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Keywords: numerical simulation
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Proceedings Papers

Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T05A013, August 4–6, 2021
Paper No: ICONE28-64920
... TRISO particle and metal matrix, M3 fuel exhibits Keywords: M3 fuel, ATF, thermal-mechanical coupling, complex in-pile behavior [9]. The report on the behavior numerical simulation simulation of M3 fuel was rare as we known. Accurate and reliable fuel behavior prediction is not only necessary for 1...
Topics: Fuels, Simulation
Proceedings Papers

Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T07A033, August 4–6, 2021
Paper No: ICONE28-65596
..., Water cooler, Numerical simulation Density Turbulence dissipation rate Thermal conductivity Dynamic viscosity ABBREVIATIONS HTGR High-temperature gas-cooled reactor IHX Intermediate heat exchanger VHTR Very-high-temperature gas-cooled reactor V002T07A033-1 Copyright © 2021 by ASME 1...
Proceedings Papers

Proc. ASME. ICONE28, Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications, V001T03A007, August 4–6, 2021
Paper No: ICONE28-64525
... for various reactor operation of a nuclear plant, including optimization of safety concepts should be done in a relatively short period of time equipment as well as structures, systems, and components. using available industry resources, which include past State-of-the-art numerical simulation technologies...
Proceedings Papers

Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T07A006, August 4–6, 2021
Paper No: ICONE28-63381
... oscillatory flow numerical simulation vortex shedding Proceedings of the 2021 28th International Conference on Nuclear Engineering ICONE28 August 4-6, 2021, Virtual, Online ICONE28-63381 NUMERICAL SIMULATION OF VORTEX SHEDDING DOWNSTREAM OF A THERMOACOUSTIC ENGINE STACK Bowen QIAO Shota YAMADA Gaku...
Proceedings Papers

Proc. ASME. ICONE28, Volume 3: Computational Fluid Dynamics (CFD); Verification and Validation; Advanced Methods of Manufacturing (AMM) for Nuclear Reactors and Components; Decontamination, Decommissioning, and Radioactive Waste Management; Beyond Design Basis and Nuclear Safety; Risk Informed Management and Regulation, V003T12A012, August 4–6, 2021
Paper No: ICONE28-64082
... reactor, and the time history diagram of the control bar position is obtained under the seismic conditions, thus verifying that ADS lead-bismuth alloy zero power reactor can be safely shut down under the safe shutdown earthquake (SSE). ADS control rod dropping rod numerical simulation...
Proceedings Papers

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, V001T03A024, August 4–5, 2020
Paper No: ICONE2020-16851
.... For the best estimate in AQUA-SF, sodium droplet size needs to be set larger than SPHINCS in order to decrease the surface area and suppress the spray burning rate. These adjustment leads to more precise representation of the measurements in T3 experiment. Keywords: Sodium combustion, Numerical simulation...
Proceedings Papers

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, V001T03A005, August 4–5, 2020
Paper No: ICONE2020-16213
... of core materials. In this study, the numerical simulation of jet breakup phenomena with a shallow pool was performed by using the developed method (TPFIT). We try to understand the hydrodynamic interaction under various, such as penetration, reach to the bottom, spread, accumulation of the molten...
Proceedings Papers

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, V001T03A020, August 4–5, 2020
Paper No: ICONE2020-16775
... for natural convection. Keywords: Numerical simulation, Synthetic jet, excitation frequency, vortex formation, electronic cooling. NOMENCLATURE As heated surface area, m 2 dh hydraulic diameter (m) f frequency (Hz) h local heat transfer coefficient (W/m 2 K) H cavity depth (m) I current (A) k thermal...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 2: Nuclear Policy; Nuclear Safety, Security, and Cyber Security; Operating Plant Experience; Probabilistic Risk Assessments; SMR and Advanced Reactors, V002T08A061, August 4–5, 2020
Paper No: ICONE2020-16957
... by large equivalent explosives at medium and long distances. In this paper, the air overpressure peak curve and behavior of reinforced concrete slabs under small equivalent TNT close-in explosion conditions are calculated by numerical simulation methods and compared with empirical formulas and experimental...
Proceedings Papers

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, V001T03A009, August 4–5, 2020
Paper No: ICONE2020-16351
... reveal the mechanism of radon exhalation from building materials into indoor atmosphere. natural convection indoor radon numerical simulation radon exhalation modeling NATURAL-CONVECTIVE TRANSPORT MODEL OF RADON FROM BUILDING FROM BUILDING MATERIALS INTO INDOOR ATMOSPHERE Shengyang FENG1...
Proceedings Papers

