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研究成果 1984 2019

  • 1135 引用
  • 20 h指数
  • 91 記事
  • 30 会議での発言
  • 7 論文
  • 1 評論記事
2019
3 引用 (Scopus)

An ALE pairwise-relaxing meshless method for compressible flows

Liu, X., Morita, K. & Zhang, S., 6 15 2019, : : Journal of Computational Physics. 387, p. 1-13 13 p.

研究成果: ジャーナルへの寄稿記事

meshfree methods
compressible flow
Taylor series
Compressible flow
Euler equations
2 引用 (Scopus)

A pairwise-relaxing incompressible smoothed particle hydrodynamics scheme

Liu, X., Morita, K. & Zhang, S., 5 1 2019, : : Computer Methods in Applied Mechanics and Engineering. 348, p. 297-312 16 p.

研究成果: ジャーナルへの寄稿記事

Hydrodynamics
hydrodynamics
kernel functions
Conservation
Momentum
dummies
simulation
formulations
Computer simulation
gradients

Comparative methodology between actual RCCS and downscaled heat-removal test facility

Takamatsu, K., Matsumoto, T., Liu, W. & Morita, K., 11 1 2019, : : Annals of Nuclear Energy. 133, p. 830-836 7 p.

研究成果: ジャーナルへの寄稿記事

Test facilities
Cooling systems
Pressure vessels
Heat sinks
Heat flux

Self-leveling behavior of mixed solid particles in cylindrical bed using gas-injection method

Phan, L. H. S., Ngo, P. M., Miura, R., Tasaki, Y., Matsumoto, T., Liu, W. & Morita, K., 1 2 2019, : : journal of nuclear science and technology. 56, 1, p. 111-122 12 p.

研究成果: ジャーナルへの寄稿記事

gas injection
leveling
beds
Debris
Core disruptive accidents
2018
5 引用 (Scopus)

Accuracy and stability enhancements in the incompressible finite-volume-particle method for multiphase flow simulations

Liu, X., Ogawa, R., Kato, M., Morita, K. & Zhang, S., 9 1 2018, : : Computer Physics Communications. 230, p. 59-69 11 p.

研究成果: ジャーナルへの寄稿記事

multiphase flow
Multiphase flow
Flow simulation
dummies
augmentation
7 引用 (Scopus)
incompressible flow
Incompressible flow
Pressure gradient
pressure gradients
simulation
5 引用 (Scopus)

Experimental study on debris bed characteristics for the sedimentation behavior of solid particles used as simulant debris

Shamsuzzaman, M., Horie, T., Fuke, F., Kamiyama, M., Morioka, T., Matsumoto, T., Morita, K., Tagami, H., Suzuki, T. & Tobita, Y., 1 1 2018, : : Annals of Nuclear Energy. 111, p. 474-486 13 p.

研究成果: ジャーナルへの寄稿記事

Sedimentation
Debris
Nozzles
Accidents
Gravitation
1 引用 (Scopus)
Cooling systems
Natural convection
Heat conduction
Systems analysis
Radiation
2 引用 (Scopus)

Investigation on upper bounds of recriticality energetics of hypothetical core disruptive accidents in sodium cooled fast reactors

Maschek, W., Li, R., Matzerath Boccaccini, C., Gabrielli, F. & Morita, K., 1 1 2018, : : Nuclear Engineering and Design. 326, p. 392-402 11 p.

研究成果: ジャーナルへの寄稿記事

Core disruptive accidents
Fast reactors
accidents
accident
energetics
2 引用 (Scopus)

Model for particle behavior in debris bed

Tagami, H., Cheng, S., Tobita, Y. & Morita, K., 3 1 2018, : : Nuclear Engineering and Design. 328, p. 95-106 12 p.

研究成果: ジャーナルへの寄稿記事

debris
Debris
beds
Fast reactors
Sodium
2 引用 (Scopus)

Sedimentation behavior of mixed solid particles

Sheikh, M. A. R., Son, E., Kamiyama, M., Morioka, T., Matsumoto, T., Morita, K., Matsuba, K., Kamiyama, K. & Suzuki, T., 6 3 2018, : : journal of nuclear science and technology. 55, 6, p. 623-633 11 p.

