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Keywords: numerical simulation
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Proceedings Papers

Proc. ASME. ICONE29, Volume 2: Nuclear Fuel and Material, Reactor Physics and Transport Theory, and Fuel Cycle Technology, V002T02A036, August 8–12, 2022
Paper No: ICONE29-91726
... for providing information on the directivity of core faults, and its analytical solution is extremely difficult or even impossible. Therefore, it is necessary to study the numerical simulation method of reactor neutron noise. In this work, the governing equations of the neutron noise problem are firstly...
Proceedings Papers

Proc. ASME. ICONE29, Volume 7B: Thermal-Hydraulics and Safety Analysis, V07BT07A029, August 8–12, 2022
Paper No: ICONE29-92951
... efficiency. At the same time, the flow will be more complicated in the joint influence of gravity, centrifugal force and Coriolis force. This paper studied the heat transfer characteristics of supercritical water in heated vertical tube by numerical simulation and found that changes of physical properties...
Proceedings Papers

Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A058, August 8–12, 2022
Paper No: ICONE29-93241
.... printed circuit heat exchanger supercritical CO 2 thermal-hydraulic characteristics flow distribution numerical simulation Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022, Virtual, Online ICONE29-93241 NUMERICAL INVESTIGATION ON THERMAL...
Proceedings Papers

Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A040, August 8–12, 2022
Paper No: ICONE29-92323
... cover gas heat transfer numerical simulation Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022, Virtual, Online ICONE29-92323 Study on the radiation heat transfer effect of the covered gas space of the pool reactor Xinyue LUO North China Electric...
Proceedings Papers

Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A043, August 8–12, 2022
Paper No: ICONE29-92539
... tubes are studied from three aspects: theoretical calculation, experiment and numerical simulation. Theoretical calculations used multiple heat transfer calculation models to obtain the heat transfer characteristics such as temperature distribution in the tube. Scaling experiments with primary...
Proceedings Papers

Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A016, August 8–12, 2022
Paper No: ICONE29-91630
... numerical simulations of annular dispersed flow in the simplified subchannel of RBWR. We used a circular tube with the same hydraulic diameter as the RBWR subchannel to consider the basic effects of spacer on the annular dispersed flow. In this paper, we describe the result of numerical simulation...
Proceedings Papers

Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A027, August 8–12, 2022
Paper No: ICONE29-91855
.... The free surface waves in the main pipe become more intense when the flow rate continues to increase, and the free surface vortex begins to entrain air into the branch as the vortex core evolving downstream in the main pipe in a very short time. The phenomena of numerical simulation show a good agreement...
Proceedings Papers

Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A068, August 8–12, 2022
Paper No: ICONE29-93853
... for the Pressurizer. This paper studies a Pressurizer model with a ring-shaped plate. Using numerical simulation software, the VOF method is used to couple the k-ε model to simulate the liquid level fluctuation of the two Pressurizers with and without anti-wave device under different external excitation cycles...
Proceedings Papers

Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A029, August 8–12, 2022
Paper No: ICONE29-91885
... and improving the mixing efficiency in the VCT. VCT stratification numerical simulation Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022, Virtual, Online ICONE29-91885 A NUMERICAL INVESTIGATION OF THE MIXING IN THE VCT DURING THE DILUTION PROCESS...
Proceedings Papers

Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A052, August 8–12, 2022
Paper No: ICONE29-92891
... interaction; Numerical simulation 1. INTRODUCTION In the early stage of nuclear power development, some nuclear power plants did not take flow-induced vibration into account during construction, and this phenomenon was not taken seriously until later when some major accidents occurred. Example: A partial...
Proceedings Papers

Proc. ASME. ICONE29, Volume 10: Advanced Methods of Manufacturing for Nuclear Reactors and Components, V010T10A011, August 8–12, 2022
Paper No: ICONE29-91200
.... It is an effective method to control welding deformation of structural parts by using numerical simulation method to predict welding deformation and optimize welding process. In this work, the welding process of typical T-joint is numerically simulated and tested firstly. The reliability of the simulated results...
Proceedings Papers

Proc. ASME. ICONE29, Volume 11: Mitigation Strategies for Beyond Design Basis Events, V011T11A021, August 8–12, 2022
Paper No: ICONE29-93467
... Abstract U-Al alloy fuels have been applied in research reactors, and it is different from typical pressurized water reactors in geometry and components. This paper conducts a theoretical analysis on migration behavior of molten material in U-Al alloy fuels, and numerical simulation in SPERT...
Proceedings Papers

Proc. ASME. ICONE29, Volume 10: Advanced Methods of Manufacturing for Nuclear Reactors and Components, V010T10A042, August 8–12, 2022
Paper No: 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...
Proceedings Papers

Proc. ASME. ICONE29, Volume 5: Nuclear Safety, Security, and Cyber Security, V005T05A021, August 8–12, 2022
Paper No: ICONE29-91506
... a severe accident. The pressure vessel is used to provide the same mixed gas as in the containment during a severe accident, and the numerical simulation is carried out for different work conditions with hydrogen-nitrogen mixture of 20% hydrogen volume fraction in the pressure vessel, investigating...
Proceedings Papers

Proc. ASME. ICONE29, Volume 5: Nuclear Safety, Security, and Cyber Security, V005T05A034, August 8–12, 2022
Paper No: ICONE29-92150
... design. liquid sloshing fluid-structure interaction (FSI) numerical simulation water tank Proceedings of the 2022 29th International Conference on Nuclear Engineering ICONE29 August 8-12, 2022, Virtual, Online ICONE29-92150 NUMERICAL STUDY OF THE EFFECT OF DIFFERENT TANK SHAPES ON LIQUID...
Proceedings Papers

Proc. ASME. ICONE29, Volume 5: Nuclear Safety, Security, and Cyber Security, V005T05A002, August 8–12, 2022
Paper No: 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...
Proceedings Papers

Proc. ASME. ICONE29, Volume 5: Nuclear Safety, Security, and Cyber Security, V005T05A063, August 8–12, 2022
Paper No: ICONE29-93580
.... The paper investigates the current research status of spent fuel transport containers from three aspects: design and manufacture, test capability and numerical simulation analysis, and gives reasonable suggestions for the development of large spent fuel transport containers in China. spent fuel...
Proceedings Papers

Proc. ASME. ICONE29, Volume 7A: Thermal-Hydraulics and Safety Analysis, V07AT07A003, August 8–12, 2022
Paper No: ICONE29-88841
... this model, combined with numerical simulation, a typical liquid-cooling heat sink is analyzed, corresponding flow resistance and thermal resistance distribution characteristics are evaluated, and the optimal design configuration is given. The results in this paper can serve as valuable reference...
Proceedings Papers

Proc. ASME. ICONE29, Volume 7B: Thermal-Hydraulics and Safety Analysis, V07BT07A037, August 8–12, 2022
Paper No: ICONE29-93169
... with experimental data. The results can provide numerical references for the discharge of decay heat in the sodium-cooled fast reactor under power blackout accident. CFD natural circulation sodium-cooled fast reactor numerical simulation Proceedings of the 2022 29th International Conference on Nuclear...
Proceedings Papers

Proc. ASME. ICONE29, Volume 15: Student Paper Competition, V015T16A030, August 8–12, 2022
Paper No: 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...