování
Keywords in different language: nonlinear vibration;nuclear reactor;mathematical modelling
Abstract in different language: The original mathematical model of the VVER-type reactor excited by coolant pressure pulsations was derived as the linear clearance-free model in couplings. Assembly clearances in the key-groove (K-G) couplings between the lower part of core barrel (CB3) and the reactor pressure vessel (PV) (Fig. 1) produce nonlinear vibration of reactor components. Friction vibration interactions in the above mentioned couplings cause the fretting wear on their contact surfaces. The aim of this contribution is an investigation of the VVER 1000 type reactor nonlinear vibration respecting the assembling side clearances and friction in eight K-G couplings uniformly deployed to circumference between CB3 and PV.
Rights: Copyright © 2018 University of West Bohemia, Plzeň, Czech Republic
Appears in Collections:Konferenční příspěvky / Conference papers (NTIS)
Konferenční příspěvky / Conference Papers (KME)
Computational mechanics 2018
Computational mechanics 2018

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