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, V001T03A010, August 4–5, 2020
Paper No: ICONE2020-16393
...-liquid interface is not precise; a numerical evaluation method of performance of aerosol removal equipment is not realized. Then, we have started to construct a numerical simulation method to simulate the removal of microparticles through gas-liquid interfaces. In this simulation method, a detailed two...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A044, August 4–5, 2020
Paper No: ICONE2020-16780
... ADS steam spraying condensation process in AP1000 reactor. KEY WORDS Steam condensation; Numerical simulation; UDF; ADS 1. INTRODUCTION In the third generation Pressurized Water Reactor (PWR) AP1000 plant, the Automatic Depressurization System (ADS) is one of the most important passive safety system...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A013, August 4–5, 2020
Paper No: ICONE2020-16206
... the volume of fluid (VOF) and adaptive mesh refinement method. The numerical simulations of tetradecane droplet collision were carried out to validate the numerical methods. The results showed good agreement with the experiments. Furthermore, the simulations of uranium dioxide (UO 2 ) droplets collision...
Proceedings Papers

Proc. ASME. ICONE21, Volume 4: Thermal Hydraulics, V004T09A041, July 29–August 2, 2013
Paper No: ICONE21-15524
..., then it can be applied to solve the heat transfer problem in PCCS accurately. KEY WORDS: stratification, numerical simulation, jet, large enclosure INTRODUCTION Thermal mixing and stratification phenomena are very important to passive containment cooling system. For current operating PWR pressurized water...
Proceedings Papers

Proc. ASME. ICONE21, Volume 3: Nuclear Safety and Security; Codes, Standards, Licensing and Regulatory Issues; Computational Fluid Dynamics and Coupled Codes, V003T10A043, July 29–August 2, 2013
Paper No: ICONE21-16641
.... The motion of bubbles with different diameters in a vertical channel is simulated. It is found that the bubbles’ behavior depends on the distance between the bubble and the wall. Finally, numerical simulation of the motion of several bubbles of the same size, at the same initial horizontal position...
Proceedings Papers

Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 55-64, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54093
... is, therefore, important for estimating thermal fatigue. In this study, an experimental method using a T-junction pipe with thermocouples was developed. Wall temperatures in the experiment have to be obtained at the inner surface of the pipe to validate numerical simulation results. The difference of position...
Proceedings Papers

Proc. ASME. ICONE20-POWER2012, Volume 4: Codes, Standards, Licensing, and Regulatory Issues; Fuel Cycle, Radioactive Waste Management and Decommissioning; Computational Fluid Dynamics (CFD) and Coupled Codes; Instrumentation and Controls; Fuels and Combustion, Materials Handling, Emissions; Advanced Energy Systems and Renewables (Wind, Solar, Geothermal); Performance Testing and Performance Test Codes, 419-427, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54317
... Numerical simulation of liquid sodium convection flowing through wire-wrapped subassembly College of Nuclear Science and Technology, Harbin Engineering University, Harbin City, China Phone :+86-13101588907, Fax : +86-451-82569622, dragonage@yeah.net ZENG Heyi College of Nuclear Science...
Proceedings Papers

Proc. ASME. ICONE20-POWER2012, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle, and Balance of Plant; Component Reliability and Materials Issues; Steam Generator Technology Applications and Innovations; Advanced Reactors and Near-Term Deployment; Reactor Physics, Neutronics, and Transport Theory; Nuclear Education, Human Resources, and Public Acceptance, 531-536, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-55087
... to real bucket life and found in a good concordance to experimental creep data for an Inconel 738 LC super alloy. Keywords: Creep, Gas turbine bucket, Life prediction, Creep models, Numerical simulation. INTRODUCTION Gas turbine components operating at elevated temperatures deform with time under...
Proceedings Papers

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 6, 651-657, May 17–21, 2010
Paper No: ICONE18-30174
... joint contribution to the future TBM testing in EAST and ITER, and also optimize and improve the design of DFLL-TBM system for ITER. KEY WORDS Mini-TBM; dual-flow fields; heat transfer; numerical simulation 1 INTRODUCTION Due to potential attractiveness of the liquid lithium lead (LiPb) breeder blanket...
Proceedings Papers

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 3, 83-88, May 17–21, 2010
Paper No: ICONE18-29191
... is set about twice half-life of 218 Po. The established model is applied to analyze two buried fault areas in Southwest China and the results are really much better. Radon half-life buried fault numerical simulation Fault geometry 1 Copyright © 2010 by ASME RESEARCH OF RADON TRANSPORTATION...