Volumes | International Conference on Nuclear Engineering | American Society of Mechanical Engineers Digital Collection

Topics: Design , Integer programming , Manufacturing , Modular construction , Optimization , Small modular reactors , Pressurized water reactors , Construction , Industrial plants , Nuclear power stations

Research on Natural Convection of Two-Layer Corium Pools

Simin Luo, Hongping Sun, Yapei Zhang, Junmei Wu, Suizheng Qiu, Guanghui Su

ICONE 2020; V003T12A005https://doi.org/10.1115/ICONE2020-16083

Abstract

View Articletitled, Research on Natural Convection of Two-Layer Corium Pools

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Topics: Natural convection

Neutronic and Thermal-Mechanical Coupling Schemes for Heat Pipe Cooled Reactor Designs

Yugao Ma, Minyun Liu, Wenbin Han, Biheng Xie, Xiaoming Chai, Shanfang Huang, Hongxing Yu

ICONE 2020; V003T12A006https://doi.org/10.1115/ICONE2020-16100

Abstract

View Articletitled, Neutronic and Thermal-Mechanical Coupling Schemes for Heat Pipe Cooled Reactor Designs

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Topics: Heat pipes , Feedback , Geometry , Heat transfer , Construction , Design , Finite element analysis , Finite element methods , High temperature , Light water reactors

Inverse Heat Conduction Problem in Estimating NPP Pipeline Performance

Salvatore A. Cancemi, Rosa Lo Frano

ICONE 2020; V003T12A007https://doi.org/10.1115/ICONE2020-16129

Abstract

View Articletitled, Inverse Heat Conduction Problem in Estimating NPP Pipeline Performance

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Topics: Heat conduction , Monitoring systems , Nuclear power stations , Pipelines , Stress , Temperature , Transients (Dynamics) , Heat transfer , Pipes , Safety

Point Defect Effects on Tensile Strength of BCC-Fe Studied by Molecular Dynamics

Pandong Lin, Junfeng Nie, Meidan Liu

ICONE 2020; V003T12A008https://doi.org/10.1115/ICONE2020-16162

Abstract

View Articletitled, Point Defect Effects on Tensile Strength of BCC-Fe Studied by Molecular Dynamics

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Topics: Molecular dynamics , Tensile strength

Flow Pattern Transition Criteria for Upward Two-Phase Flow in Annulus

He Wen, Zhao Chenru, Bo Hanliang

ICONE 2020; V003T12A009https://doi.org/10.1115/ICONE2020-16174

Abstract

View Articletitled, Flow Pattern Transition Criteria for Upward Two-Phase Flow in Annulus

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Topics: Annulus , Flow (Dynamics) , Two-phase flow

Numerical Investigation on Turbulence Models in Bubbly Flow Using Euler-Lagrange Approach

Yujia Zhou, Jingyu Du, Chenru Zhao, Hanliang Bo

ICONE 2020; V003T12A010https://doi.org/10.1115/ICONE2020-16212

Abstract

View Articletitled, Numerical Investigation on Turbulence Models in Bubbly Flow Using Euler-Lagrange Approach

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Topics: Bubbles , Bubbly flow , Turbulence

Aerosol Decontamination Behavior in Two Phase Flow During Pool Scrubbing

Kohei Yoshida, Kota Fujiwara, Yuki Nakamura, Akiko Kaneko, Yutaka Abe

ICONE 2020; V003T12A011https://doi.org/10.1115/ICONE2020-16216

Abstract

View Articletitled, Aerosol Decontamination Behavior in Two Phase Flow During Pool Scrubbing

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Topics: Accidents , Aerosols , Decontamination , Two-phase flow

Experimental Investigation of Behavior of Impinging Liquid Jet in a Shallow Pool by 3D-LIF

Sota Yamamura, Fumihito Kimura, Hiroyuki Yoshida, Akiko Kaneko, Yutaka Abe

ICONE 2020; V003T12A012https://doi.org/10.1115/ICONE2020-16233

Abstract

View Articletitled, Experimental Investigation of Behavior of Impinging Liquid Jet in a Shallow Pool by 3D-LIF

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Topics: Accidents , Coolants , Drops , Flow (Dynamics) , Heat transfer , Liquid films , Shapes , Visualization , Water

Simulations of Experiments on Isothermal Containment Atmosphere Mixing Caused by Vertical Injection

Rok Krpan, Iztok Tiselj, Ivo Kljenak

ICONE 2020; V003T12A013https://doi.org/10.1115/ICONE2020-16234

Abstract

View Articletitled, Simulations of Experiments on Isothermal Containment Atmosphere Mixing Caused by Vertical Injection

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Topics: Containment , Engineering simulation , Simulation , Computational fluid dynamics , Diffusion (Physics) , Turbulence , Vessels , Air jets , Buoyancy , Computer simulation

Simulation of ENACCEF2 Premixed Hydrogen-Air Mixture Deflagration Experiment Using OpenFOAM

Justina Jaseliūnaitė, Mantas Povilaitis

ICONE 2020; V003T12A014https://doi.org/10.1115/ICONE2020-16241

Abstract

View Articletitled, Simulation of ENACCEF2 Premixed Hydrogen-Air Mixture Deflagration Experiment Using OpenFOAM

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Topics: Combustion , Explosions , Hydrogen , Simulation

Sensitivity and Uncertainty Information Incorporated Loss of Flow Accident Analyses for Research Reactors

Tao Liu, Zeyun Wu

ICONE 2020; V003T12A015https://doi.org/10.1115/ICONE2020-16242

Abstract

View Articletitled, Sensitivity and Uncertainty Information Incorporated Loss of Flow Accident Analyses for Research Reactors

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Topics: Accidents , Flow (Dynamics) , Uncertainty , Uncertainty analysis

Experimental Investigation on Temperature Characteristics of Direct Contact Condensation in a Natural Circulation System

Jianchuang Sun, Ming Ding, Zhengpeng Mi, Zhuohua Zhang

ICONE 2020; V003T12A016https://doi.org/10.1115/ICONE2020-16257

Abstract

View Articletitled, Experimental Investigation on Temperature Characteristics of Direct Contact Condensation in a Natural Circulation System

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Topics: Condensation , Subcooling , Temperature , Water hammer , Water temperature

Study on Irradiation Damage of RPV Steels Based on Coupling Cluster Dynamics and Crystal Plasticity Finite Element Method

Xiaotong Wang, Ying Luo, Yuanyuan Dong, Weihua Yao

ICONE 2020; V003T12A017https://doi.org/10.1115/ICONE2020-16272

Abstract

View Articletitled, Study on Irradiation Damage of RPV Steels Based on Coupling Cluster Dynamics and Crystal Plasticity Finite Element Method

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Topics: Crystals , Damage , Dynamics (Mechanics) , Finite element methods , Irradiation (Radiation exposure) , Plasticity , Reactor vessels , Steel

Comparative Thermal Analyses Between Theoretical Mode and RELAP5 Code Simulation for OTSG of a Small PWR

Baihui Jiang, Zhiwei Zhou, Zhaoyang Xia, Qian Sun

ICONE 2020; V003T12A018https://doi.org/10.1115/ICONE2020-16281

Abstract

View Articletitled, Comparative Thermal Analyses Between Theoretical Mode and RELAP5 Code Simulation for OTSG of a Small PWR

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Topics: Boilers , Circuits , Computer software , Construction , Design , Fluids , Heat , Heat transfer , Heat transfer coefficients , Light water reactors

Power Rising and Descending Transient for the OTSG of a Small PWR

Baihui Jiang, Zhiwei Zhou, Zhaoyang Xia, Qian Sun

ICONE 2020; V003T12A019https://doi.org/10.1115/ICONE2020-16294

Abstract

View Articletitled, Power Rising and Descending Transient for the OTSG of a Small PWR

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Topics: Flow instability , Pressurized water reactors , Transients (Dynamics) , Boilers , Flow (Dynamics) , Stability , Two-phase flow , Computer software , Fluids , Heat transfer

