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Keywords: numerical simulation
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Proceedings Papers

Further Investigation of Neutron Noise Under the Condition of Fuel Failure Based on Frequency Domain Finite Element Method

Baoxin Yuan, Huiyi Lv, Herong Zeng, Jie Zheng, Zihan Chen, Huan Huang, Songbao Zhang, Dazhi Qian
Proc. ASME. ICONE31, Volume 2: Nuclear Fuel and Material, Reactor Physics and Transport Theory, and Fuel Cycle Technology, V002T02A005, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-132052
https://doi.org/10.1115/ICONE31-132052
... domain finite element numerical simulation Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31 August 4-8, 2024, Prague, Czech Republic ICONE31-132052 FURTHER INVESTIGATION OF NEUTRON NOISE UNDER THE CONDITION OF FUEL FAILURE BASED ON FREQUENCY DOMAIN FINITE ELEMENT...
View Paper titled, Further Investigation of Neutron Noise Under the Condition of Fuel Failure Based on Frequency Domain Finite Element Method
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Topics: Damage, Failure, Finite element methods, Fuels, Neutrons, Noise (Sound)
Proceedings Papers

Multiple Knowledge Exploration Functions for Advanced Reactor Design and Safety in Knowledge Management System Implemented in the ARKADIA

Akiyuki Seki, Yuki Kondo, Ryuta Hashidate, Masanori Yoshikawa, Kenji Yokoyama, Shigeru Takaya, Yasuhiro Enuma, Taira Hazama, Takashi Wakai, Tai Asayama
Proc. ASME. ICONE31, Volume 4: SMRs, Advanced Reactors, and Fusion, V004T04A012, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-131784
https://doi.org/10.1115/ICONE31-131784
.... advanced nuclear reactor plant lifecycle optimization knowledge base numerical simulation artificial intelligence Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31 August 4-8, 2024, Prague, Czech Republic ICONE31-131784 MULTIPLE KNOWLEDGE EXPLORATION FUNCTIONS...
View Paper titled, Multiple Knowledge Exploration Functions for Advanced Reactor Design and Safety in Knowledge Management System Implemented in the ARKADIA
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Topics: Design, Knowledge management, Safety, Computer-aided design, Information retrieval, Sodium fast reactors, Artificial intelligence, Carbon, Computer simulation, Engineering drawings
Proceedings Papers

Numerical Investigation of High-Temperature Heat Pipes With Different Wick Structures Under Non-Uniform Heating Boundary Conditions

Kailun Guo, Qishi Sun, Hao Sun, Chenlong Wang, Kang Chen, Wenxi Tian, Guanghui Su, Suizheng Qiu
Proc. ASME. ICONE31, Volume 4: SMRs, Advanced Reactors, and Fusion, V004T04A073, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-137029
https://doi.org/10.1115/ICONE31-137029
...+ numerical simulation software. The model used a combination of the liquid film model and the Volume of Fluid (VOF) model to simulate the effects of fluid flow and collection behavior inside the wick structure on the heat transfer characteristics of the heat pipe. The method included models for flow...
View Paper titled, Numerical Investigation of High-Temperature Heat Pipes With Different Wick Structures Under Non-Uniform Heating Boundary Conditions
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Topics: Boundary-value problems, Computer simulation, Heat pipes, Heating, High temperature
Proceedings Papers

Numeral Research on Thermal-Hydraulic Characteristics of Pebble Bed in WCCB Blanket Under In-Box LOCA

Hanlin Bai, Jie Cheng, Shuaiyu Han, Di Wu, Jianjun Wang
Proc. ASME. ICONE31, Volume 4: SMRs, Advanced Reactors, and Fusion, V004T04A053, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135512
https://doi.org/10.1115/ICONE31-135512
... to investigate the flow characteristics of the coolant in the pebble bed after the rupture occurs, numerical simulation of this physical process is carried out based on the three-dimensional computational fluid dynamics (CFD) method. The flash phase transition process is described by the VOF model...
View Paper titled, Numeral Research on Thermal-Hydraulic Characteristics of Pebble Bed in WCCB Blanket Under In-Box LOCA
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Topics: Computer simulation, Loss of coolant accidents
Proceedings Papers

Comparative Investigation of Eulerian and VOF Models in Gas-Liquid Two-Phase Flow Simulation

Zhiyuan Sun, Wen He, Jinyu Han, Zhanwei Liu, Hanliang Bo
Proc. ASME. ICONE31, Volume 6: Thermal-Hydraulics and Safety Analysis, V006T07A059, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135117
https://doi.org/10.1115/ICONE31-135117
... contribute to the development of multiphase flow in the field of nuclear engineering thermal hydraulics. numerical simulation gas-liquid two-phase flow Eulerian model VOF model multiphase flow coupling model Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31...
View Paper titled, Comparative Investigation of Eulerian and VOF Models in Gas-Liquid Two-Phase Flow Simulation
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Topics: Multiphase flow, Simulation, Two-phase flow
Proceedings Papers