研究成果: ジャーナルへの寄稿記事

Sedimentation
beds
Debris
Nozzles
Core disruptive accidents
2017

Benchmark study on realized random packing model for coated fuel particles of HTTR using MCNP6

Quan, H. H., Morita, K., Honda, Y., Fujimoto, N. & Takada, S., 1 1 2017, 2017 International Congress on Advances in Nuclear Power Plants, ICAPP 2017 - A New Paradigm in Nuclear Power Safety, Proceedings. International Congress on Advances in Nuclear Power Plants, ICAPP, (2017 International Congress on Advances in Nuclear Power Plants, ICAPP 2017 - A New Paradigm in Nuclear Power Safety, Proceedings).

研究成果: 著書/レポートタイプへの貢献会議での発言

High temperature engineering
Coated fuel particles
Utility programs
Geometry
High temperature reactors
7 引用 (Scopus)

Enhancement of the accuracy of the finite volume particle method for the simulation of incompressible flows

Liu, X., Morita, K. & Zhang, S., 12 30 2017, : : International Journal for Numerical Methods in Fluids. 85, 12, p. 712-726 15 p.

研究成果: ジャーナルへの寄稿記事

Particle Method
Incompressible flow
Incompressible Flow
Finite Volume Method
Enhancement

Experimental study on self-leveling behavior of binary-mixed particles in cylindrical bed using gas-injection method

Sang Phan, L. H., Ngo, P. M., Matsuoka, F., Miura, R., Matsumoto, T. & Morita, K., 1 1 2017.

研究成果: 会議への寄与タイプ論文

gas injection
leveling
Debris
beds
debris

IAEA's coordinated research project on EBR-II Shutdown heat removal tests

Batra, C., Kriventsev, V., Monti, S., Briggs, L., Su, G., Hu, W., Sui, D., Su, G., Maas, L., Vezzoni, B., Sarathy, U. P., Del Nevo, A., Petruzzi, A., Zanino, R., Ohira, H., Rooijen, W. F. G. V., Morita, K., Choi, C., Shin, A., Stempniewicz, M. および3人, Rtischev, N., Mikityuk, K. & Bates, E., 1 1 2017.

研究成果: 会議への寄与タイプ論文

shutdowns
research projects
heat
Fast reactors
Nuclear energy

Numerical simulation of solid-particle sedimentation behaviorusing a multi-fluid model coupled with Dem

Kawata, R., Ohara, Y., Sheikh, M. A. R., Liu, X., Matsumoto, T., Morita, K., Guo, L., Kamiyama, K. & Suzuki, T., 1 1 2017.

研究成果: 会議への寄与タイプ論文

Sedimentation
Debris
beds
debris
Core disruptive accidents
3 引用 (Scopus)

Numerical simulations on self-leveling behaviors with cylindrical debris bed

Guo, L., Morita, K. & Tobita, Y., 4 15 2017, : : Nuclear Engineering and Design. 315, p. 61-68 8 p.

研究成果: ジャーナルへの寄稿記事

Core disruptive accidents
leveling
debris
Debris
beds
2016
7 引用 (Scopus)

A new empirical model for self-leveling behavior of cylindrical particle beds

Morita, K., Matsumoto, T., Nishi, S., Nishikido, T., Cheng, S., Tagami, H., Suzuki, T. & Tobita, Y., 5 3 2016, : : journal of nuclear science and technology. 53, 5, p. 713-725 13 p.

研究成果: ジャーナルへの寄稿記事

leveling
beds
Coolants
Boiling liquids
Core disruptive accidents
3 引用 (Scopus)

Development of a hybrid particle-mesh method for two-phase flow simulations

Liu, X., Guo, L., Morita, K. & Zhang, S., 10 30 2016, : : International Journal for Numerical Methods in Fluids. 82, 6, p. 334-347 14 p.

研究成果: ジャーナルへの寄稿記事

Flow simulation
Flow Simulation
Two-phase Flow
Two phase flow
Mesh
6 引用 (Scopus)

Development of the evaluation methodology for the material relocation behavior in the core disruptive accident of sodium-cooled fast reactors

Tobita, Y., Kamiyama, K., Tagami, H., Matsuba, K. I., Suzuki, T., Isozaki, M., Yamano, H., Morita, K., Guo, L. & Zhang, B., 5 3 2016, : : journal of nuclear science and technology. 53, 5, p. 698-706 9 p.

研究成果: ジャーナルへの寄稿記事

Core disruptive accidents
relocation
Relocation
Fast reactors
accidents
2 引用 (Scopus)
Test facilities
Cooling systems
Grashof number
Heat flux
Natural convection

New reactor cavity cooling system with a novel shape and passive safety features

Takamatsu, K., Matsumoto, T. & Morita, K., 1 1 2016, International Congress on Advances in Nuclear Power Plants, ICAPP 2016. American Nuclear Society, 巻 2. p. 1250-1257 8 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Cooling systems
Test facilities
High temperature gas reactors
Grashof number
Natural convection
5 引用 (Scopus)

Numerical simulations of gas-liquid-particle three-phase flows using a hybrid method

Guo, L., Morita, K. & Tobita, Y., 2 1 2016, : : journal of nuclear science and technology. 53, 2, p. 271-280 10 p.

