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Proceedings Papers

Effect of Pressure Acting on the Flaw Surface on Plastic Collapse Strength for Pipes With the Circumferential Surface Flaw

Hideo Machida
Proc. ASME. ICONE31, Volume 5: Nuclear Safety, Security, and Cyber Security; Nuclear Codes, Standards, Licensing, and Regulatory Issues, V005T06A001, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-126112
https://doi.org/10.1115/ICONE31-126112
View Paper titled, Effect of Pressure Acting on the Flaw Surface on Plastic Collapse Strength for Pipes With the Circumferential Surface Flaw
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Topics: Collapse, Fitness-for-service, Pipes, Pressure, Stress
Proceedings Papers

Numerical Simulation and Analysis of Condensation-Induced Water Hammer in Heat Exchangers for Residual Heat Removal System in Nuclear Power Plant

Jie Li, Feng Xiong, Jiaqi Pan, Ruiyang Tu, Pei Yu, Jiaming Zhao, Zhengyu Chen, Zihao Zhang, Wentao Guo, Shengfei Wang
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A022, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135113
https://doi.org/10.1115/ICONE31-135113
View Paper titled, Numerical Simulation and Analysis of Condensation-Induced Water Hammer in Heat Exchangers for Residual Heat Removal System in Nuclear Power Plant
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Topics: Collapse, Computer simulation, Condensation, Heat, Heat exchangers, Heat transfer coefficients, Nuclear power stations, Slug flows, Water hammer
Proceedings Papers

Research on Computation Method of Bubble Volume Based on Machine Learning

Yongwang Ding, Xinxing Liu, Zhaoming Meng, Han Zhang, Fu Li
Proc. ASME. ICONE31, Volume 6: Thermal-Hydraulics and Safety Analysis, V006T07A065, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135162
https://doi.org/10.1115/ICONE31-135162
View Paper titled, Research on Computation Method of Bubble Volume Based on Machine Learning
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Topics: Bubbles, Computation, Condensation, Convolutional neural networks, Image processing, Machine learning, Oscillations, Algorithms, Collapse, Errors
Proceedings Papers

Influence of Multi-Hole Sparger Geometry on the Chugging Regime

Luca Berti, Rosa Lo Frano, Francesco d’Errico, Donato Aquaro
Proc. ASME. ICONE31, Volume 11: Student Paper Competition, V011T15A077, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-136169
https://doi.org/10.1115/ICONE31-136169
View Paper titled, Influence of Multi-Hole Sparger Geometry on the Chugging Regime
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Topics: Geometry, Steam, Bubbles, Dynamics (Mechanics), Accelerometers, Boilers, Collapse, Condensation, Fusion reactors, Pressure
Proceedings Papers

A Bi-Layered Three-Dimensional Mechanical Modeling of the Cladding and Its Creep Deformation Analysis

Ming Zhang, Jinggang Li, Xiaohan Liu, Yong Lu, Yanan Zhu
Proc. ASME. ICONE29, Volume 2: Nuclear Fuel and Material, Reactor Physics and Transport Theory, and Fuel Cycle Technology, V002T02A004, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-88944
https://doi.org/10.1115/ICONE29-88944
View Paper titled, A Bi-Layered Three-Dimensional Mechanical Modeling of the Cladding and Its Creep Deformation Analysis
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Topics: Cladding systems (Building), Collapse, Creep, Modeling
Proceedings Papers

Validation of NUIT for Decay Heat Predictions of PWR Spent Fuel Assemblies

Jian Li, Ruihan Li, Ding She, Jin'gang Liang, Lei Shi
Proc. ASME. ICONE29, Volume 2: Nuclear Fuel and Material, Reactor Physics and Transport Theory, and Fuel Cycle Technology, V002T02A008, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-89241
https://doi.org/10.1115/ICONE29-89241
View Paper titled, Validation of NUIT for Decay Heat Predictions of PWR Spent Fuel Assemblies
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Topics: Heat, Pressurized water reactors, Spent nuclear fuels, Fuels, Neutrons, Boiling water reactors, Collapse, Cooling, Cross section (Physics), Density
Proceedings Papers

Simulation on the Process of Core Molten Pool Formation and Corium Relocation in the Core Region