Validation of RELAP5/MOD3.4 for Flashing-Induced Instabilities in a Natural Circulation Loop

Yifan Xu, Minjun Peng, Genglei Xia, Yanan Zhao

ICONE 2020; V003T12A020https://doi.org/10.1115/ICONE2020-16296

Abstract

View Articletitled, Validation of RELAP5/MOD3.4 for Flashing-Induced Instabilities in a Natural Circulation Loop

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Topics: Flashing , Flow instability

Experimental Study on Two Different Gas-Liquid Separators Under Different Flow Patterns

Xiaobo Zeng, Changqi Yan, Guangming Fan, Jie Cheng, Junxiu Xu, Antai Liu

ICONE 2020; V003T12A021https://doi.org/10.1115/ICONE2020-16297

Abstract

View Articletitled, Experimental Study on Two Different Gas-Liquid Separators Under Different Flow Patterns

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Topics: Flow (Dynamics) , Separation (Technology)

Study on Scattering Correction of the ⁶⁰Co Gantry-Movable Dual-Projection Digital Radiography Inspection System

Minzi Ni, Guangchao Li, Zhentao Wang

ICONE 2020; V003T12A022https://doi.org/10.1115/ICONE2020-16320

Abstract

View Articletitled, Study on Scattering Correction of the <sup>60</sup>Co Gantry-Movable Dual-Projection Digital Radiography Inspection System

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Topics: Artificial neural networks , Electromagnetic scattering , Inspection , Radiation scattering , Scattering (Physics) , Security

Stochastic Simulation Method for Reasoning of Dynamic Uncertain Causality Graph (DUCG)

Hao Nie, Qin Zhang

ICONE 2020; V003T12A023https://doi.org/10.1115/ICONE2020-16327

Abstract

View Articletitled, Stochastic Simulation Method for Reasoning of Dynamic Uncertain Causality Graph (DUCG)

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Topics: Simulation , Algorithms , Probability , Explosions , Fault diagnosis , Nuclear power stations , Statistical distributions

Development of a Simplified Model for Aerosol Removal by Spray System of Containment

Yu Huiyu, Gu Haifeng, Chen Junyan, Sun Zhongning

ICONE 2020; V003T12A024https://doi.org/10.1115/ICONE2020-16353

Abstract

View Articletitled, Development of a Simplified Model for Aerosol Removal by Spray System of Containment

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Topics: Aerosols , Containment , Sprays , Drops , Accidents , Air flow , Dimensions , Gas flow , Instrumentation , Momentum

Numerical Study of Tritium Mitigation Strategies for Fluoride Salt-Cooled High-Temperature Reactors

Sheng Zhang, Xiao Wu, Xiaodong Sun

ICONE 2020; V003T12A025https://doi.org/10.1115/ICONE2020-16379

Abstract

View Articletitled, Numerical Study of Tritium Mitigation Strategies for Fluoride Salt-Cooled High-Temperature Reactors

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Topics: Heat exchangers , High temperature , Design , Leakage , Light water reactors , Helium , Temperature , Algorithms , Coating processes , Coatings

Numerical Simulation of Concrete Ablation and Corium Cooling for Molten Corium-Concrete Interaction (MCCI)

Zhichun Xu, Yapei Zhang, G. H. Su, Wenxi Tian, Suizheng Qiu

ICONE 2020; V003T12A026https://doi.org/10.1115/ICONE2020-16388

Abstract

View Articletitled, Numerical Simulation of Concrete Ablation and Corium Cooling for Molten Corium-Concrete Interaction (MCCI)

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Topics: Ablation (Vaporization technology) , Computer simulation , Concretes , Cooling , Light water reactors , Reactor vessels , Accidents , Cavities , Containment , Flow (Dynamics)

High Resolution 3D Simulation of Melt Jet Breakup Phenomenon Using Multi-GPU-Based Smoothed Particle Hydrodynamics Code and Comparison With Experimental Result

So-Hyun Park, Young Beom Jo, Eung Soo Kim

ICONE 2020; V003T12A027https://doi.org/10.1115/ICONE2020-16433

Abstract

View Articletitled, High Resolution 3D Simulation of Melt Jet Breakup Phenomenon Using Multi-GPU-Based Smoothed Particle Hydrodynamics Code and Comparison With Experimental Result

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Topics: Accidents , Computational fluid dynamics , Graphics processing units , Hydrodynamics , Particulate matter , Resolution (Optics) , Simulation

Validation of Analysis Models on Relocation Behavior of Molten Core Materials in Sodium-Cooled Fast Reactors Based on the Melt Discharge Experiment

Kai Igarashi, Ryoji Onuki, Takaaki Sakai, Shinya Kato, Ken-ichi Matsuba, Kenji Kamiyama

ICONE 2020; V003T12A028https://doi.org/10.1115/ICONE2020-16440

Abstract

View Articletitled, Validation of Analysis Models on Relocation Behavior of Molten Core Materials in Sodium-Cooled Fast Reactors Based on the Melt Discharge Experiment

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Topics: Accidents , Sodium fast reactors

Modeling of Low-Temperature Reduction of Metal Oxide in Hydrogen Treatment System for Severe Accidents in Nuclear Power Plants

Kotaro Nakamura, Masashi Tanabe, Satoru Abe, Takashi Mawatari, Takao Nakagaki

ICONE 2020; V003T12A029https://doi.org/10.1115/ICONE2020-16450

Abstract

View Articletitled, Modeling of Low-Temperature Reduction of Metal Oxide in Hydrogen Treatment System for Severe Accidents in Nuclear Power Plants

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Topics: Accidents , Copper , Hydrogen , Low temperature , Metals , Modeling , Nuclear power stations , Oxidation , Explosions , Water vapor

Numerical Investigation on Heat Transfer to Supercritical Water Flowing Upward in a 4-M Long Bare Vertical Circular Tube

Dong Yang, Qixian Wu, Lin Chen, Igor Pioro

ICONE 2020; V003T12A030https://doi.org/10.1115/ICONE2020-16456

Abstract

View Articletitled, Numerical Investigation on Heat Transfer to Supercritical Water Flowing Upward in a 4-M Long Bare Vertical Circular Tube

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Topics: Computer simulation , Heat transfer , Water

Evaluation of Decay Dose Rates for European DEMO Vacuum Vessel Structure

Simona Breidokaitė, Andrius Tidikas, Gediminas Stankūnas

ICONE 2020; V003T12A031https://doi.org/10.1115/ICONE2020-16465

Abstract

View Articletitled, Evaluation of Decay Dose Rates for European DEMO Vacuum Vessel Structure

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Topics: Vacuum , Vessels , Cooling , Shells , Water , Isotopes , Neutrons , Radioisotopes , Stainless steel , Design

Optimization of In-Core Detector Locations in AHWR Using Bond Energy Algorithm

Anupreethi Balajiranganathan, Anurag Gupta, Umasankari Kannan, Akhilanand Pati Tiwari

ICONE 2020; V003T12A032https://doi.org/10.1115/ICONE2020-16480

Abstract

View Articletitled, Optimization of In-Core Detector Locations in AHWR Using Bond Energy Algorithm

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Topics: Algorithms , Binding energy , Optimization , Sensors

Study on the Influence Factors of Heat Transfer Coefficient of Supercritical Water Under Different Circulation Modes

Peng Xu, Tao Zhou, Jialei Zhang, Juan Chen, Zhongguan Fu

ICONE 2020; V003T12A033https://doi.org/10.1115/ICONE2020-16509

Abstract

View Articletitled, Study on the Influence Factors of Heat Transfer Coefficient of Supercritical Water Under Different Circulation Modes

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Topics: Flow (Dynamics) , Heat transfer coefficients , Water

Dynamic PRA Based on System Codes Coupling for Passive Safety System in Integral Pressurized Water Reactor

