Nonlinear Vibration of Nuclear Fuel Rods
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F17%3A43929337" target="_blank" >RIV/49777513:23520/17:43929337 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1007/978-3-319-44087-3_24" target="_blank" >http://dx.doi.org/10.1007/978-3-319-44087-3_24</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/978-3-319-44087-3_24" target="_blank" >10.1007/978-3-319-44087-3_24</a>
Alternative languages
Result language
angličtina
Original language name
Nonlinear Vibration of Nuclear Fuel Rods
Original language description
The paper deals with nonlinear vibration of nuclear fuel rods in hexagonal-type fuel assemblies. The fuel rod is considered as a system consisting of two impact-interacting beam-type subsystems. Outer subsystem is a fuel rod cladding in the form of a long and thin zirconium tube supported at several levels by prestressed spacer grid cells. Inside the cladding, a fuel pellets stack is situated that is axially prestressed by fixation spring. Between both subsystems, there is a little clearance. During a vibration caused by pressure pulsations of coolant, impact vibration occurs between both subsystems. The impacts are described by the model including possible stick, slip and separation phases. At the levels of spacer grids, bending vibration causes fretting wear of cladding. The aim of this paper is to perform numerical simulations to estimate fretting wear dependence on a phase of operational cycle. A specific phase in operational cycle is characterised by several parameters, such as clearance between both subsystems, prestress of spacer grid cells and a force of fixation spring.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20301 - Mechanical engineering
Result continuities
Project
<a href="/en/project/LO1506" target="_blank" >LO1506: Sustainability support of the centre NTIS - New Technologies for the Information Society</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Advance in Mechanism Design II
ISBN
978-3-319-44086-6
ISSN
2211-0984
e-ISSN
neuvedeno
Number of pages
6
Pages from-to
185-190
Publisher name
Springer
Place of publication
Cham
Event location
Liberec
Event date
Sep 6, 2016
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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