Xinhai Zhao, Peng Chen, Dongyu He, Ruhao Zhong
Proc. ASME. ICONE29, Volume 11: Mitigation Strategies for Beyond Design Basis Events, V011T11A017, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-92717
https://doi.org/10.1115/ICONE29-92717
View Paper titled, Simulation on the Process of Core Molten Pool Formation and Corium Relocation in the Core Region
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Topics: Accidents, Algorithms, Collapse, Dams, Flow (Dynamics), Fuel rods, Geometry, Heat transfer, Melting, Porous materials
Proceedings Papers

Development of an MPS Code for Corium Behavior Analysis

Lijun Jian, Hongfan Lu, Peng Yu, Yidan Yuan
Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A013, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-91422
https://doi.org/10.1115/ICONE29-91422
View Paper titled, Development of an MPS Code for Corium Behavior Analysis
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Topics: Accidents, Alloys, Collapse, Deformation, Drops, Enthalpy, Fukushima nuclear disaster, Japan, 2011, Heat transfer, Melting, Oscillations
Proceedings Papers

Evaluation of Serpent Capabilities for Hyperfidelity Depletion of Pebble Bed Cores

Yves Robert, Massimiliano Fratoni
Proc. ASME. ICONE28, Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications, V001T04A016, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-65810
https://doi.org/10.1115/ICONE28-65810
View Paper titled, Evaluation of Serpent Capabilities for Hyperfidelity Depletion of Pebble Bed Cores
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Topics: Collapse, Cross section (Physics), Geometry, Machinery, Modeling, Optimization, Power grids, Simulation
Proceedings Papers

Water Hammer Simulation in Two-Phase Flow Regimes Using Open Source Code OpenFOAM

Paul Fuchs, Marco K. Koch
Proc. ASME. ICONE28, Volume 3: Computational Fluid Dynamics (CFD); Verification and Validation; Advanced Methods of Manufacturing (AMM) for Nuclear Reactors and Components; Decontamination, Decommissioning, and Radioactive Waste Management; Beyond Design Basis and Nuclear Safety; Risk Informed Management and Regulation, V003T08A001, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-61351
https://doi.org/10.1115/ICONE28-61351
View Paper titled, Water Hammer Simulation in Two-Phase Flow Regimes Using Open Source Code OpenFOAM
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Topics: Computational fluid dynamics, Simulation, Two-phase flow, Water hammer, Pipes, Pressure, Cavitation, Fluid structure interaction, Bubbles, Fluids
Proceedings Papers

Simulation of Severe Accident Progression Using ROSHNI: A New Integrated Simulation Code for PHWR Severe Accidents

Sunil Nijhawan, YongMann Song
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T01A014, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16633
https://doi.org/10.1115/ICONE2020-16633
View Paper titled, Simulation of Severe Accident Progression Using ROSHNI: A New Integrated Simulation Code for PHWR Severe Accidents
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Topics: Accidents, Heavy water reactors, Simulation, Fuels, Design, Modeling, Vessels, Damage, Failure, Fluids
Proceedings Papers

In-Vessel Core Melt Retention Strategy Applied for the Rivne VVER-440 Unit

Yaroslav Dubyk, Vitalii Antonchenko
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T01A018, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16913
https://doi.org/10.1115/ICONE2020-16913
View Paper titled, In-Vessel Core Melt Retention Strategy Applied for the Rivne VVER-440 Unit
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Topics: Ablation (Vaporization technology), Collapse, Vessels
Proceedings Papers

Investigating Structural Response of Pressure Reducing Valve of Supercritical Steam Generator System Under Cyclic Moments, Thermal Transient, and Pressure Loadings

Nak-Kyun Cho, Pavitra Bansal, Antony M. Hurst
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T06A015, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16426
https://doi.org/10.1115/ICONE2020-16426
View Paper titled, Investigating Structural Response of Pressure Reducing Valve of Supercritical Steam Generator System Under Cyclic Moments, Thermal Transient, and Pressure Loadings
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Topics: Boilers, Pressure, Transients (Dynamics), Valves, Pipes, Temperature, Collapse, Engineers, Fatigue, Flow (Dynamics)
Proceedings Papers

Nonlinear Analysis in Pressure Vessel Design Codes: Recommendations for Codified Rules Improvements

Claude Faidy
Proc. ASME. ICONE26, Volume 5: Advanced Reactors and Fusion Technologies; Codes, Standards, Licensing, and Regulatory Issues, V005T07A001, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81095
https://doi.org/10.1115/ICONE26-81095
View Paper titled, Nonlinear Analysis in Pressure Vessel Design Codes: Recommendations for Codified Rules Improvements
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Topics: Design, Pressure vessels, Stress, Failure mechanisms, Materials properties, Stress analysis (Engineering), Collapse, Constitutive equations, Failure, Fatigue
Proceedings Papers