Yi Mi, Akira Tokuhiro

ICONE 2020; V003T12A034https://doi.org/10.1115/ICONE2020-16558

Abstract

View Articletitled, Dynamic PRA Based on System Codes Coupling for Passive Safety System in Integral Pressurized Water Reactor

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Topics: Pressurized water reactors , Safety , Reliability , Condensers (steam plant) , Design , Failure , Flow (Dynamics) , Friction , Gases , Heat

Experimental Study on the Thermal Properties and Stability of Hybrid Nanofluids and Evaluation of its Heat Exchange Efficiency

Yubai Xiao, Hu Zhang, Junmei Wu

ICONE 2020; V003T12A035https://doi.org/10.1115/ICONE2020-16630

Abstract

View Articletitled, Experimental Study on the Thermal Properties and Stability of Hybrid Nanofluids and Evaluation of its Heat Exchange Efficiency

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Topics: Heat , Nanofluids , Stability , Thermal properties , Water , Thermal conductivity , Heat transfer , Fluids , Accidents , Vessels

Direct Numerical Simulation of Fluid Flow in a 5x5 Square Rod Bundle Using Nek5000

Adam Kraus, Elia Merzari, Thomas Norddine, Oana Marin, Sofiane Benhamadouche

ICONE 2020; V003T12A036https://doi.org/10.1115/ICONE2020-16643

Abstract

View Articletitled, Direct Numerical Simulation of Fluid Flow in a 5x5 Square Rod Bundle Using Nek5000

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Topics: Computer simulation , Fluid dynamics , Fuel rods , Kinetic energy , Turbulence

Experimental Validation of CFD Models Capturing the Thermal-Hydraulics in Liquid Metal Cooled Reactor Plena

Brendan Ward, Thomas Hopkins, Hitesh Bindra

ICONE 2020; V003T12A037https://doi.org/10.1115/ICONE2020-16661

Abstract

View Articletitled, Experimental Validation of CFD Models Capturing the Thermal-Hydraulics in Liquid Metal Cooled Reactor Plena

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Topics: Computational fluid dynamics , Liquid metals , Thermal hydraulics , Computer simulation , Fluids , Gates (Closures) , Safety , Simulation , Acoustics , Backscattering

A Review of Degradation Modeling of Key Components of Sensor Circuits Based on Physical Analysis

Yonlong Zhu, Xiaojin Huang, Shuqiao Zhou

ICONE 2020; V003T12A038https://doi.org/10.1115/ICONE2020-16677

Abstract

View Articletitled, A Review of Degradation Modeling of Key Components of Sensor Circuits Based on Physical Analysis

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Topics: Capacitors , Circuits , Modeling , Resistors , Sensors

Experimental Study on Transient Heat Transfer for Helium Gas Flowing in a Minichannel

Feng Xu, Qiusheng Liu, Satoshi Kawaguchi, Makoto Shibahara

ICONE 2020; V003T12A039https://doi.org/10.1115/ICONE2020-16697

Abstract

View Articletitled, Experimental Study on Transient Heat Transfer for Helium Gas Flowing in a Minichannel

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Topics: Helium , Transient heat transfer , Heat , Flow (Dynamics) , Temperature , Heat flux , Heat transfer coefficients , Transients (Dynamics) , Control systems , Flowmeters

Heat Transfer and Fluid Flow Characteristic of One Side Heated Vertical Rectangular Channel That Inserted Thin Metallic Wire

Gota Suga, Tetsuaki Takeda

ICONE 2020; V003T12A040https://doi.org/10.1115/ICONE2020-16705

Abstract

View Articletitled, Heat Transfer and Fluid Flow Characteristic of One Side Heated Vertical Rectangular Channel That Inserted Thin Metallic Wire

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Topics: Fluid dynamics , Heat transfer , Wire , Very high temperature reactors , Flow (Dynamics) , Natural convection , Cooling , Cooling systems , Copper , Gas turbines

Analysis of Reactivity Accidents in Modular HTGRs

Jacob P. Gorton, Nicholas R. Brown

ICONE 2020; V003T12A041https://doi.org/10.1115/ICONE2020-16731

Abstract

View Articletitled, Analysis of Reactivity Accidents in Modular HTGRs

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Topics: Accidents , Very high temperature reactors

Flow Characteristics of Upward Two-Phase Flows in a Rod Bundle Geometry

Xu Han, Xiuzhong Shen, Toshihiro Yamamoto, Ken Nakajima, Takashi Hibiki

ICONE 2020; V003T12A042https://doi.org/10.1115/ICONE2020-16740

Abstract

View Articletitled, Flow Characteristics of Upward Two-Phase Flows in a Rod Bundle Geometry

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Topics: Flow (Dynamics) , Fuel rods , Geometry , Two-phase flow , Information Analysis Centers , Bubbles , Porosity , Probes , Sensors , Shapes

Development of a Selection Tool for Choosing Decontamination Technology for Canadian Applications

Raj Khurmi, Richard Carlisle, Glenn Harvel

ICONE 2020; V003T12A043https://doi.org/10.1115/ICONE2020-16760

Abstract

View Articletitled, Development of a Selection Tool for Choosing Decontamination Technology for Canadian Applications

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Topics: Computer software , Decontamination , Nuclear decommissioning

Irradiation Induced Crosslinking in “Green” Polylactic-Acid (PLA) Polymers for Enhanced Strength and Elevated Temperature Applications

W. Jiang, A. Bakken, R. P. Taleyarkhan

ICONE 2020; V003T12A044https://doi.org/10.1115/ICONE2020-16767

Abstract

View Articletitled, Irradiation Induced Crosslinking in “Green” Polylactic-Acid (PLA) Polymers for Enhanced Strength and Elevated Temperature Applications

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Topics: Adhesives , Irradiation (Radiation exposure) , Polymers , Temperature , Photons , Testing , Accidents , Bond strength , Bonding , Construction

Numerical Study of Fuel Melting and Molten Migration Based on the MPS Method

Zhong Lei, Jian Deng, Wei Li, Xiaoli Wu, Chunrui Deng

ICONE 2020; V003T12A045https://doi.org/10.1115/ICONE2020-16806

Abstract

View Articletitled, Numerical Study of Fuel Melting and Molten Migration Based on the MPS Method

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Topics: Accidents , Fuels , High temperature , Melting , Particulate matter , Solidification

Uncertainty Quantification for the Development of Mechanistic Hydride Behavior Model for Spent Fuel Cladding Storage and Transportation

Edward M. Duchnowski, Seokbin Seo, Nicholas R. Brown

ICONE 2020; V003T12A046https://doi.org/10.1115/ICONE2020-16812

Abstract

View Articletitled, Uncertainty Quantification for the Development of Mechanistic Hydride Behavior Model for Spent Fuel Cladding Storage and Transportation

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Topics: Cladding systems (Building) , Spent nuclear fuels , Storage , Transportation systems , Uncertainty quantification , Hydrogen , Diffusion (Physics) , Fuels , Temperature profiles , Uncertainty

Research on Analysis and Modeling Methods for LBLOCA in Nuclear Power Plants Based on Autonomous LOCA Analysis Platform ARSAC

Jiayue Zhou, Dan Wu, Shuhua Ding, Guangming Jiang

ICONE 2020; V003T12A047https://doi.org/10.1115/ICONE2020-16820

Abstract

View Articletitled, Research on Analysis and Modeling Methods for LBLOCA in Nuclear Power Plants Based on Autonomous LOCA Analysis Platform ARSAC

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Topics: Modeling , Nuclear power stations

Experiment and Analysis on Isolation Condenser Simulator Using Pressurized Steam

Kosuke Ono, Yasunori Yamamoto, Masayoshi Mori, Tetsuya Takada

ICONE 2020; V003T12A048https://doi.org/10.1115/ICONE2020-16842

Abstract

View Articletitled, Experiment and Analysis on Isolation Condenser Simulator Using Pressurized Steam

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Topics: Condensation , Condensers (steam plant) , Heat transfer , High pressure (Physics) , Steam

Critical Conditions for Secondary Droplets Generated by Droplets Colliding Walls With Different Angles

