Grid-to-rod flow-induced impact study for PWR fuel in reactor
TLDR
In this article, the authors used finite element analysis (FEA) to evaluate the hydraulic flow-induced impact intensity between the fuel rods and the spacer grids for grid-to-rod fretting wear mitigation.About:
This article is published in Progress in Nuclear Energy.The article was published on 2016-08-01 and is currently open access. It has received 30 citations till now. The article focuses on the topics: Fretting & Nuclear reactor.read more
Citations
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Impact Fretting Wear Behavior of Alloy 690 Tubes in Dry and Deionized Water Conditions
TL;DR: In this article, the impact fretting wear behavior of alloy 690 tubes against 304 stainless steels is investigated, and the effect of medium (water) on fretting wears is revealed.
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Theoretical investigations on flow-induced vibration of fuel rods with spacer grids in axial flow
TL;DR: In this article, a fuel rod with spacer grids is modeled as one dimensional multi-span beam and the fluid force along the fuel rod is considered as random impulsive load.
Journal ArticleDOI
Friction and Wear Properties of CrAl-Based Coatings for Nuclear Fuel Cladding
TL;DR: In this paper, reciprocating sliding wear tests had performed on two types of CrAl and CrAlN coatings with two different Al content ratios and Zircaloy-4.
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Modelling of fully-flexible fuel bundles
TL;DR: In this article, an analytical framework is presented to model fully flexible fuel bundles with a large number of elements and various end conditions, such as flexible endplates, and the results of the model were compared with the available experimental data.
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Grid-to-rod fretting wear study of SiC/SiC composite accident-tolerant fuel claddings using an autoclave fretting bench test
TL;DR: In this paper , the wear behavior of SiC-based composite claddings with different levels of surface finish in fretting against a commercial ZIRLO alloy grid using a unique bench-scale autoclave GTRF rig was investigated.
References
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Journal ArticleDOI
The mechanism of fretting — A review
TL;DR: In this article, the authors brought up-to-date the known facts concerning the mechanism of fretting wear in metals with special reference to the common engineering materials iron and steel under normal conditions.
Journal ArticleDOI
The Fretting Corrosion of Mild Steel
J. S. Halliday,W. Hirst +1 more
TL;DR: A quantitative investigation of the fretting corrosion of mild-steel specimens is described in this paper, where measurements have been made of the frictional forces, the degree of damage and the variations in the electrical contact resistance for a wide range of applied loads, vibration amplitudes and number of cycles of motion.
ReportDOI
PNNL Stress/Strain Correlation for Zircaloy
TL;DR: In this article, the authors presented a model that can calculate true stress, true strain, and the possible failure of the fuel rod cladding based on uniaxial test data.
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An Analytical and Experimental Investigation of the Vibration of Cylindrical Reactor Fuel Elements in Two-Phase Parallel Flow
TL;DR: It is generally agreed that lateral vibration of nuclear fuel elements is random in nature and is caused by random pressure fluctuations acting on the element surface as discussed by the authors, and a series of tests have been con...