Numerical Simulation of Pool Boiling With Two-Fluid Model and Grid-Resolved Heat Transfer Mechanisms

Milan M. Petrovic, Vladimir Stevanovic, Milica Ilic, Sanja Milivojevic
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A054, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-136496
https://doi.org/10.1115/ICONE31-136496
...Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31 August 4-8, 2024, Prague, Czech Republic ICONE31-136496 NUMERICAL SIMULATION OF POOL BOILING WITH TWO-FLUID MODEL AND GRIDRESOLVED HEAT TRANSFER MECHANISMS Milan M. Petrovic University of Belgrade Faculty...
View Paper titled, <span class="search-highlight">Numerical</span> <span class="search-highlight">Simulation</span> of Pool Boiling With Two-Fluid Model and Grid-Resolved Heat Transfer Mechanisms
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Topics: Boiling, Computer simulation, Fluids, Heat transfer, Modeling, Pool boiling
Proceedings Papers

Numerical Investigation on Interphase Interaction and Interplume Effects of Multi-Hole Steam Injection Condensation Based on ADS1-3

Jibin Xu, Hao Zheng, Xihao Shen, Yuhao Zhang, Daogang Lu
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A040, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135676
https://doi.org/10.1115/ICONE31-135676
... of multi-hole vapor injection, a three-dimensional transient numerical simulation research of the DCC mechanism and heat transfer characteristics of a multi-hole high-temperature and high-pressure steam jet is undertaken in this work. The simulation results of the VOF and Mixture multiphase flow models...
View Paper titled, Numerical Investigation on Interphase Interaction and Interplume Effects of Multi-Hole Steam Injection Condensation Based on ADS1-3
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Topics: Computer simulation, Condensation, Jets, Steam
Proceedings Papers

Effect of Different P/D Ratios on the Thermal-Hydraulic Performance of Fuel Assemblies in a Lead-Cooled Fast Reactor

Yangguang Zhang, Daogang Lu, Qiong Cao, Xiaotian Wang
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A020, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135052
https://doi.org/10.1115/ICONE31-135052
... temperature is effectively flattened,increasing the thermal safety margin. Keywords:SMILE;Numerical simulation;pitch-diameter ratio;Fuel assembly design. 1. INTRODUCTION The core is the core area of the reactor where the fission reaction of the nuclear fuel occurs,and the thermal and hydraulic conditions...
View Paper titled, Effect of Different P/D Ratios on the Thermal-Hydraulic Performance of Fuel Assemblies in a Lead-Cooled Fast Reactor
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Topics: Fast neutron reactors, Fuels, Manufacturing
Proceedings Papers

Numerical Research on Heat Transfer Characteristics of Helium-Xenon Mixture in 19-Rod Bundle

Lisha Xu, Zicheng Qiu, Jianjun Xu
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A044, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135839
https://doi.org/10.1115/ICONE31-135839
..., pressure, and flow field. It provides a reference for the design and optimization of future HTGR. helium-xenon mixture 19-rod bundle heat transfer characteristics numerical simulation Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31 August 4-8, 2024, Prague...
View Paper titled, Numerical Research on Heat Transfer Characteristics of Helium-Xenon Mixture in 19-Rod Bundle
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Topics: Heat transfer, Helium
Proceedings Papers

The Influences of Key Factors on the Gas Diffusion in the Material Irradiation Test Based on the Regulation of Gas Composition

Yixiong Sun, Wenhua Yang, Sheng Sun, Liang Zhang, Wenbin Zhao, Shuai Jin, Jin Lei, Jinkang Cheng
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A042, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135739
https://doi.org/10.1115/ICONE31-135739
..., and the longer the diffusion distance. The volume of only affects the final diffusion state. The higher the gas inflation volume, the mole fraction of the corresponding gas will continue to increase. gas composition regulation irradiation device gas diffusion numerical simulation Proceedings...
View Paper titled, The Influences of Key Factors on the Gas Diffusion in the Material Irradiation Test Based on the Regulation of Gas Composition
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Topics: Diffusion (Physics), Irradiation (Radiation exposure)
Proceedings Papers

Numerical Simulation of the Difference Between Steam-Seawater Jet and Steam-Freshwater Jet