Yikai Wu, Wenxuan Ju, Yusheng Liu, Fulong Zhao, Sichao Tan

ICONE 2020; V003T12A049https://doi.org/10.1115/ICONE2020-16864

Abstract

View Articletitled, Critical Conditions for Secondary Droplets Generated by Droplets Colliding Walls With Different Angles

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Topics: Drops , Steam , Water

Anomaly Detection for Network Traffic of I&C Systems Based on Neural Network

Wen Si, Jianghai Li, Ronghong Qu, Xiaojin Huang

ICONE 2020; V003T12A050https://doi.org/10.1115/ICONE2020-16900

Abstract

View Articletitled, Anomaly Detection for Network Traffic of I&C Systems Based on Neural Network

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Topics: Artificial neural networks , Traffic

Modeling the Flow Redistribution Upstream From the Spacer Grid of a PWR

Stanislas de Lambert, Jérome Cardolaccia, Vincent Faucher

ICONE 2020; V003T12A051https://doi.org/10.1115/ICONE2020-16927

Abstract

View Articletitled, Modeling the Flow Redistribution Upstream From the Spacer Grid of a PWR

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Topics: Deformation , Flow (Dynamics) , Fuels , Modeling , Pressurized water reactors , Geometry , Manufacturing , Pressure , Computational fluid dynamics , Engineering simulation

Computational Fluid Dynamics Simulation of a Single-Phase Rectangular Thermosiphon

Tri Nguyen, Elia Merzari

ICONE 2020; V003T12A052https://doi.org/10.1115/ICONE2020-16934

Abstract

View Articletitled, Computational Fluid Dynamics Simulation of a Single-Phase Rectangular Thermosiphon

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Topics: Computational fluid dynamics , Simulation

Study on Seismic Isolation and Hi-Frequency Vibration Isolation Technology for Equipment in Nuclear Power Plant Using Aero Floating Technique

Kiyotaka Takito, Osamu Furuya, Hiroshi Kurabayashi, Kunio Sanpei

ICONE 2020; V003T12A053https://doi.org/10.1115/ICONE2020-16940

Abstract

View Articletitled, Study on Seismic Isolation and Hi-Frequency Vibration Isolation Technology for Equipment in Nuclear Power Plant Using Aero Floating Technique

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Topics: Earthquakes , Nuclear power stations , Vibration isolation , Vibration , Collisions (Physics) , Countermeasures , Insulation , Levitation , Pressure

Experimental Study for Evaluation of Spreading Behavior of Free-Falling Molten Core With Floor Impingement

Tomomasa Ito, Yuta Watanabe, Yasunori Yamamoto, Nassim Sahboun, Shuichiro Miwa

ICONE 2020; V003T12A054https://doi.org/10.1115/ICONE2020-16942

Abstract

View Articletitled, Experimental Study for Evaluation of Spreading Behavior of Free-Falling Molten Core With Floor Impingement

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Topics: Accidents , Dimensionless numbers , Errors , Metals , Nuclear decommissioning , Tin , Uncertainty

Thermal-Hydraulics

Experimental Study of Temperature and Heating Power Variations on Natural Circulation Flow Phenomena in a Closed Rectangular Loop With Single Heating Channel

Solomon Bello, Puzhen Gao, Yuqi Lin

ICONE 2020; V003T13A001https://doi.org/10.1115/ICONE2020-16004

Abstract

View Articletitled, Experimental Study of Temperature and Heating Power Variations on Natural Circulation Flow Phenomena in a Closed Rectangular Loop With Single Heating Channel

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Topics: Flow (Dynamics) , Heating , Pressure drop , Temperature

Study on Breakdown Features and Characteristics of Film at the Corrugated Plate Corner

Bo Wang, Bowen Chen, Bingzheng Ke, Ru Li, Gongqing Wang, Ruifeng Tian, Chuan Lu

ICONE 2020; V003T13A002https://doi.org/10.1115/ICONE2020-16005

Abstract

View Articletitled, Study on Breakdown Features and Characteristics of Film at the Corrugated Plate Corner

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Topics: Corners (Structural elements) , Film thickness , Separation (Technology) , Steam , Water , Air flow , Flow (Dynamics) , Liquid films , Reynolds number , Boilers

A New Safety Margin Evaluation Method: Quality Margin Method

Zhao Minfu, Duan Minghui, Lv Yufeng

ICONE 2020; V003T13A003https://doi.org/10.1115/ICONE2020-16031

Abstract

View Articletitled, A New Safety Margin Evaluation Method: Quality Margin Method

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Topics: Critical heat flux , Evaluation methods , Safety , Design , Heat , Nucleate boiling , Accidents , Computational methods , Flux (Metallurgy) , Heating

Investigation of VVER-440 Confinement Response During DBA After Leaktightness Improvement

Hovhannes Hovhannisyan, Tsolak Malakyan, Armen Amirjanyan

ICONE 2020; V003T13A004https://doi.org/10.1115/ICONE2020-16038

Abstract

View Articletitled, Investigation of VVER-440 Confinement Response During DBA After Leaktightness Improvement

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Topics: Accidents , Cavitation , Design , Emergency core cooling systems , Nuclear power stations , Pumps , Safety , Sprays

Demonstration of Multi-Physics Evaluation of Fuel Rod Burst Probability With Burnup Extension Under LBLOCA Conditions

Hongbin Zhang, Cole Blakely, Jianguo Yu

ICONE 2020; V003T13A005https://doi.org/10.1115/ICONE2020-16098

Abstract

View Articletitled, Demonstration of Multi-Physics Evaluation of Fuel Rod Burst Probability With Burnup Extension Under LBLOCA Conditions

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Topics: Fuel rods , Physics , Probability , Accidents , Cycles , Light water reactors , Coolants , Design , Fuels , Pressurized water reactors

Interfacial Area Transport Model for Bubbly Flow System in Vertical Rod Bundle With Spacer Grids

Hang Liu, Jianyong Lai, Yi Li, Yulong Zhang, Minghao Liu, Liangming Pan

ICONE 2020; V003T13A006https://doi.org/10.1115/ICONE2020-16108

Abstract

View Articletitled, Interfacial Area Transport Model for Bubbly Flow System in Vertical Rod Bundle With Spacer Grids

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Topics: Bubbles , Bubbly flow , Collisions (Physics) , Fuel rods

Experimental Study on Natural Convection Heat Transfer Outside Tube Bundle in Space Under Low Temperature Difference

Junxiu Xu, Ming Ding, Changqi Yan, Guangming Fan

ICONE 2020; V003T13A007https://doi.org/10.1115/ICONE2020-16109

Abstract

View Articletitled, Experimental Study on Natural Convection Heat Transfer Outside Tube Bundle in Space Under Low Temperature Difference

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Topics: Heat transfer , Low temperature , Natural convection

Experimental Study of Thermal and Hydraulic Characteristics of Pressurizer-Type Heating Container During Blowdown Process

Bingzheng Ke, Puzhen Gao, Bo Wang, Bowen Chen, Ru Li, Ruifeng Tian, Kun Cheng, Chuan Lu

ICONE 2020; V003T13A008https://doi.org/10.1115/ICONE2020-16117

Abstract

View Articletitled, Experimental Study of Thermal and Hydraulic Characteristics of Pressurizer-Type Heating Container During Blowdown Process

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Topics: Containers , Heating

Effects of Rolling on Characteristics of System Under Forced Circulation and Natural Circulation

Rong Cai, Nina Yue, Hongyu Fang, Baowen Chen, Lili Liu, Zehua Ma

ICONE 2020; V003T13A009https://doi.org/10.1115/ICONE2020-16164

Abstract

View Articletitled, Effects of Rolling on Characteristics of System Under Forced Circulation and Natural Circulation

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Topics: Nuclear power stations , Nuclear reactors , Simulation results , Thermal hydraulics , Waves , Wind

Experimental Investigation of Particle Decontamination Efficiency in a Single-Bubble by Pool Scrubbing

