Best estimate plus uncertainty analysis of a small‐break LOCA on an advanced Generation‐III pressurized water reactor
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DOI: 10.1002/er.5920
Abstract: To improve the economy of nuclear power plants, a passively pressurized water reactor with additional 40% power output was developed based on AP1000 technologies. In this study, the RELAP5 code was used to model the… read more here.
Keywords: reactor; pressurized water; uncertainty; water reactor ... See more keywords
Numerical implementation and validation of a porous approach for fluid–structure interaction applied to pressurized water reactors fuel assemblies under axial water flow and dynamic excitation
Sign Up to like & getrecommendations! Published in 2021 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.6626
Abstract: The proposed contribution is dedicated to numerical methods for solving strongly coupled fluid–structure dynamic problems where the complexity of the structures and the reduced remaining fluid volume do not allow to handle their exact geometry.… read more here.
Keywords: water reactors; pressurized water; water; fuel assemblies ... See more keywords
Application of Tone’s and embedded self-shielding methods to pressurized water reactor assemblies
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2017.10.031
Abstract: Abstract The Tone’s and embedded self shielding methods are based on a heterogeneous-homogeneous equivalence principle. They both provide a formula for an equivalent dilution parameter that can be used to interpolate pretabulated effective cross sections… read more here.
Keywords: embedded self; shielding methods; tone embedded; self shielding ... See more keywords
The oxidation of alloy 690 in simulated pressurized water reactor primary water
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DOI: 10.1016/j.corsci.2017.07.004
Abstract: Abstract The oxide film formed on alloy 690 in simulated pressurized water reactor primary water is decorated with NiFe 2 O 4 particles which remain epitaxial with matrix. The penetrative inner oxides on both surface… read more here.
Keywords: water reactor; simulated pressurized; water; alloy 690 ... See more keywords
Characteristics of steam generator tube deposits in an operating pressurized water reactor
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2018.05.001
Abstract: Abstract The objective of this study is to characterize steam generator tube deposits collected from an operating pressurized water reactor. The deposits were mostly composed of magnetite and contained small amounts of trevorite, jacobsite, and… read more here.
Keywords: water reactor; generator tube; operating pressurized; steam generator ... See more keywords
Corrosion fatigue model of austenitic stainless steels used in pressurized water reactor nuclear power plants
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2020.152407
Abstract: Abstract Low cycle fatigue behavior of 316LN stainless steel (SS), 304 SS and 308L weld metal was investigated in air and high-temperature pressurized water environment. The effects of mechanical factors and environmental factors on fatigue… read more here.
Keywords: stainless; water; corrosion fatigue; fatigue model ... See more keywords
Influence of the transient conditions on release of corrosion products and oxidation of alloy 690 tubes during pressurized water reactor restart after steam generators replacement
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2020.152562
Abstract: The radioactivity of the Reactor Coolant System (RCS) of Pressurized Water Reactors (PWRs) mainly comes from the release of corrosion products of Steam Generator (SG) tubes made of Ni-base alloys. In order to reduce this… read more here.
Keywords: corrosion products; pressurized water; release corrosion; reactor ... See more keywords
Control of the pressurized water nuclear reactors power using optimized proportional–integral–derivative controller with particle swarm optimization algorithm
Sign Up to like & getrecommendations! Published in 2018 at "Nuclear Engineering and Technology"
DOI: 10.1016/j.net.2018.04.016
Abstract: Abstract Various controllers such as proportional–integral–derivative (PID) controllers have been designed and optimized for load-following issues in nuclear reactors. To achieve high performance, gain tuning is of great importance in PID controllers. In this work,… read more here.
Keywords: proportional integral; nuclear reactors; integral derivative; power ... See more keywords
Microstructure and properties of 316L stainless steel foils for pressure sensor of pressurized water reactor
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DOI: 10.1016/j.net.2020.06.006
Abstract: Abstract The microstructure and texture of three 316L foils of 25 μm thickness, which were subjected to different manufacturing process, were systematically characterized using advance analytical techniques. Then, the electrochemical property of the 316L foils in… read more here.
Keywords: water reactor; texture; pressurized water; microstructure ... See more keywords
Explore the possible advantages of using thorium-based fuel in a pressurized water reactor (PWR) Part 1: Neutronic Analysis
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DOI: 10.1016/j.net.2021.07.019
Abstract: Abstract This study discusses the effect of using 232Th instead of 238U on the neutronic characteristics and the main operating parameters of the pressurized water reactor (PWR). MCNPX version 2.7 was used to compare the… read more here.
Keywords: reactor pwr; fuel; pressurized water; water reactor ... See more keywords
PCI analysis of a commercial PWR using BISON fuel performance code
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DOI: 10.1016/j.nucengdes.2017.09.004
Abstract: Abstract Through the early 2000’s, nuclear fuel cladding failure resulting from pellet-cladding interaction in commercial pressurized water reactor fuel was managed successfully by incorporating power ramp restrictions. Within the past decade, however, cladding failures have… read more here.
Keywords: code; fuel; using bison; pressurized water ... See more keywords