An Cao, Shipeng Niu, Jianfa Li, Yongzhen Hua, Xiangjie Qi, Jiayu Xiao, Zhaoming Meng
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A027, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135394
https://doi.org/10.1115/ICONE31-135394
... for suppression pool. steam condensation steady jet numerical simulation seawater Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31 August 4-8, 2024, Prague, Czech Republic ICONE31-135394 NUMERICAL SIMULATION OF THE DIFFERENCE BETWEEN STEAM-SEAWATER JET AND STEAM...
View Paper titled, <span class="search-highlight">Numerical</span> <span class="search-highlight">Simulation</span> of the Difference Between Steam-Seawater Jet and Steam-Freshwater Jet
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Topics: Computer simulation, Condensation, Seawater, Steam
Proceedings Papers

Numerical Investigation on the Enhancement of Steam-Air Condensation Heat Transfer Outside Spiral Pipes

Ruihan Jing, Lu Zhang, Haozhi Bian, Xinyi Shen, Xu Zhang, Shuhang Zhou, Xiang Peng
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A019, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135038
https://doi.org/10.1115/ICONE31-135038
... the radial pitch is minimal. Keywords: Spiral pipe, Pipe bundles, Non-condensable gases, Steam-air condensation, Heat transfer enhancement, Numerical simulation. 1 Copyright © 2024 by ASME NOMENCLATURE B Bird suction parameter k, C 1, C 2 constants D diffusion coefficient, m2/s D0 binary diffusion...
View Paper titled, Numerical Investigation on the Enhancement of Steam-Air Condensation Heat Transfer Outside Spiral Pipes
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Topics: Condensation, Heat transfer, Pipes, Steam
Proceedings Papers

Numerical Simulation of Richtmyer-Meshkov Instability at Vapor-Liquid Interface Under Single and Double Bubbles’ Conditions

Helin Chen, Cheng Peng, Dong Li, Jian Deng
Proc. ASME. ICONE31, Volume 7: Computational Fluid Dynamics (CFD) and Applications, V007T08A038, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135626
https://doi.org/10.1115/ICONE31-135626
... technical assistance in clarifying the triggering stage of fuel-coolant interaction in severe accident. Richtmyer-Meshkov instability vapor-liquid interface numerical simulation trigger pressure Proceedings of the 2024 31st International Conference on Nuclear Engineering ICONE31 August 4-8, 2024...
View Paper titled, <span class="search-highlight">Numerical</span> <span class="search-highlight">Simulation</span> of Richtmyer-Meshkov Instability at Vapor-Liquid Interface Under Single and Double Bubbles’ Conditions
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Topics: Bubbles, Computer simulation, Pressure, Vapors
Proceedings Papers

Numerical Simulation of Single/Two-Phase Flow in a Stratified Porous Bed

Aimad Bouloudenine, Liangxing Li, Zutao Xiang, Shang Shi, Muhammad Abu Bakar
Proc. ASME. ICONE31, Volume 9: Advanced Methods of Manufacturing for Nuclear Reactors and Components; Severe Accidents and Mitigation Strategies for Beyond Design Basis Events, V009T11A009, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-135388
https://doi.org/10.1115/ICONE31-135388
... dynamics within two-layer stratified porous beds, which develop from the mixture of corium and coolant, particularly around the interface between layers. Using ANSYS Fluent software, numerical simulations were conducted to estimate velocity profiles and pressure drops across a stratified porous structure...
View Paper titled, <span class="search-highlight">Numerical</span> <span class="search-highlight">Simulation</span> of Single&#x2F;Two-Phase Flow in a Stratified Porous Bed
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Topics: Computer simulation, Porous materials, Two-phase flow
Proceedings Papers

Study on the Remelting Process of the Debris Bed in the Lower Head of Reactor Pressure Vessel Based on Lattice Boltzmann Method

Shang Shi, Liangxing Li, Weimin Ma, Xiao Zeng, Yidan Yuan, Zhenxin Lei, Zutao Xiang, Xiangyang Xu
Proc. ASME. ICONE31, Volume 9: Advanced Methods of Manufacturing for Nuclear Reactors and Components; Severe Accidents and Mitigation Strategies for Beyond Design Basis Events, V009T11A013, August 4–8, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ICONE31-136038
https://doi.org/10.1115/ICONE31-136038
... with multi-component particles. The simulation results and experimental results have good consistency in the natural convection phenomenon during the melting process, which is been simulated successfully. debris remelting numerical simulation lattice Boltzmann method (LBM) severe accident of nuclear...
View Paper titled, Study on the Remelting Process of the Debris Bed in the Lower Head of Reactor Pressure Vessel Based on Lattice Boltzmann Method
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Topics: Lattice Boltzmann methods, Reactor vessels
Proceedings Papers

Experimental and Numerical Research on Droplet Drag Coefficient and Deformation Coefficient in Nuclear Power Plants