Kota Fujiwara, Yuki Nakamura, Kohei Yoshida, Akiko Kaneko, Yutaka Abe

ICONE 2020; V003T13A010https://doi.org/10.1115/ICONE2020-16173

Abstract

View Articletitled, Experimental Investigation of Particle Decontamination Efficiency in a Single-Bubble by Pool Scrubbing

PDF

Topics: Accidents , Bubbles , Decontamination , Particulate matter

Experimental Study of the Processes of Gas-Steam Pressurizer Insurge Transients

Wang Bolong, Li Weihua, Jia Haijun, Li Jun, Hao Wentao

ICONE 2020; V003T13A011https://doi.org/10.1115/ICONE2020-16183

Abstract

View Articletitled, Experimental Study of the Processes of Gas-Steam Pressurizer Insurge Transients

PDF

Topics: Pressure , Steam , Transients (Dynamics)

Experimental Study of Pure Steam and Steam-Air Mixture Condensation on a Vertical Chrome-Plated Tube

Zesheng Niu, Guangming Fan, Jie Cheng, Wei Li

ICONE 2020; V003T13A012https://doi.org/10.1115/ICONE2020-16204

Abstract

View Articletitled, Experimental Study of Pure Steam and Steam-Air Mixture Condensation on a Vertical Chrome-Plated Tube

PDF

Topics: Condensation , Heat transfer , Steam

Numerical Study of Collision Behavior of Melt Drops During Fuel-Coolant Interaction

Panpan Wen, Gen Li, Jinchen Gao, Yupeng Li, Akifumi Yamaji, Junjie Yan

ICONE 2020; V003T13A013https://doi.org/10.1115/ICONE2020-16206

Abstract

View Articletitled, Numerical Study of Collision Behavior of Melt Drops During Fuel-Coolant Interaction

PDF

Topics: Collisions (Physics) , Computer simulation , Coolants , Drops , Fuels

An Experimental Study of Two-Phase Flow in a Tight Lattice Using Wire-Mesh Sensor

Hengwei Zhang, Yao Xiao, Hanyang Gu

ICONE 2020; V003T13A014https://doi.org/10.1115/ICONE2020-16211

Abstract

View Articletitled, An Experimental Study of Two-Phase Flow in a Tight Lattice Using Wire-Mesh Sensor

PDF

Topics: Bubbles , Porosity , Sensors , Two-phase flow , Water , Wire mesh

The Dependence of Pool Scrubbing Decontamination Factor on Particle Number Density: Modeling Based on Bubble Mass and Energy Balance

Yasuteru Sibamoto, Haomin Sun, Yoshiyasu Hirose, Yutaka Kukita

ICONE 2020; V003T13A015https://doi.org/10.1115/ICONE2020-16223

Abstract

View Articletitled, The Dependence of Pool Scrubbing Decontamination Factor on Particle Number Density: Modeling Based on Bubble Mass and Energy Balance

PDF

Topics: Bubbles , Condensation , Decontamination , Density , Energy budget (Physics) , Modeling , Particulate matter

Experimental Study on Flow Patterns of Decaying Swirling Gas-Liquid Flow in a Horizontal Pipe

Shuai Liu, Li Liu, Jiarong Zhang, Hanyang Gu

ICONE 2020; V003T13A016https://doi.org/10.1115/ICONE2020-16224

Abstract

View Articletitled, Experimental Study on Flow Patterns of Decaying Swirling Gas-Liquid Flow in a Horizontal Pipe

PDF

Topics: Flow (Dynamics) , Pipes , Swirling flow , Separation (Technology) , Water , Bubbles , Chain , Design , Drops , Fluids

Friction Factor Correlation for Molten Metals Flow in a 3-Rod Bundle in Cylindrical Shroud, With Smooth and Scalloped Inner Wall

Timothy Schriener, Mohamed S. El-Genk

ICONE 2020; V003T13A017https://doi.org/10.1115/ICONE2020-16239

Abstract

View Articletitled, Friction Factor Correlation for Molten Metals Flow in a 3-Rod Bundle in Cylindrical Shroud, With Smooth and Scalloped Inner Wall

PDF

Topics: Computational fluid dynamics , Flow (Dynamics) , Friction , Metals , Pressure

Experimental Study on the Sub-Channel Void Fraction Characteristics of Bubbly Flow in Rod Bundles

Quan-yao Ren, Zeng-ping Pu, Mei-yin Zheng, Min Su, Ping Chen, Liang-ming Pan, Hui He, Qing-che He

ICONE 2020; V003T13A018https://doi.org/10.1115/ICONE2020-16315

Abstract

View Articletitled, Experimental Study on the Sub-Channel Void Fraction Characteristics of Bubbly Flow in Rod Bundles

PDF

Topics: Bubbly flow , Fuel rods , Porosity

The Experimental Study of Single Droplet Impinging on an Inclined Heated Wall

Wenlong Tian, Huang Zhang, Qianfeng Liu, Guang Hu, Wen He

ICONE 2020; V003T13A019https://doi.org/10.1115/ICONE2020-16346

Abstract

View Articletitled, The Experimental Study of Single Droplet Impinging on an Inclined Heated Wall

PDF

Topics: Boiling , Drops , Shrinkage (Materials) , Wall temperature , Energy conservation , Flow (Dynamics)

Study on Natural Circulation Flow Instabilities in Rod Bundle Channel Under Rolling Condition

Kun Cheng, Jian Deng, Rong Cai, Libo Qian, Peiyao Qi, Bingzheng Ke

ICONE 2020; V003T13A020https://doi.org/10.1115/ICONE2020-16362

Abstract

View Articletitled, Study on Natural Circulation Flow Instabilities in Rod Bundle Channel Under Rolling Condition

PDF

Topics: Flow instability , Fuel rods , Oscillations , Flow (Dynamics) , Heating , Pressure , Subcooling , Testing , Two-phase flow , Vapors

Numerical Study on Discharging Characteristics of Pebble Cluster Flow in Pebble Bed

Liang Ge, Nan Gui, Xingtuan Yang, Jiyuan Tu, Shengyao Jiang

ICONE 2020; V003T13A021https://doi.org/10.1115/ICONE2020-16364

Abstract

View Articletitled, Numerical Study on Discharging Characteristics of Pebble Cluster Flow in Pebble Bed

PDF

Topics: Flow (Dynamics) , Particulate matter , Discrete element methods , Gravity (Force) , Packing (Shipments) , Packings (Cushioning) , Simulation

Experimental Study on Gravity Driven Discharging of Quasi-Two-Dimensional Pebble Bed Based on Mathematical Morphology

Yujia Liu, Sifan Peng, Nan Gui, Xingtuan Yang, Jiyuan Tu, Shengyao Jiang

ICONE 2020; V003T13A022https://doi.org/10.1115/ICONE2020-16367

Abstract

View Articletitled, Experimental Study on Gravity Driven Discharging of Quasi-Two-Dimensional Pebble Bed Based on Mathematical Morphology

PDF

Topics: Flow (Dynamics) , Gravity (Force) , Particulate matter

Experimental Study of Bubble Behaviour in a Flowing Liquid Layer

Zhengzheng Zhang, Liangxing Li, Shuanglei Zhang, Afnan Saleem

ICONE 2020; V003T13A023https://doi.org/10.1115/ICONE2020-16397

Abstract

View Articletitled, Experimental Study of Bubble Behaviour in a Flowing Liquid Layer

PDF

Topics: Bubbles

Analysis of the Behavior of Droplet Impinging on a Curved Dry Wall in a Rotating Flow Field

Shuo Ouyang, Zhenqin Xiong

ICONE 2020; V003T13A024https://doi.org/10.1115/ICONE2020-16404

Abstract

View Articletitled, Analysis of the Behavior of Droplet Impinging on a Curved Dry Wall in a Rotating Flow Field

PDF

Topics: Drops , Flow (Dynamics) , Image processing , Steam , Water

Experimental Investigation on Gas Mixing and Stratification in Containment Influenced by External Cooling