研究成果: ジャーナルへの寄稿記事

Finite difference method
Core disruptive accidents
Fast reactors
Computer simulation
Liquids
1 引用 (Scopus)

Simmer/partisn analyses of EBR-II shutdown heat removal tests

Vezzoni, B., Marchetti, M., Andriolo, L., Gabrielli, F., Chen, X. N., Matzerath Boccaccini, C., Rineiski, A., Maschek, W., Morita, K. & Arima, T., 1 1 2016, Physics of Reactors 2016, PHYSOR 2016: Unifying Theory and Experiments in the 21st Century. American Nuclear Society, 巻 6. p. 3973-3982 10 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

shutdowns
heat
breeder reactors
Breeder reactors
research projects
2015
2 引用 (Scopus)

A study on characteristics of molten pool sloshing in core disruptive accidents of fast reactors

Tatewaki, I., Morita, K. & Endo, H., 1 1 2015.

研究成果: 会議への寄与タイプ論文

Core disruptive accidents
Liquid sloshing
Fast reactors
Molten materials
Vapor pressure
4 引用 (Scopus)

EBR-II passive safety demonstration tests benchmark analyses-phase 2

Briggs, L., Hu, W., Su, G. H., Vezzoni, B., Del Nevo, A., Monti, S., Sui, D., Maas, L., Sarathy, U. P., Petruzzi, A., Zanino, R., Ohira, H., Mochizuki, H., Morita, K., Choi, C., Shin, A., Stempniewicz, M., Rtishchev, N., Zhang, Y. & Truong, B., 1 1 2015, International Topical Meeting on Nuclear Reactor Thermal Hydraulics 2015, NURETH 2015. American Nuclear Society, p. 3030-3043 14 p. (International Topical Meeting on Nuclear Reactor Thermal Hydraulics 2015, NURETH 2015; 巻数 4).

研究成果: 著書/レポートタイプへの貢献会議での発言

safety
shutdowns
Demonstrations
heat
breeder reactors

Numerical simulation of debris bed formation in severe accident

Zhang, B., Wu, J., Shamsuzzaman, M., Morita, K., Shan, J. & Chen, Y., 10 15 2015, : : Hedongli Gongcheng/Nuclear Power Engineering. 36, 5, p. 184-186 3 p.

研究成果: ジャーナルへの寄稿記事

Debris
Finite difference method
Accidents
Computer simulation
Gravitation
6 引用 (Scopus)

Numerical simulation of gas-liquid-solid three-phase flow using particle methods

Liu, X., Aramaki, Y., Guo, L. & Morita, K., 1 1 2015, : : journal of nuclear science and technology. 52, 12, p. 1480-1489 10 p.

研究成果: ジャーナルへの寄稿記事

Computer simulation
Liquids
liquids
Gases
gases
2014

Analysis of heat transfer behaviors in EAGLE ID1 test using particle-based simulation method

Aprianti, N. A., Oshima, W., Morita, A. & Morita, K., 3 25 2014, : : Memoirs of the Faculty of Engineering, Kyushu University. 74, 1, p. 1-23 23 p.

研究成果: ジャーナルへの寄稿記事

Ducts
heat transfer
Heat transfer
Molten materials
simulation
18 引用 (Scopus)

An investigation on debris bed self-leveling behavior with non-spherical particles

Cheng, S., Tagami, H., Yamano, H., Suzuki, T., Tobita, Y., Taketa, S., Nishi, S., Nishikido, T., Zhang, B., Matsumoto, T. & Morita, K., 9 2 2014, : : journal of nuclear science and technology. 51, 9, p. 1096-1106 11 p.

研究成果: ジャーナルへの寄稿記事

leveling
debris
Debris
beds
Core disruptive accidents

Development of assessment method for a self-leveling behavior of debris bed and analyses of experiments

Hirotaka, T., Songbai, C., Yoshiharu, T., Liancheng, G., Bin, Z. & Morita, K., 1 1 2014, Next Generation Reactors and Advanced Reactors; Nuclear Safety and Security. American Society of Mechanical Engineers (ASME), 巻 3.

