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Keywords: reactor coolant system
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Proceedings Papers

Safety Evaluation of Flowrate Dissymmetry on Nuclear Power Plant Operation

Dongyuan Li, Jinkai Wang, Jiaoshen Xu, Zengpei Zhu, Yaqi Zhang
Proc. ASME. ICONE29, Volume 1: Nuclear Plant Operation and Maintenance, Engineering and Modification, Operation Life Extension (OLE), and Life Cycle, V001T01A072, August 8–12, 2022
Paper No: ICONE29-93277
DOI: https://doi.org/10.1115/ICONE29-93277
... Abstract It has been observed that the Reactor Coolant System (RCS) flowrate dissymmetry phenomenon (i.e. imbalance of primary flowrates between loops) appears in several Nuclear Power Plant (NPP) units. As an initial condition of fault studies, the RCS flowrate is very important to nuclear...
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Topics: Nuclear power plant operations, Nuclear reactor coolants, Nucleate boiling, Safety, Accidents, Flow (Dynamics), Nuclear power stations, Pressurized water reactors, Feedwater, Steam
Proceedings Papers

Sensitivity Analysis for Dynamical Response of Reactor Coolant System Based on OPTIMUS

Yuan Yanli, Ye Xianhui, Li Lijuan, Yuan Feng
Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T14A002, August 4–5, 2020
Paper No: ICONE2020-16485
DOI: https://doi.org/10.1115/ICONE2020-16485
...SENSITIVITY ANALYSIS FOR DYNAMICAL RESPONSE OF REACTOR COOLANT SYSTEM BASED ON OPTIMUS Yuan Yanli 1 , Ye Xianhui, Li Lijuan, Yuan Feng Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China Chengdu, China 1 Contact author: 151665316@qq.com ABSTRACT...
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Topics: Nuclear reactor coolants, Sensitivity analysis
Proceedings Papers

Research on Fault Diagnosis of Reactor Coolant Accident in Nuclear Power Plant Based on Radial Basis Function and Fuzzy Neural Network

Pengpeng Sun, Yong Liu, Guohua Wu, Zhiyong Duan
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, V001T06A005, August 4–5, 2020
Paper No: ICONE2020-16138
DOI: https://doi.org/10.1115/ICONE2020-16138
...Abstract Abstract Nuclear power plants (NPPs) are widely used in the world. After three nuclear accidents, people propose higher of the safety and reliability on NPPs. Reactor coolant system (RCS) in the NPP directly affects whether the heat can be exported and radioactivity can be inclusive...
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Topics: Accidents, Artificial neural networks, Fault diagnosis, Fuzzy logic, Fuzzy neural nets, Nuclear power stations, Nuclear reactor coolants, Safety