Ying Li, Wei Xue, Xuewu Cao, Lili Tong

ICONE 2020; V003T13A025https://doi.org/10.1115/ICONE2020-16430

Abstract

View Articletitled, Experimental Investigation on Gas Mixing and Stratification in Containment Influenced by External Cooling

PDF

Topics: Condensation , Containment , Cooling , Hydrogen , Steam

Influence of Gas Properties on Gas-Liquid Two-Phase Flow

Miki Saito, Taizo Kanai, Satoshi Nishimura, Yoshihisa Nishi

ICONE 2020; V003T13A026https://doi.org/10.1115/ICONE2020-16434

Abstract

View Articletitled, Influence of Gas Properties on Gas-Liquid Two-Phase Flow

PDF

Topics: Sensors , Two-phase flow , Wire mesh

Neutronics and Thermal Hydraulics Coupled 3-D Calculation of Pressure-Tube Deformation

Eunhyun Ryu, Hangyu Joo, Seungyul Yoo, Jongyub Jung

ICONE 2020; V003T13A027https://doi.org/10.1115/ICONE2020-16514

Abstract

View Articletitled, Neutronics and Thermal Hydraulics Coupled 3-D Calculation of Pressure-Tube Deformation

PDF

Topics: Deformation , Heavy water reactors , Pressure , Thermal hydraulics

Thermal-Hydraulic Design Support and Safety Analyses of SEALER UK Demo

Kevin Zwijsen, Heleen Uitslag-Doolaard, Ferry Roelofs, Janne Wallenius

ICONE 2020; V003T13A028https://doi.org/10.1115/ICONE2020-16526

Abstract

View Articletitled, Thermal-Hydraulic Design Support and Safety Analyses of SEALER UK Demo

PDF

Topics: Computational fluid dynamics , Design , Safety , Computer simulation , Energy generation , Engineering simulation , Flow (Dynamics) , Freezing , Geometry , Light water reactors

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

Thien Nguyen, Rodolfo Vaghetto, Yassin Hassan

ICONE 2020; V003T13A029https://doi.org/10.1115/ICONE2020-16570

Abstract

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

PDF

Topics: Fuel rods , Turbulence , Flow (Dynamics) , Fuels , Wire , Coolants , Heat transfer , Manufacturing , Cladding systems (Building) , Deformation

Thermal Safety Margin Calculation of the MP-2 Experiment in the Advanced Test Reactor

Grant L. Hawkes

ICONE 2020; V003T13A030https://doi.org/10.1115/ICONE2020-16592

Abstract

View Articletitled, Thermal Safety Margin Calculation of the MP-2 Experiment in the Advanced Test Reactor

PDF

Topics: Fuels , Irradiation (Radiation exposure) , Safety , Cycles , Plates (structures) , Transients (Dynamics) , Heat , Aluminum , Finite element analysis , Thermal analysis

Thermal-Hydraulic Investigations of a Horizontal Dry Cask Simulator

Ramon J. M. Pulido, Eric R. Lindgren, Samuel G. Durbin, Alex Salazar

ICONE 2020; V003T13A031https://doi.org/10.1115/ICONE2020-16598

Abstract

View Articletitled, Thermal-Hydraulic Investigations of a Horizontal Dry Cask Simulator

PDF

Topics: Air flow , Cladding systems (Building) , Cooling , Gases , Heat conduction , Model validation , Physics , Spent nuclear fuels , Storage , Temperature

Calculation of Critical Heat Flux Using an Inverse Heat Transfer Method to Support TREAT Experiment Analysis

Robert Armstrong, Charles Folsom, Connie Hill, Colby Jensen

ICONE 2020; V003T13A032https://doi.org/10.1115/ICONE2020-16632

Abstract

View Articletitled, Calculation of Critical Heat Flux Using an Inverse Heat Transfer Method to Support TREAT Experiment Analysis

PDF

Topics: Critical heat flux , Experimental analysis , Heat transfer , Transients (Dynamics)

Experimental Investigations on Thermal Stratification in a Large Pool of Water With Immersed Isolation Condenser

Sunil Kumar, P. K. Vijayan, R. B. Grover, U. Kannan, Harekrishna Yadav, A. Agrawal

ICONE 2020; V003T13A033https://doi.org/10.1115/ICONE2020-16647

Abstract

View Articletitled, Experimental Investigations on Thermal Stratification in a Large Pool of Water With Immersed Isolation Condenser

PDF

Topics: Condensers (steam plant) , Thermal stratification , Water , Heat , Heat exchangers , Boiling , Density , Gravity (Force) , Heavy water reactors , Hot water

Experimental Study of Boiling Characteristics of Seawater After an Accidental Shutdown of the Pump

Yuanjie Li, Shuai Ren, Chin Pan

ICONE 2020; V003T13A034https://doi.org/10.1115/ICONE2020-16648

Abstract

View Articletitled, Experimental Study of Boiling Characteristics of Seawater After an Accidental Shutdown of the Pump

PDF

Topics: Boiling , Heat transfer , Pumps , Seawater

Thermal-Hydraulic Performance Analysis of Fluid Flow in Tube With Helical Screw Inserts in Transition Flow

Shashank Ranjan Chaurasia, R. M. Sarviya

ICONE 2020; V003T13A035https://doi.org/10.1115/ICONE2020-16649

Abstract

View Articletitled, Thermal-Hydraulic Performance Analysis of Fluid Flow in Tube With Helical Screw Inserts in Transition Flow

PDF

Topics: Flow (Dynamics) , Fluid dynamics , Friction , Heat exchangers , Screws , Strips

An Integrated Experimental Test Facility to Support Development of the Passive Containment Cooling System of HPR1000

Wei Li, Shuhong Du, Weiquan Gu, Nan Zhang, Ming Ding, Zhongning Sun, Zhaoming Meng

ICONE 2020; V003T13A036https://doi.org/10.1115/ICONE2020-16678

Abstract

View Articletitled, An Integrated Experimental Test Facility to Support Development of the Passive Containment Cooling System of HPR1000

PDF

Topics: Containment , Cooling systems , Test facilities

Investigation on Velocity Distribution in the Subchannels of Pin Bundle With Wrapping Wire: Evaluation of Reynolds Number Dependence in 3-Pin Bundle

Kosuke Aizawa, Tomoyuki Hiyama, Masahiro Nishimura, Akikazu Kurihara, Katsuji Ishida

ICONE 2020; V003T13A037https://doi.org/10.1115/ICONE2020-16679

Abstract

View Articletitled, Investigation on Velocity Distribution in the Subchannels of Pin Bundle With Wrapping Wire: Evaluation of Reynolds Number Dependence in 3-Pin Bundle

PDF

Topics: Reynolds number , Wire

Experimental Investigation of the Transient Pool Boiling Heat Transfer on the Quenching of Vertical Rodlet in Water

Zefeng Wang, Jian Deng, Libo Qian, Rong Cai, Jinbiao Xiong, Lei Zhong, Yugao Ma

ICONE 2020; V003T13A038https://doi.org/10.1115/ICONE2020-16709

Abstract

View Articletitled, Experimental Investigation of the Transient Pool Boiling Heat Transfer on the Quenching of Vertical Rodlet in Water

PDF

Topics: Heat transfer , Pool boiling , Quenching (Metalworking) , Transients (Dynamics) , Water , Temperature , Film boiling , Zirconium , Thermocouples , Accidents

Investigation of Turbulent Prt Model and the Segmentation Rule for LBE Turbulent Heat Transfer

Li Peiying, Deng Jian, Zhong Lei, Qian Libo, Cai Rong, Ma Yugao, Yu Hongxing

ICONE 2020; V003T13A039https://doi.org/10.1115/ICONE2020-16724

Abstract

View Articletitled, Investigation of Turbulent Prt Model and the Segmentation Rule for LBE Turbulent Heat Transfer

PDF

Topics: Alloys , Computational fluid dynamics , Image segmentation , Turbulence , Turbulent heat transfer