Ru Li, Ruifeng Tian, Bowen Chen, Bo Wang
Proc. ASME. ICONE29, Volume 15: Student Paper Competition, V015T16A030, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-90656
https://doi.org/10.1115/ICONE29-90656
.... The larger the We, the smaller the DEC. Shan-Chen model of LBM is feasible for droplets with low Reynolds number (Re), while the simulation of droplets with high Re is the future prospect. numerical simulation droplet drag coefficient deformation coefficient lattice Boltzmann method Proceedings...
View Paper titled, Experimental and Numerical Research on Droplet Drag Coefficient and Deformation Coefficient in Nuclear Power Plants
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Topics: Deformation, Drag (Fluid dynamics), Drops, Lattice Boltzmann methods, Nuclear power stations
Proceedings Papers

Study on Numerical Simulation Method of Unsteady Deposition Characteristics of Particles in Surface Filtration

Song Ma, Zhongning Sun, Yanmin Zhou, Haifeng Gu, Lintai Li
Proc. ASME. ICONE29, Volume 15: Student Paper Competition, V015T16A106, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-93003
https://doi.org/10.1115/ICONE29-93003
..., a numerical simulation method is developed for the unsteady deposition characteristics of particles in the surface filtration. The parcel injection model is applied to accelerate the formation and growth process of dust cake on the surface of fiber filter. A series of subroutines running in FLUENT environment...
View Paper titled, Study on <span class="search-highlight">Numerical</span> <span class="search-highlight">Simulation</span> Method of Unsteady Deposition Characteristics of Particles in Surface Filtration
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Topics: Aerosols, Computer simulation, Filtration, Particulate matter
Proceedings Papers

Complementary Simulations to Determine Heat Transfer Coefficients and the Maximum Heat Flux in Multi-Nozzle Spray Cooling Experiments

Yuxuan Du, Satya V. Ravikumar Bandaru, Walter Villanueva
Proc. ASME. ICONE29, Volume 5: Nuclear Safety, Security, and Cyber Security, V005T05A002, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-89086
https://doi.org/10.1115/ICONE29-89086
... for a successful IVR-ERVC for high-power reactors. At the same time, the maximum temperature on the dry side at the highest input power is still much lower than the expected failure temperature of the sample material. multi-nozzle spray cooling numerical simulation heat transfer coefficient maximum heat...
View Paper titled, Complementary Simulations to Determine Heat Transfer Coefficients and the Maximum Heat Flux in Multi-Nozzle Spray Cooling Experiments
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Topics: Computer simulation, Cooling, Engineering simulation, Heat flux, Heat transfer coefficients, Nozzles, Simulation, Sprays, Temperature profiles
Proceedings Papers

Numerical Simulation on the Flow-Induced Vibration of Two Square Cylinders in Staggered Arrangement

Yidong Wu, Li Shi, Xinxin Wu, Xiaoxin Wang
Proc. ASME. ICONE29, Volume 10: Advanced Methods of Manufacturing for Nuclear Reactors and Components, V010T10A042, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-92963
https://doi.org/10.1115/ICONE29-92963
... investigated to guide the design, processing and manufacture of heat transfer components. Numerical simulation on the FIV of two square cylinders in staggered arrangement was carried out at Reynolds number Re = 100 with the mass ratio of 20. The wake structures of two square cylinders in different arrangements...
View Paper titled, <span class="search-highlight">Numerical</span> <span class="search-highlight">Simulation</span> on the Flow-Induced Vibration of Two Square Cylinders in Staggered Arrangement
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Topics: Computer simulation, Cylinders, Flow-induced vibrations
Proceedings Papers

Numerical Simulation of Reactor Neutron Noise Based on Discrete Ordinate Finite Element Method

Baoxin Yuan, Xin Luo, Herong Zeng, Huan Huang, Jie Zheng, Wankui Yang, Songbao Zhang, Bin Zhong, Junxia Wei, Yangjun Ying
Proc. ASME. ICONE29, Volume 2: Nuclear Fuel and Material, Reactor Physics and Transport Theory, and Fuel Cycle Technology, V002T02A036, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-91726
https://doi.org/10.1115/ICONE29-91726
...Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022, Virtual, Online ICONE29-91726 NUMERICAL SIMULATION OF REACTOR NEUTRON NOISE BASED ON DISCRETE ORDINATE FINITE ELEMENT METHOD Baoxin Yuan1,2, Xin Luo1, Herong Zeng1, Huan Huang1, Jie Zheng1...
View Paper titled, <span class="search-highlight">Numerical</span> <span class="search-highlight">Simulation</span> of Reactor Neutron Noise Based on Discrete Ordinate Finite Element Method
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Topics: Computer simulation, Finite element analysis, Finite element methods, Neutrons, Noise (Sound)