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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A theoretical model for the vibration of fuel rod with multi spans supported by springs
TL;DR: In this paper, a theoretical model for the vibration of a spring-supported rod with multi spans is established and the flexural displacement of the rod is represented as the combination of Fourier series and auxiliary trigonometric functions in order to overcome the discontinuity and singularity of mode shape.
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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 article, 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.
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Vortex shedding induced vibration of thin strip in confined rectangular channel
TL;DR: In this article, a single flat plate with a high chord-to-thickness ratio in a confined rectangular channel was performed to study the basic behavior of vortex shedding of spacer grids.
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Effect of contact misalignment on fretting wear behavior between fuel cladding and Zr-4 grid
TL;DR: In this article , the impact of tilted contacts on the fretting wear between fuel rod cladding and a Zr-4 alloy grid, caused by deviations during assembly, was analyzed and discussed.
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Fretting wear behaviour of Zr alloy cladding tube under partial slip regime with different duration in simulated primary water of PWR
Hongliang Ming,Mallory Smith +1 more
TL;DR: In this article , the wear behavior of Zr alloy cladding tubes under partial slip regime in a high temperature pressurised water was investigated, and the wear mechanism was delamination at some local regions, resulting in a slight damage.
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...