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Journal Articles

Operation Optimization Framework for Advanced Reactors Using a Data-Driven Digital Twin

Andy Rivas, Gregory K. Delipei, Jason Hou
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2025, 11(2): 021801.
Paper No: NERS-24-1017
https://doi.org/10.1115/1.4066777
Published Online: December 5, 2024
View Article titled, Operation Optimization Framework for Advanced Reactors Using a Data-Driven Digital Twin
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Topics: Electricity (Physics), Optimization, Probability, Maintenance, Steam, Safety, Temperature, Pumps, Uncertainty, Turbines
Journal Articles

Experimental Investigation of Control Rod Drops Into Perturbed Fuel Assemblies

Namgyu Park, Ohjoon Kwon, Youngik Yoo, Taesoon Kim
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2023, 9(4): 041801.
Paper No: NERS-23-1003
https://doi.org/10.1115/1.4062275
Published Online: September 15, 2023
View Article titled, Experimental Investigation of Control Rod Drops Into Perturbed Fuel Assemblies
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Topics: Deformation, Fuels, Manufacturing, Impact testing, Buckling
Journal Articles

An Estimation Method for Bias Error of Measurements by Utilizing Process Data, An Incidence Matrix and a Reference Instrument for Data Validation and Reconciliation

Akinori Tamura, Yuki Hidaka, Haruhiko Ikeda, Norikazu Hamaura
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2023, 9(4): 041802.
Paper No: NERS-23-1050
https://doi.org/10.1115/1.4062865
Published Online: September 15, 2023
View Article titled, An Estimation Method for Bias Error of Measurements by Utilizing Process Data, An Incidence Matrix and a Reference Instrument for Data Validation and Reconciliation
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Topics: Errors, Flow (Dynamics), Instrumentation, Measurement uncertainty, Uncertainty, Nuclear power stations, Sensors, Pipes
Journal Articles

Study on the Step by Step Process and Performance of Laser Welding for the Spent Fuel Pool Floor

Le Mei, Xiaochun Zhang, Junbao Zhang, Changlei Shao, Jialei Zhu, Ran Huang, Chongzhi Wu
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2023, 9(4): 041803.
Paper No: NERS-23-1056
https://doi.org/10.1115/1.4063008
Published Online: September 15, 2023
View Article titled, Study on the Step by Step Process and Performance of Laser Welding for the Spent Fuel Pool Floor
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Topics: Ferrites (Magnetic materials), Laser welding, Spent nuclear fuels, Water, Welding, Maintenance, Corrosion, Steel, High pressure (Physics), Stainless steel
Journal Articles

Long-Term Performance of Semimetallic Gaskets

Abdel-Hakim Bouzid, Shubhra Kanti Das
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2023, 9(3): 031801.
Paper No: NERS-22-1036
https://doi.org/10.1115/1.4056260
Published Online: February 8, 2023
View Article titled, Long-Term Performance of Semimetallic Gaskets
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Topics: Gaskets, Graphite, Leakage, Temperature, Relaxation (Physics), High temperature, Weight (Mass), Stress
Journal Articles

Technical Evaluation Method of Mechanical Equipment Item Substitution in the Procurement and Construction Process of Nuclear Power Plant

Jindong Zhang, Chongzhi Wu
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. January 2023, 9(1): 011801.
Paper No: NERS-22-1014
https://doi.org/10.1115/1.4054878
Published Online: July 19, 2022
View Article titled, Technical Evaluation Method of Mechanical Equipment Item Substitution in the Procurement and Construction Process of Nuclear Power Plant
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Topics: Construction, Design, Evaluation methods, Nuclear power stations, Failure mechanisms, Nuclear power
Journal Articles

Experimental Study on Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact by Projectiles

Yukihiko Okuda, Akemi Nishida, Zuoyi Kang, Haruji Tsubota, Yinsheng Li
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2023, 9(2): 021801.
Paper No: NERS-21-1178
https://doi.org/10.1115/1.4054040
Published Online: June 15, 2022
View Article titled, Experimental Study on Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact by Projectiles
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Topics: Damage, Impact testing, Projectiles, Reinforced concrete
Journal Articles