Modeling of Thermal Hydraulic Characteristics for a LBE-Cooled Fast Reactor Helical Coiled Type Steam Generator

Xueyou Ding, Qinglong Wen, Zhiqiang Chen, Shenhui Ruan, Cheng Cheng

ICONE 2020; V003T13A040https://doi.org/10.1115/ICONE2020-16741

Abstract

View Articletitled, Modeling of Thermal Hydraulic Characteristics for a LBE-Cooled Fast Reactor Helical Coiled Type Steam Generator

PDF

Topics: Boilers , Fast neutron reactors , Modeling

RELAP5-3D Sensitivity Studies of Incorporating Axial Boron Gradients Into a Heater Tube Experiment for Pool Boiling CHF Testing in TREAT

Richard Hernandez, Nicholas R. Brown, Charles P. Folsom, Nicolas E. Woolstenhulme, Colby B. Jensen

ICONE 2020; V003T13A041https://doi.org/10.1115/ICONE2020-16758

Abstract

View Articletitled, RELAP5-3D Sensitivity Studies of Incorporating Axial Boron Gradients Into a Heater Tube Experiment for Pool Boiling CHF Testing in TREAT

PDF

Topics: Boron , Critical heat flux , Pool boiling , Testing , Coolants , Design , Shapes , Accidents , Heat flux , Heat transfer

High-Energy X-Ray CT Measurement of Void Fraction Distribution Around Part Length Rods in a Rod Bundle at High Pressure and Temperatures

Takahiro Arai, Atsushi Ui, Masahiro Furuya, Riichiro Okawa, Tsugumasa Iiyama, Shota Ueda, Kenetsu Shirakawa, Kazuaki Kito

ICONE 2020; V003T13A042https://doi.org/10.1115/ICONE2020-16759

Abstract

View Articletitled, High-Energy X-Ray CT Measurement of Void Fraction Distribution Around Part Length Rods in a Rod Bundle at High Pressure and Temperatures

PDF

Topics: Boiling , Computerized tomography , Fuel rods , High pressure (Physics) , Porosity , Rods , Temperature , Two-phase flow

Theoretical Research on Two-Phase Flow Instability in Parallel Rectangular Channels Under Periodic Perturbation

Libo Qian, Jian Deng, Tao Huang, Rong Cai

ICONE 2020; V003T13A043https://doi.org/10.1115/ICONE2020-16766

Abstract

View Articletitled, Theoretical Research on Two-Phase Flow Instability in Parallel Rectangular Channels Under Periodic Perturbation

PDF

Topics: Boiling , Computer simulation , Density , Flow instability , Heating , Momentum , Oscillations , Pipeline risers , Pressure , Pressure drop

Experimental and Numerical Research on Steam Direct Contact Condensation Process in Automatic Depressurization System of AP1000

Yuhao Zhang, Li Feng, Zhimin Qiu, Jingpin Fu, Daogang Lu

ICONE 2020; V003T13A044https://doi.org/10.1115/ICONE2020-16780

Abstract

View Articletitled, Experimental and Numerical Research on Steam Direct Contact Condensation Process in Automatic Depressurization System of AP1000

PDF

Topics: Condensation , Steam

Study on the Liquid Seal Discharge Process in an Over-Pressurized Accident

Dan Wu, Jian Deng, Sijia Du, Libo Qian

ICONE 2020; V003T13A045https://doi.org/10.1115/ICONE2020-16786

Abstract

View Articletitled, Study on the Liquid Seal Discharge Process in an Over-Pressurized Accident

PDF

Topics: Accidents , Pressure , Safety , Valves

Study on Cooling Process in a Reactor Vessel of Sodium-Cooled Fast Reactor Under Severe Accident: Velocity Measurement Experiments Simulating Operation of Decay Heat Removal Systems

Mitsuyo Tsuji, Kosuke Aizawa, Jun Kobayashi, Akikazu Kurihara, Yasuhiro Miyake

ICONE 2020; V003T13A046https://doi.org/10.1115/ICONE2020-16796

Abstract

View Articletitled, Study on Cooling Process in a Reactor Vessel of Sodium-Cooled Fast Reactor Under Severe Accident: Velocity Measurement Experiments Simulating Operation of Decay Heat Removal Systems

PDF

Topics: Accidents , Cooling , Flow (Dynamics) , Heat , Reactor vessels , Sodium fast reactors , Velocity measurement , Fuels , Design , Heat exchangers

Preliminary Development on Thermal-Hydraulic Analysis Code for the Spent Fuel Rod Under the Condition of Spray Cooling

Guo Chao, Deng Jian, Cai Rong, Ma Yugao, Liu Lili, Zhang Yuhao, Lv Siyu

ICONE 2020; V003T13A047https://doi.org/10.1115/ICONE2020-16798

Abstract

View Articletitled, Preliminary Development on Thermal-Hydraulic Analysis Code for the Spent Fuel Rod Under the Condition of Spray Cooling

PDF

Topics: Cooling , Spent nuclear fuels , Sprays , Temperature , Blanks , Cladding systems (Building) , Cooling systems , Evaporation , Failure , Film thickness

Development of Ex-Vessel Phenomena Analysis Model for Multi-Scenario Simulation System, SPECTRA

Akihiro Uchibori, Mitsuhiro Aoyagi, Takashi Takata, Hiroyuki Ohshima

ICONE 2020; V003T13A048https://doi.org/10.1115/ICONE2020-16818

Abstract

View Articletitled, Development of Ex-Vessel Phenomena Analysis Model for Multi-Scenario Simulation System, SPECTRA

PDF

Topics: Accidents , Simulation , Sodium fast reactors , Spectra (Spectroscopy) , Vessels

Applicability of Dynamic Modeling for Turbulent Schmidt and Prandtl Numbers on Density Stratification Breakup in Several Flow Conditions

Satoshi Abe, Etienne Studer, Masahiro Ishigaki, Yasuteru Sibamoto, Taisuke Yonomoto

ICONE 2020; V003T13A049https://doi.org/10.1115/ICONE2020-16837

Abstract

View Articletitled, Applicability of Dynamic Modeling for Turbulent Schmidt and Prandtl Numbers on Density Stratification Breakup in Several Flow Conditions

PDF

Topics: Density , Dynamic modeling , Flow (Dynamics) , Hydrogen , Reynolds-averaged Navier–Stokes equations , Turbulence

Experimental Study on Aerosol Collection by Spray Droplets: Application to Fission Products Removal in Containment

Haomin Sun, Yohan Leblois, Thomas Gelain, Emmanuel Porcheron

ICONE 2020; V003T13A050https://doi.org/10.1115/ICONE2020-16857

Abstract

View Articletitled, Experimental Study on Aerosol Collection by Spray Droplets: Application to Fission Products Removal in Containment

PDF

Topics: Aerosols , Computational fluid dynamics , Containment , Drops , Nuclear fission , Particulate matter , Sprays

On Effects of Temperature Boundary Conditions on Heat Transfer in Turbulent Low-Prandtl-Number Flows

Ivan Otic

ICONE 2020; V003T13A051https://doi.org/10.1115/ICONE2020-16858

Abstract

View Articletitled, On Effects of Temperature Boundary Conditions on Heat Transfer in Turbulent Low-Prandtl-Number Flows

PDF

Topics: Boundary-value problems , Flow (Dynamics) , Heat transfer , Temperature effects , Turbulence , Heat flux , Temperature , Fluctuations (Physics) , Forced convection , Large eddy simulation

Analytical Justifications As Part of the “Post-Fukushima” Upgrades Implementation on Zaporizhzhya NPP Unit 1

Oleksandr Mazurok, Vadym Ivanov, Oleg Kocharyants

ICONE 2020; V003T13A052https://doi.org/10.1115/ICONE2020-16867

Abstract

View Articletitled, Analytical Justifications As Part of the “Post-Fukushima” Upgrades Implementation on Zaporizhzhya NPP Unit 1

