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Proceedings Papers

Application of Modal Decomposition Techniques for Reduced-Order Modelling of Once-Through Steam Generator

Yifan Xu, Minjun Peng, Genglei Xia
Proc. ASME. ICONE31, Volume 6: Thermal-Hydraulics and Safety Analysis, V006T07A017, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-132735
https://doi.org/10.1115/ICONE31-132735
View Paper titled, Application of Modal Decomposition Techniques for Reduced-Order Modelling of Once-Through Steam Generator
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Topics: Boilers, Modeling, Principal component analysis
Proceedings Papers

Development of a Nonintrusive ROM for Parametric Study in the RPV Lower Plenum

He Shang, Minjun Peng, Genglei Xia, Shiqi Zhang, Shijie Zhu
Proc. ASME. ICONE31, Volume 11: Student Paper Competition, V011T15A034, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-134678
https://doi.org/10.1115/ICONE31-134678
View Paper titled, Development of a Nonintrusive ROM for Parametric Study in the RPV Lower Plenum
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Topics: Computation, Computational fluid dynamics, Coolants, Errors, Flow (Dynamics), Principal component analysis, Reactor vessels, Simulation, Steady state
Proceedings Papers

LES of Twin High-Re Rectangular Jets for Benchmarking Model Order Reduction Methods

John Acierno, Elia Merzari, Victor Petrov, Annalisa Manera
Proc. ASME. ICONE31, Volume 11: Student Paper Competition, V011T15A080, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-136284
https://doi.org/10.1115/ICONE31-136284
View Paper titled, LES of Twin High-Re Rectangular Jets for Benchmarking Model Order Reduction Methods
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Topics: Jets, Flow (Dynamics), Time series, Turbulence, Cavities, Computer simulation, Coolants, Cooling systems, Density, Dynamics (Mechanics)
Proceedings Papers

Anomalies Detection in Structures, System and Components for Supporting Nuclear Long Term Operation Program

Salvatore Angelo Cancemi, Rosa Lo Frano
Proc. ASME. ICONE29, Volume 15: Student Paper Competition, V015T16A110, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-93193
https://doi.org/10.1115/ICONE29-93193
View Paper titled, Anomalies Detection in Structures, System and Components for Supporting Nuclear Long Term Operation Program
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Topics: Algorithms, Digital twin, Failure, Finite element analysis, Machine learning, Maintenance, Nuclear power stations, Nuclear reactors, Pipes, Pressure
Proceedings Papers

Principal Component Analysis on Tangential Oscillation of Thermal Stratification in Pipe-Flow

Dongwei Wei, Mi Zhou, Naiqiang Zhang
Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A020, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-91662
https://doi.org/10.1115/ICONE29-91662
View Paper titled, Principal Component Analysis on Tangential Oscillation of Thermal Stratification in Pipe-Flow
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Topics: Fatigue, Oscillations, Pipe flow, Pipelines, Principal component analysis, Thermal stratification
Proceedings Papers

State Monitoring of Electric Gate Valve of Nuclear Power Plant Based on Kernel Principal Component Analysis and Jensen-Shannon Divergence

Xiaokun Wang, Hang Wang, Qiang Deng, Renyi Xu
Proc. ASME. ICONE29, Volume 1: Nuclear Plant Operation and Maintenance, Engineering and Modification, Operation Life Extension (OLE), and Life Cycle, V001T01A051, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-92733
https://doi.org/10.1115/ICONE29-92733
View Paper titled, State Monitoring of Electric Gate Valve of Nuclear Power Plant Based on Kernel Principal Component Analysis and Jensen-Shannon Divergence
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Topics: Gates (Closures), Nuclear power stations, Principal component analysis, Valves
Proceedings Papers

Turbulent Flow Characteristics in a Blocked Exterior Subchannel of a Helically Wrapped Rod Bundle

Thien Nguyen, Rodolfo Vaghetto, Yassin Hassan
Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A029, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16570
https://doi.org/10.1115/ICONE2020-16570
View Paper titled, Turbulent Flow Characteristics in a Blocked Exterior Subchannel of a Helically Wrapped Rod Bundle
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Topics: Fuel rods, Turbulence, Flow (Dynamics), Fuels, Wire, Coolants, Heat transfer, Manufacturing, Cladding systems (Building), Deformation
Proceedings Papers

An Inverse Method to Estimate Emission Rates of Multi-Radionuclides Based on an Ensemble 4DVar Method With Local Gamma Dose Rate Measurements

Xiaobing Geng, Mei Xu, Lijun Zhang, Biao Yuan
Proc. ASME. ICONE26, Volume 7: Decontamination and Decommissioning, Radiation Protection, and Waste Management; Mitigation Strategies for Beyond Design Basis Events, V007T10A012, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81609
https://doi.org/10.1115/ICONE26-81609
View Paper titled, An Inverse Method to Estimate Emission Rates of Multi-Radionuclides Based on an Ensemble 4DVar Method With Local Gamma Dose Rate Measurements
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Topics: Emissions, Radioisotopes, Accidents, Emergency response, Meteorology, Algorithms, Fukushima nuclear disaster, Japan, 2011, Kalman filters, Nuclear power stations, Nuclides
Proceedings Papers

Cyber Attack Detection of I&C Systems in NPPS Based on Physical Process Data

Jianghai Li, Xiaojin Huang
Proc. ASME. ICONE24, Volume 2: Smart Grids, Grid Stability, and Offsite and Emergency Power; Advanced and Next Generation Reactors, Fusion Technology; Safety, Security, and Cyber Security; Codes, Standards, Conformity Assessment, Licensing, and Regulatory Issues, V002T07A011, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60773
https://doi.org/10.1115/ICONE24-60773
View Paper titled, Cyber Attack Detection of I&C Systems in NPPS Based on Physical Process Data
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Topics: Nuclear power stations, Computer security, Defense industry, Control systems, Security, Accidents, Encryption, Failure, Instrumentation, Principal component analysis
Proceedings Papers

Verification of Nonlinear Proper Orthogonal Decomposition Reduced Order Modeling for BWR Fuel Assemblies

Dennis P. Prill, Andreas G. Class
Proc. ASME. ICONE21, Volume 4: Thermal Hydraulics, V004T09A088, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16434
https://doi.org/10.1115/ICONE21-16434
View Paper titled, Verification of Nonlinear Proper Orthogonal Decomposition Reduced Order Modeling for BWR Fuel Assemblies
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Topics: Boiling water reactors, Density, Fuels, Modeling, Oscillations, Principal component analysis, Stability
Proceedings Papers

Study of Surrogate Data Method for Chaos Identification of Natural Circulation Flow Oscillation Under Rolling Motion

Wenchao Zhang, Sichao Tan, Puzhen Gao, Pengfei Zhang, Yanguang Yang
Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A014, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-15542
https://doi.org/10.1115/ICONE21-15542
View Paper titled, Study of Surrogate Data Method for Chaos Identification of Natural Circulation Flow Oscillation Under Rolling Motion
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Topics: Chaos, Flow (Dynamics), Oscillations, Time series, Dimensions, Flow instability, Principal component analysis
Proceedings Papers

Fault Detection and Identification in NPP Instruments Using Kernel Principal Component Analysis

Jianping Ma, Jin Jiang
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 1, 765-771, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-29777
https://doi.org/10.1115/ICONE18-29777
View Paper titled, Fault Detection and Identification in NPP Instruments Using Kernel Principal Component Analysis
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Topics: Flaw detection, Instrumentation, Nuclear power stations, Principal component analysis, Errors, Sensors