High Reliability Microgrid for a Nuclear Facility Emergency Power Supply

Gerard R. Lekhema, Willem A. Cronje, Ian Korir
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2022, 8(3): 031802.
Paper No: NERS-19-1062
https://doi.org/10.1115/1.4046353
Published Online: May 27, 2022
View Article titled, High Reliability Microgrid for a Nuclear Facility Emergency Power Supply
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Topics: Microgrids, Reliability, Batteries, Diesel generators, Failure, Risk-based design, Emergency power, Probability, Nuclear power stations
Journal Articles

Thermal Fatigue of Pressurized Water Reactor Coolant System Loop Drain Lines Due to Outflow Activities

Yue Zou, Brian Derreberry
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2022, 8(3): 031801.
Paper No: NERS-21-1040
https://doi.org/10.1115/1.4053013
Published Online: May 26, 2022
View Article titled, Thermal Fatigue of Pressurized Water Reactor Coolant System Loop Drain Lines Due to Outflow Activities
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Topics: Chemistry, Coolants, Fatigue, Flow (Dynamics), Outflow, Pipes, Pressurized water reactors, Stress, Temperature, Thermal stratification
Journal Articles

Numerical Study of the Deposition of Radioactive Nuclide (Aerosol) in Pressurized Water Reactor Steam Generator

Muhammad Aadil, Rab Nawaz, Ajmal Shah, Kamran Rasheed Qureshi
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2022, 8(2): 021801.
Paper No: NERS-20-1210
https://doi.org/10.1115/1.4051618
Published Online: October 19, 2021
View Article titled, Numerical Study of the Deposition of Radioactive Nuclide (Aerosol) in Pressurized Water Reactor Steam Generator
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Topics: Aerosols, Boilers, Decontamination, Nuclides, Particulate matter, Pressurized water reactors, Turbulence, Computational fluid dynamics, Flow (Dynamics), Particle size
Journal Articles

Numerical Modeling and Experimental Validation of a Supercritical CO 2 -Lubricated Hydrodynamic Journal Bearing

Nathan Colgan, Ken Cragin, Jeffrey Breedlove, Gregory Nellis, Mark Anderson
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2021, 7(3): 031802.
Paper No: NERS-20-1119
https://doi.org/10.1115/1.4049724
Published Online: May 26, 2021
View Article titled, Numerical Modeling and Experimental Validation of a Supercritical CO 2 -Lubricated Hydrodynamic Journal Bearing
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Topics: Bearings, Pressure, Temperature, Computer simulation, Fluids
Journal Articles

Deuterium Ingress at the Rolled Joints in CANDU Reactors: Where Does It Come From and How Can It Be Reduced?

S. T. Langille, C. E. Coleman, G. A. McRae
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2021, 7(3): 031801.
Paper No: NERS-20-1069
https://doi.org/10.1115/1.4048313
Published Online: April 1, 2021
View Article titled, Deuterium Ingress at the Rolled Joints in CANDU Reactors: Where Does It Come From and How Can It Be Reduced?
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Topics: Hydrogen, Pressure, Yttrium, Zirconium, Stainless steel, Fittings
Journal Articles

The Evaluation of the Primary Circuit Passivation Layer Formed After Hot Functional Tests at the EMO3

Pavel Kůs, Martin Kronďák, Martin Skala, Alena Kobzová, Petr Brabec, Patricie Halodová, Janka Mihóková, Štefan Tkáč, Anna Černá
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2021, 7(2): 021804.
Paper No: NERS-20-1149
https://doi.org/10.1115/1.4049281
Published Online: January 28, 2021
View Article titled, The Evaluation of the Primary Circuit Passivation Layer Formed After Hot Functional Tests at the EMO3
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Topics: Circuits, Nuclear power stations, Hydrogen, Magnetite, Water, Microscopy
Journal Articles

Application of Nonlinear Elastic Wave Spectroscopy in the Field of Nuclear Energy