研究成果: 著書/レポートタイプへの貢献会議での発言

Debris
Experiments
Fast reactors
Sodium
Boiling liquids
28 引用 (Scopus)

Evaluation of debris bed self-leveling behavior: A simple empirical approach and its validations

Cheng, S., Tagami, H., Yamano, H., Suzuki, T., Tobita, Y., Zhang, B., Matsumoto, T. & Morita, K., 1 1 2014, : : Annals of Nuclear Energy. 63, p. 188-198 11 p.

研究成果: ジャーナルへの寄稿記事

Debris
Fast reactors
Core disruptive accidents
Rapid quenching
Relocation
7 引用 (Scopus)

Numerical simulation of gas-solid fluidized beds by coupling a fluid-dynamics model with the discrete element method

Guo, L., Morita, K. & Tobita, Y., 1 1 2014, : : Annals of Nuclear Energy. 72, p. 31-38 8 p.

研究成果: ジャーナルへの寄稿記事

Fluid dynamics
Finite difference method
Fluidized beds
Dynamic models
Computer simulation
2 引用 (Scopus)

Numerical study on sedimentation behavior of solid particles used as simulant fuel debris

Shamsuzzaman, M., Zhang, B., Horie, T., Fuke, F., Matsumoto, T., Morita, K., Tagami, H., Suzuki, T. & Tobita, Y., 5 4 2014, : : journal of nuclear science and technology. 51, 5, p. 681-699 19 p.

研究成果: ジャーナルへの寄稿記事

Sedimentation
debris
Debris
Finite difference method
beds

Validation of a 3D hybrid cfd-dem method based on a self-leveling experiment

Guo, L., Morita, K., Tagami, H. & Tobita, Y., 1 1 2014, Radiation Protection and Nuclear Technology Applications; Fuel Cycle, Radioactive Waste Management and Decommissioning; Computational Fluid Dynamics (CFD) and Coupled Codes; Reactor Physics and Transport Theory. American Society of Mechanical Engineers (ASME), 巻 4.

研究成果: 著書/レポートタイプへの貢献会議での発言

Core disruptive accidents
Debris
Fast reactors
Multiphase flow
Hydraulics
2013

A methodological study on extending an empirical model to predict self-leveling behavior of debris beds with non-spherical particles

Cheng, S., Tagami, H., Yamano, H., Suzuki, T., Tobita, Y., Nakamura, Y., Zhang, B., Matsumoto, T. & Morita, K., 2013, International Conference on Power Engineering 2013, ICOPE 2013. Japan Society of Mechanical Engineers

研究成果: 著書/レポートタイプへの貢献会議での発言

Debris
Particle interactions
Core disruptive accidents
Fast reactors
Pressure drop
17 引用 (Scopus)

An experimental investigation on self-leveling behavior of debris beds using gas-injection

Cheng, S., Yamano, H., Suzuki, T., Tobita, Y., Gondai, Y., Nakamura, Y., Zhang, B., Matsumoto, T. & Morita, K., 7 1 2013, : : Experimental Thermal and Fluid Science. 48, p. 110-121 12 p.

研究成果: ジャーナルへの寄稿記事

Debris
Gases
Core disruptive accidents
Water
Fast reactors
33 引用 (Scopus)

Characteristics of self-leveling behavior of debris beds in a series of experiments

Cheng, S., Yamano, H., Suzuki, T., Tobita, Y., Nakamura, Y., Zhang, B., Matsumoto, T. & Morita, K., 1 1 2013, : : Nuclear Engineering and Technology. 45, 3, p. 323-334 12 p.

研究成果: ジャーナルへの寄稿記事

Debris
Fast reactors
Boiling liquids
Core disruptive accidents
Rapid quenching
9 引用 (Scopus)

Empirical correlations for predicting the self-leveling behavior of debris bed

Cheng, S., Yamano, H., Suzuki, T., Tobita, Y., Nakamura, Y., Zhang, B., Matsumoto, T. & Morita, K., 2 20 2013, : : Nuclear Science and Techniques. 24, 1, 010602.

研究成果: ジャーナルへの寄稿記事

leveling
debris
Debris
beds
Fast reactors
8 引用 (Scopus)

Experimental evaluation of debris bed characteristics in particulate debris sedimentation behaviour

Shamsuzzaman, M., Horie, T., Fuke, F., Kai, T., Zhang, B., Matsumoto, T., Morita, K., Tagami, H., Suzuki, T. & Tobita, Y., 1 1 2013, Beyond Design Basis Events; Student Paper Competition. American Society of Mechanical Engineers (ASME), (International Conference on Nuclear Engineering, Proceedings, ICONE; 巻数 6).