Experimental Study of Aerosol Behavior During Pool Scrubbing: Part 1 — Visualization Measurement of Aerosol Particle in a Single Rising Bubble

Kota Fujiwara, Wataru Kikuchi, Yuki Nakamura, Shimpei Saito, Tomohisa Yuasa, Akiko Kaneko, Yutaka Abe
Proc. ASME. ICONE26, Volume 6A: Thermal-Hydraulics and Safety Analyses, V06AT08A034, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81383
https://doi.org/10.1115/ICONE26-81383
View Paper titled, Experimental Study of Aerosol Behavior During Pool Scrubbing: Part 1 — Visualization Measurement of Aerosol Particle in a Single Rising Bubble
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Topics: Aerosols, Bubbles, Particulate matter, Visualization, Flow (Dynamics), Collapse, Decontamination, Diffusion (Physics), Density, Drops
Proceedings Papers

Transient Analysis of Fire Protection System at a Nuclear Power Plant Using Computer Code USLAM

Asif H. Arastu, Eugene Tom
Proc. ASME. ICONE26, Volume 2: Plant Systems, Structures, Components, and Materials; Risk Assessments and Management, V002T03A036, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82622
https://doi.org/10.1115/ICONE26-82622
View Paper titled, Transient Analysis of Fire Protection System at a Nuclear Power Plant Using Computer Code USLAM
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Topics: Computers, Fire, Nuclear power stations, Transient analysis, Water hammer, Vacuum, Elevations (Drawings), Valves, Water, Atmospheric pressure
Proceedings Papers

Study on the Mechanism and Characteristics of Transient Noise of the Steam Discharge Pipes

Lu Dai, Zhiguo Wei, Jun Wu, Yong Liu, Can Ma, Qi Xiao
Proc. ASME. ICONE26, Volume 2: Plant Systems, Structures, Components, and Materials; Risk Assessments and Management, V002T03A024, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81938
https://doi.org/10.1115/ICONE26-81938
View Paper titled, Study on the Mechanism and Characteristics of Transient Noise of the Steam Discharge Pipes
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Topics: Noise (Sound), Pipes, Steam, Transients (Dynamics), Valves, Flow (Dynamics), Collapse, Energy dissipation, Friction, High pressure (Physics)
Proceedings Papers

A Structural Integrity Assessment of a Nuclear Boiler Superheater Bifurcation at High Temperature

Brahim Nadri, Robert X. Wang
Proc. ASME. ICONE26, Volume 2: Plant Systems, Structures, Components, and Materials; Risk Assessments and Management, V002T03A005, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81167
https://doi.org/10.1115/ICONE26-81167
View Paper titled, A Structural Integrity Assessment of a Nuclear Boiler Superheater Bifurcation at High Temperature
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Topics: Bifurcation, Boilers, High temperature, Superheaters, Creep, Metals, Fatigue, Fracture (Materials), Safety, Boiler tubes
Proceedings Papers

A Criterion for Evaluating Plastic Collapse Load: Plastic Work-Tangent Criterion

Ying Zhang
Proc. ASME. ICONE25, Volume 1: Operations and Maintenance, Engineering, Modifications, Life Extension, Life Cycle and Balance of Plant; I&C, Digital Controls, and Influence of Human Factors, V001T01A004, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-66116
https://doi.org/10.1115/ICONE25-66116
View Paper titled, A Criterion for Evaluating Plastic Collapse Load: Plastic Work-Tangent Criterion
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Topics: Collapse, Stress, Design, Finite element analysis, Nozzles, Pressure vessels, Reactor vessels
Proceedings Papers

Uncertainty Analysis of the TRU-Burning Thorium-Fueled RBWR Using Generalized Perturbation Theory

Sandra Bogetic, Phillip Gorman, Manuele Aufiero, Massimiliano Fratoni, Ehud Greenspan, Jasmina Vujic
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A069, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-68001
https://doi.org/10.1115/ICONE25-68001
View Paper titled, Uncertainty Analysis of the TRU-Burning Thorium-Fueled RBWR Using Generalized Perturbation Theory
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Topics: Combustion, Perturbation theory, Uncertainty analysis, Uncertainty, Cross section (Physics), Collisions (Physics), Nuclear fission, Design, Fuels, Light water reactors