J. Patera, J. Jansa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2021, 7(2): 021803.
Paper No: NERS-20-1108
https://doi.org/10.1115/1.4048238
Published Online: November 16, 2020
View Article titled, Application of Nonlinear Elastic Wave Spectroscopy in the Field of Nuclear Energy
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Topics: Elastic waves, Excitation, Nuclear power, Spectroscopy, Concretes, Microcracks, Pipes, Steel, Concrete beams, Concrete testing
Journal Articles

On Debris-Fretting Impact—The Study of Oxide and Chromium Layer Application

Marcin Kopeć, Ondřej Pašta, Martina Malá, Patricie Halodová, Ladislav Cvrček, Jakub Krejčí
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2021, 7(2): 021802.
Paper No: NERS-20-1093
https://doi.org/10.1115/1.4048239
Published Online: November 16, 2020
View Article titled, On Debris-Fretting Impact—The Study of Oxide and Chromium Layer Application
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Topics: Cladding systems (Building), Coatings, Fuels, Testing, Wear, Wire, Zirconium, Failure, X-rays, Focused ion beams
Journal Articles

Manipulation System for Measuring Heat Flux in Radioactive Melt

Michal Knedlík, David Rot, Jan Hrbek
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2021, 7(2): 021801.
Paper No: NERS-20-1140
https://doi.org/10.1115/1.4048632
Published Online: October 30, 2020
View Article titled, Manipulation System for Measuring Heat Flux in Radioactive Melt
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Topics: Control algorithms, Electromagnetic induction, Heat flux, Manipulators, Melting, Safety, Temperature, Testing, User interfaces, Computer software
Journal Articles

Unequivocally Nonconservative Results From One Method of Imperfection Quantification in RCC-MR

Ashok Kumar, Anindya Chatterjee
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. January 2021, 7(1): 011801.
Paper No: NERS-20-1001
https://doi.org/10.1115/1.4047494
Published Online: October 5, 2020
View Article titled, Unequivocally Nonconservative Results From One Method of Imperfection Quantification in RCC-MR
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Topics: Buckling, Shells, Stress, Geometry
Journal Articles

Confluent Modeling of Heterogeneous Safety and Operational Instrumentation and Control Systems

Mithil Parekh, Yuan Gao, Mariana Jockenhoevel-Barttfeld, Karl Waedt
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2020, 6(3): 031802.
Paper No: NERS-17-1277
https://doi.org/10.1115/1.4046262
Published Online: May 5, 2020
View Article titled, Confluent Modeling of Heterogeneous Safety and Operational Instrumentation and Control Systems
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Topics: Computer software, Failure, Instrumentation, Modeling, Nuclear power stations, Safety, Control systems, Hardware, Three-dimensional modeling
Journal Articles

Investigating the Effect of Prior Distributions on Posterior Estimates of Common Cause Failure Parameters Using Bayesian Method

Edward Shitsi, Emmanuel K. Boafo, Felix Ameyaw, H. C. Odoi
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2020, 6(3): 031801.
Paper No: NERS-19-1117
https://doi.org/10.1115/1.4045803
Published Online: March 9, 2020
View Article titled, Investigating the Effect of Prior Distributions on Posterior Estimates of Common Cause Failure Parameters Using Bayesian Method
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Topics: Failure, Feedwater, High pressure (Physics), Pumps, Safety, Valves, Nuclear power stations
Journal Articles

Exploring Synergy Among New Generation Technologies—Small Modular Reactor, Energy Storage, and Distributed Generation: A Strong Case for Remote Communities

K. A. Joshi, B. Poudel, R. Gokaraju
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2020, 6(2): 021801.
Paper No: NERS-19-1026
https://doi.org/10.1115/1.4045122
Published Online: February 24, 2020
View Article titled, Exploring Synergy Among New Generation Technologies—Small Modular Reactor, Energy Storage, and Distributed Generation: A Strong Case for Remote Communities
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Topics: Distributed power generation, Energy storage, Small modular reactors, Stress, Generators, Modeling