PDF

Topics: Fukushima nuclear disaster, Japan, 2011 , Nuclear power stations , Safety , Accidents , Electricity (Physics) , Power plant operators , Pressurized water reactors , Radiation (Physics) , Stress

Optimization Study for Uncertainty Reduction of In-Pile CHF Experiments in TREAT

Seokbin Seo, Nicholas R. Brown, Robert J. Armstrong, Charles P. Folsom, Colby B. Jensen

ICONE 2020; V003T13A053https://doi.org/10.1115/ICONE2020-16884

Abstract

View Articletitled, Optimization Study for Uncertainty Reduction of In-Pile CHF Experiments in TREAT

PDF

Topics: Critical heat flux , Optimization , Sensitivity analysis , Uncertainty , Coolants , Heat transfer , Transients (Dynamics) , Accidents , Fuels , Heat flux

Optimization Design for the Configuration Parameters of Helical-Coil Steam Generator Volume

Hongyu Fang, Li Wang, Dahuan Zhu, Rong Cai, Xiaowei Jiang, Dan Zhang, Libo Qian, Dan Wu

ICONE 2020; V003T13A054https://doi.org/10.1115/ICONE2020-16891

Abstract

View Articletitled, Optimization Design for the Configuration Parameters of Helical-Coil Steam Generator Volume

PDF

Topics: Boilers , Design , Genetic algorithms , Optimization , Small modular reactors , Safety , Economics , Flow (Dynamics) , Nuclear industry , Temperature

Representativity Analysis Applied to TREAT Water Loop LOCA Experiment Design

Aaron S. Epiney, Nicolas Woolstenhulme

ICONE 2020; V003T13A055https://doi.org/10.1115/ICONE2020-16914

Abstract

View Articletitled, Representativity Analysis Applied to TREAT Water Loop LOCA Experiment Design

PDF

Topics: Experimental design , Water

Investigation of the Structure Velocity in a 3x3 Rod Bundle Under Bubbly and Cap-Bubbly Flow Regimes

Pei-Syuan Ruan, Shao-Wen Chen, Min-Song Lin, Jin-Der Lee, Jong-Rong Wang

ICONE 2020; V003T13A056https://doi.org/10.1115/ICONE2020-16946

Abstract

View Articletitled, Investigation of the Structure Velocity in a 3x3 Rod Bundle Under Bubbly and Cap-Bubbly Flow Regimes

PDF

Topics: Flow (Dynamics) , Fuel rods , Bubbles , Electrical conductivity , Probes , Thermal conductivity , Two-phase flow , Water , Geometry

Experimental Study of the Effect of Hydrogen Inflow on Passive Core Cooling System With Natural Circulation Flow

Yasunori Yamamoto, Masayoshi Mori, Kosuke Ono, Tetsuya Takada

ICONE 2020; V003T13A057https://doi.org/10.1115/ICONE2020-16949

Abstract

View Articletitled, Experimental Study of the Effect of Hydrogen Inflow on Passive Core Cooling System With Natural Circulation Flow

PDF

Topics: Condensers (steam plant) , Cooling systems , Flow (Dynamics) , Hydrogen , Inflow , Helium , Pressure , Safety , Accidents , High pressure (Physics)

Experimental Study on Multi-Channel Jets in Plate Assembly Under Blockage Condition

Huang Huijian, Wang Peng, Li Dongyang, Sichao Tan

ICONE 2020; V003T13A058https://doi.org/10.1115/ICONE2020-16955

Abstract

View Articletitled, Experimental Study on Multi-Channel Jets in Plate Assembly Under Blockage Condition

PDF

Topics: Jets , Manufacturing , Flow (Dynamics) , Computational methods , Coolants , Flowmeters , Fuels , Pressure , Reynolds number , Tensors

Analysis of Droplet Impacting on Inclined Wall

Bowen Chen, Bo Wang, Bingzheng Ke, Ru Li, Ruifeng Tian

ICONE 2020; V003T13A059https://doi.org/10.1115/ICONE2020-16964

Abstract

View Articletitled, Analysis of Droplet Impacting on Inclined Wall

PDF

Topics: Drops , Separation (Technology) , Steam

Study on Effect of Sloshing Phenomenon on Water Level of Pressurizer

Chen Jiarui, Liu Jianchang, Li Dongyang, Tan Sichao

ICONE 2020; V003T13A060https://doi.org/10.1115/ICONE2020-16967

Abstract

View Articletitled, Study on Effect of Sloshing Phenomenon on Water Level of Pressurizer

PDF

Topics: Sloshing , Water , Excitation , Pressure , Safety , Signals , Coolants , Cycles , Economics , Errors

Calculation and Analysis of Steam Hammer in Main Steam Pipe in HPR1000

Pei Yu, Jiaming Wang, Huiyun Ma, Haifeng Gu, Changqi Yan

ICONE 2020; V003T13A061https://doi.org/10.1115/ICONE2020-17004

Abstract

View Articletitled, Calculation and Analysis of Steam Hammer in Main Steam Pipe in HPR1000

PDF

Topics: Pipes , Steam , Steam hammers , Valves

Verification and Validation

Metamorphic Testing on Nuclide Inventory Tool

Meng Li, Shiyu Yan, Xiaohua Yang, Jie Liu

ICONE 2020; V003T14A001https://doi.org/10.1115/ICONE2020-16403

Abstract

View Articletitled, Metamorphic Testing on Nuclide Inventory Tool

PDF

Topics: Nuclides , Testing , Algorithms , Approximation , Computer software , Nuclear magnetic resonance , Physics , Software development

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

Yuan Yanli, Ye Xianhui, Li Lijuan, Yuan Feng

ICONE 2020; V003T14A002https://doi.org/10.1115/ICONE2020-16485

Abstract

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

PDF

Topics: Nuclear reactor coolants , Sensitivity analysis

Applicability of Sub-Modelling Technique for Dynamic Analysis of Concrete Structures With Attached Equipment Under Missile Impact

Genadijs Sagals, Nebojsa Orbovic, Thambiayah Nitheanandan

ICONE 2020; V003T14A003https://doi.org/10.1115/ICONE2020-16523

Abstract

View Articletitled, Applicability of Sub-Modelling Technique for Dynamic Analysis of Concrete Structures With Attached Equipment Under Missile Impact

PDF

Topics: Computer simulation , Concretes , Dynamic analysis , Missiles , Modeling , Reinforced concrete

Design of an Innovative Moisture Separator Technology for Use in Nuclear Power Plants: Experimental Validation — Part 2

Carsten Hersberger, Elias Waldvogel, Joshua Bopp, Beat Ribi

ICONE 2020; V003T14A004https://doi.org/10.1115/ICONE2020-16550

Abstract

View Articletitled, Design of an Innovative Moisture Separator Technology for Use in Nuclear Power Plants: Experimental Validation — Part 2

PDF

Topics: Design , Molten salt reactors , Nuclear power stations , Steam

Comparison of the Behavior of Different Jet Configurations in a Crossflow

Michael Lewandowski, Paul Kristo, Abdullah Weiss, Mark Kimber

ICONE 2020; V003T14A005https://doi.org/10.1115/ICONE2020-16655

Abstract

View Articletitled, Comparison of the Behavior of Different Jet Configurations in a Crossflow

PDF

Topics: Computation , Computational fluid dynamics , Coolants , Cross-flow , Flow (Dynamics) , Flow control , Gas cooled reactors , Jets , Particulate matter , Statistics

Code to Code Validation of SAC-3D Based on EBR-II Benchmark Problem

Daogang Lu, Siyu Lyu, Danting Sui

ICONE 2020; V003T14A006https://doi.org/10.1115/ICONE2020-16666

Abstract

View Articletitled, Code to Code Validation of SAC-3D Based on EBR-II Benchmark Problem

PDF

Topics: Accidents , Carbon reinforced plastics , China , Electricity (Physics) , Fast neutron reactors , Feedback , Flow (Dynamics) , Nuclear reactors , Safety , Scram