Volume 2, Issue 3, September 2017, Page: 82-86
An Analysis of GTRFW Initiation Using Finite Element Method
William Richard Campbell, Engineering Research Institute, Auckland University of Technology, Auckland, New Zealand
Jerry Chen, Engineering Research Institute, Auckland University of Technology, Auckland, New Zealand
Received: Jun. 18, 2017;       Accepted: Jul. 3, 2017;       Published: Aug. 1, 2017
DOI: 10.11648/j.ns.20170203.12      View  1373      Downloads  54
Abstract
Understanding the Grid to rod fretting wear (GTRFW) initiation is critical for reducing the risk of fuel leak. In this paper, a simplified 3D FEA model is set up to analyze its mechanics. The initiation of GTRFW under a series of interferences was modeled and analyzed. It is found that slip and wear usually initiate from the edge of the grid to rod contact contour and eventually propagates to the entire contour. Due to the stress concentration, the contact at sharp corners should be avoided.
Keywords
GTRFW, Wear, Slip, PWR
To cite this article
William Richard Campbell, Jerry Chen, An Analysis of GTRFW Initiation Using Finite Element Method, Nuclear Science. Vol. 2, No. 3, 2017, pp. 82-86. doi: 10.11648/j.ns.20170203.12
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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