研究成果: 著書/レポートタイプへの貢献会議での発言

Sedimentation
Debris
Nozzles
Core disruptive accidents
Stainless steel
5 引用 (Scopus)

Numerical simulation Of 3D sloshing in a liquid-solid mixture using particle methods

Guo, L. & Morita, K., 8 31 2013, : : International Journal for Numerical Methods in Engineering. 95, 9, p. 771-790 20 p.

研究成果: ジャーナルへの寄稿記事

Sloshing
Liquid sloshing
Particle Method
Finite difference method
Liquid
1 引用 (Scopus)

Numerical simulation of self-leveling behavior in debris bed by a hybrid method

Guo, L., Morita, K., Tagami, H. & Tobita, Y., 2013, Nuclear Safety and Security; Codes, Standards, Licensing and Regulatory Issues; Computational Fluid Dynamics and Coupled Codes. American Society of Mechanical Engineers (ASME), 巻 3.

研究成果: 著書/レポートタイプへの貢献会議での発言

Core disruptive accidents
Debris
Fast reactors
Computer simulation
Fluid dynamics

Numerical simulation of single bubble moving in stagnant solidliquid mixture pool using finite volume particle method

Aramaki, Y., Suzuki, T., Miya, I., Guo, L. & Morita, K., 1 1 2013, Beyond Design Basis Events; Student Paper Competition. American Society of Mechanical Engineers (ASME), (International Conference on Nuclear Engineering, Proceedings, ICONE; 巻数 6).

研究成果: 著書/レポートタイプへの貢献会議での発言

Bubbles (in fluids)
Computer simulation
Liquids
Flow simulation
Fluids
1 引用 (Scopus)

Recent knowledge from an experimental investigation on self-leveling behavior of debris bed

Cheng, S., Yamano, H., Suzuki, T., Tobita, Y., Nakamura, Y., Taketa, S., Nishi, S., Zhang, B., Matsumoto, T. & Morita, K., 1 1 2013, Thermal Hydraulics. American Society of Mechanical Engineers (ASME), (International Conference on Nuclear Engineering, Proceedings, ICONE; 巻数 4).

研究成果: 著書/レポートタイプへの貢献会議での発言

Fast reactors
Debris
Core disruptive accidents
Flow rate
Nuclear energy
2012
8 引用 (Scopus)

Fundamental validation of the finite volume particle method for 3D sloshing dynamics

Guo, L. C., Zhang, S., Morita, K. & Fukuda, K., 1 10 2012, : : International Journal for Numerical Methods in Fluids. 68, 1, p. 1-17 17 p.

研究成果: ジャーナルへの寄稿記事

Sloshing
Liquid sloshing
Particle Method
Finite Volume Method
Free Surface
2 引用 (Scopus)

Numerical simulation of the self-leveling phenomenon by modified SIMMER-III

Zhang, B., Matsumoto, T., Morita, K., Yamano, H., Tagami, H., Suzuki, T. & Tobita, Y., 1 1 2012, 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference, ICONE 2012-POWER 2012. 1 版 American Society of Mechanical Engineers (ASME), p. 751-760 10 p. (International Conference on Nuclear Engineering, Proceedings, ICONE; 巻数 5, 番号 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Debris
Computer simulation
Core disruptive accidents
Sodium
Rapid quenching
4 引用 (Scopus)

Numerical simulation of three-phase flows with rich solid particles by coupling multi-fluid model with discrete element method

Guo, L., Morita, K. & Tobita, Y., 2012, 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference, ICONE 2012-POWER 2012. 1 版 巻 4. p. 371-382 12 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Core disruptive accidents
Finite difference method
Multiphase flow
Fluids
Computer simulation
2011
5 引用 (Scopus)

3D simulation of solid-melt mixture flow with melt solidification using a finite volume particle method

Snmahmudah, R., Kumabe, M., Suzuki, T., Guo, L. & Morita, K., 9 15 2011, : : journal of nuclear science and technology. 48, 10, p. 1300-1312 13 p.

研究成果: ジャーナルへの寄稿記事

solidification
Solidification
Freezing
simulation
freezing

3D simulation of solid-melt mixture flow with melt solidification using a finite volume particle method

Mahmudah, R. S., Kumabe, M., Suzuki, T., Guo, L. & Morita, K., 1 1 2011, : : journal of nuclear science and technology. 48, 10, p. 1300-1312 13 p.

研究成果: ジャーナルへの寄稿記事

solidification
Solidification
Freezing
simulation
freezing