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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Numerical simulation study on the fluid excitation force on a nuclear fuel rod with a spacer grid
TL;DR: In this paper , the authors calculated the fluid excitation force on a nuclear fuel rod by the computational fluid dynamics (CFD) method, including time domain and frequency domain analysis, and compared the cases of different turbulence models, inlet velocity, mixing vanes and clamping structures.
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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
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Establishment of fretting maps of Zr alloy cladding tube mated with Zr alloy dimple in simulated primary water of pressurized water reactor
TL;DR: Fretting maps of Zr alloy tube under grid-to-rod configuration in high temperature pressurised water were established in this paper , where the wear mechanism under partial slip regime is adhesive wear with the character of delamination of local regions.
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Effect of Normal Force on Fretting Wear Behavior of Zirconium Alloy Tube in Simulated Primary Water of PWR
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An approach to grid-to-rod fretting wear modeling using dynamic mortar contact
TL;DR: A grid-to-rod fretting (GTRF) modeling methodology that utilizes dynamic mortar contact is presented in this paper , which leverages a recently developed computational framework for modeling thermomechanical contact in dynamic simulations from the nuclear fuel performance code Bison.
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...