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Keywords: nuclear power plant
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Proceedings Papers

Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A004, August 8–12, 2022
Paper No: ICONE29-90923
... Abstract A nuclear power plant adopts electrolyzing saline to prepare sodium hypochlorite solution with the effective chlorine concentration no less than 8000 mg/L, which is provided to the circulating water system, essential service water system, industrial water system, potable water system...
Proceedings Papers

Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A014, August 8–12, 2022
Paper No: ICONE29-91950
... Abstract Distributed Control System (DCS) is regarded as the “brain” of nuclear power plant due to its function required in guarding nuclear safety. Power supply system is vital to supply electric power for DCS to maintain normal operation. Distribution design requirements of DCS power supply...
Proceedings Papers

Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A036, August 8–12, 2022
Paper No: ICONE29-93115
... Abstract Nuclear power plant accidents are an important public safety issue, and most accidents occur mainly due to unexpected events of the operator. However, traditional nuclear plant interfaces do not provide operators with the ability to resolve unexpected events. As an interface design...
Proceedings Papers

Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A025, August 8–12, 2022
Paper No: ICONE29-92728
... Abstract Nuclear power is one of several significant clean energy and its production capacity is increasing rapidly. This paper proposed a novel PID self-tuning method based on closed-loop identification used in nuclear power plants to deal with the turbine’s load tracking problem. A setpoint...
Proceedings Papers

Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A022, August 8–12, 2022
Paper No: ICONE29-92260
... Abstract Component Cooling Water System (CCWS) heat exchanger in nuclear power plant plays an important role in normal operation and accident condition. Because of the different requirements of heat conduction performance under normal operation and accident conditions, it is necessary...
Proceedings Papers

Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A042, August 8–12, 2022
Paper No: ICONE29-93370
... Abstract Nuclear power is an indispensable part of modern energy systems. To operate the nuclear power plants safely and reliably, it is crucial to greatly develop the predictive maintenance of nuclear infrastructure with the support of various smart sensors and big data analytics. To this end...
Proceedings Papers

Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A033, August 8–12, 2022
Paper No: ICONE29-92995
.... Standardize the three-dimensional layout design of nuclear power plants, and ensure the consistency between the digital power plant model and the natural power plant. The rules are sorted out, analyzed, and transformed systematically in this paper. These rules include the naming and classification principles...
Proceedings Papers

Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A039, August 8–12, 2022
Paper No: ICONE29-93221
... Abstract Nowadays, 3D modeling and virtual reality technology has become a new method to enhance the digitization level in nuclear power engineering field. Reactor pressure vessel head handling, refueling and main equipment installation are the important process flows in nuclear power plant...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A012, August 8–12, 2022
Paper No: ICONE29-90733
... Abstract In nuclear power plants, one of the external human-caused events is aircraft crash. The method used to evaluate the risk of aircraft crash must comply with the requirements of national nuclear safety guidelines. When estimating the distance of aircraft from facility, the events...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A033, August 8–12, 2022
Paper No: ICONE29-92253
... Abstract Interfacing systems LOCA is a kind of special loss of coolant accident in nuclear power plants, which has an important impact on the nuclear power plants safety. Because the break of this kind of accident is located outside the containment, the interfacing systems LOCA will cause...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A045, August 8–12, 2022
Paper No: ICONE29-93142
... Abstract This paper discusses the problems and risks exiting in the in-service inspection of RCP-RRA and connection inlet valve of nuclear power plant, and puts forward the method of optimizing the in-service inspection strategy according to the essence of risk-informed technology. Taking...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A023, August 8–12, 2022
Paper No: ICONE29-91797
... Abstract Risk management is a very important work for nuclear power plants, which is related to the sustainable, healthy and stable operation of nuclear power plants. Almost all the work of nuclear power plants requires risk identification and risk control. Based on the risk management theory...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A015, August 8–12, 2022
Paper No: ICONE29-90824
... Abstract Damage to fuel assemblies and the release of radioactive substance may occur during fuel lifting and storage in nuclear power plant. For the purpose of quantitatively evaluate internal events, internal and external hazards induced risk of spent fuel pool and related fuel lifting...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A040, August 8–12, 2022
Paper No: ICONE29-93057
... Abstract Many countries have paid more attention to seismic risk in nuclear power plants after the Fukushima nuclear accident. It indicates that evaluating the risk for seismic event is vitally important. Seismic Level 1 probabilistic safety assessment (PSA) has a mature methodology, but how...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A027, August 8–12, 2022
Paper No: ICONE29-91929
..., there is an urgent need for finding human reliability analysis methods to effectively analyze and predict possible human errors in severe accident mitigation.In order to compare the applicability of the Human Reliability Analysis (HRA) method under the severe accident in the nuclear power plant, this paper put...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A006, August 8–12, 2022
Paper No: ICONE29-89375
... Abstract In the seismic PSA analysis of a nuclear power plant, the relay chatter analysis is a unique and important research content. An earthquake may cause inadvertent vibration of the relay contacts with an undesired output due to the low seismic ruggedness, and if the chatter time sustained...
Proceedings Papers

Proc. ASME. ICONE29, Volume 13: Risk Assessments and Management, V013T13A054, August 8–12, 2022
Paper No: ICONE29-93528
... than 55% of plants suffered unplanned shutdown or unplanned power reduction events caused by water intake blockage. In recent years, several water intakes blockage events caused by marine organism were reported by domestic nuclear power plants. which leaded to power reduction or shutdown event and heat...
Proceedings Papers

Proc. ASME. ICONE29, Volume 15: Student Paper Competition, V015T16A078, August 8–12, 2022
Paper No: ICONE29-92107
... Abstract The droplets entrained by the wet steam working medium of nuclear power plant pose a threat to the economy and safety of nuclear power plant. The humidity of steam is directly related to the working efficiency of nuclear power plant. In this paper, the ultrasonic attenuation...
Proceedings Papers

Proc. ASME. ICONE29, Volume 15: Student Paper Competition, V015T16A042, August 8–12, 2022
Paper No: ICONE29-91413
... Abstract As the proportion of nuclear power in the power grid continues to increase, for the safe, stable, and economical operation of the power system, nuclear power plants must participate in the peak shaving operation of the power system. Therefore, it is very important to study the impact...
Proceedings Papers

Proc. ASME. ICONE29, Volume 1: Nuclear Plant Operation and Maintenance, Engineering and Modification, Operation Life Extension (OLE), and Life Cycle, V001T01A071, August 8–12, 2022
Paper No: ICONE29-93265
... Abstract The condenser of Pressurized Water Reactor (PWR) nuclear power plant in China has many cooling tube leakage events, resulting in serious safety impact and economic loss. One of the main reasons is the fluidelastic instability caused by the large support plate spacing in half side...