Peridynamic modeling of fuel pellet cracking

Oterkus, Selda and Madenci, Erdogan (2017) Peridynamic modeling of fuel pellet cracking. Engineering Fracture Mechanics, 176. pp. 23-37. ISSN 0013-7944 (https://doi.org/10.1016/j.engfracmech.2017.02.014)

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Abstract

This study presents the peridynamic simulation of thermal cracking behaviour in uranium dioxide, UO2 fuel pellets that are used in light water reactors (LWR). The performance of the reactor is influenced by the thermo-mechanical behaviour of the pellets. During the fission process, the pellets are subjected to high temperature gradients, and the oxygen diffusion significantly affects the temperature distribution. Therefore, a coupled analysis of temperature and oxygen diffusions and deformation is unavoidable in order to predict accurate cracking behavior in a fuel pellet. The accuracy of the predictions is verified qualitatively by comparing with the previous studies.

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• Item metadata

  Item type:	Article
  ID code:	59948
  Dates:	Date Event 1 May 2017 Published 22 February 2017 Published Online 16 February 2017 Accepted
  Subjects:	Technology > Hydraulic engineering. Ocean engineering Technology > Mechanical engineering and machinery
  Department:	Faculty of Engineering > Naval Architecture, Ocean & Marine Engineering
  Depositing user:	Pure Administrator
  Date deposited:	24 Feb 2017 09:40
  Last modified:	21 Apr 2024 00:27
  Related URLs:	Journal or Publication
  URI:	https://strathprints.strath.ac.uk/id/eprint/59948