1-14 of 14
Chikako Iwaki
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Greeting From the President-Elect of JSME

Chikako Iwaki
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Guest Editorial
ASME J of Nuclear Rad Sci. January 2025, 11(1): 010301.
Paper No: NERS-24-1088
https://doi.org/10.1115/1.4066922
Published Online: December 10, 2024
View Article titled, Greeting From the President-Elect of JSME
Open the PDF for Greeting From the President-Elect of JSME in another window
Topics: Japan Society of Mechanical Engineers, Nuclear power stations, Safety, Nuclear power, Fukushima nuclear disaster, Japan, 2011
Proceedings Papers

Study on Thermal-Hydraulics Characteristics of the Flat and High-Thermal-Conductivity Core-Catcher

Daiki Takeyama, Chikako Iwaki, Yoichi Onitsuka, Mika Tahara
Proc. ASME. ICONE26, Volume 6B: Thermal-Hydraulics and Safety Analyses, V06BT08A025, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82046
https://doi.org/10.1115/ICONE26-82046
View Paper titled, Study on Thermal-Hydraulics Characteristics of the Flat and High-Thermal-Conductivity Core-Catcher
Open the PDF for Study on Thermal-Hydraulics Characteristics of the Flat and High-Thermal-Conductivity Core-Catcher in another window
Topics: Electrical conductivity, Thermal conductivity, Thermal hydraulics, Heat flux, Flow (Dynamics), Temperature, Cooling, Heat transfer, Melting, Accidents
Proceedings Papers

Development of Hydrogen Treatment System in Severe Accident: Part 4 — Study of Fission Products and Steam Effect on Hydrogen Treatment Characteristics

Akira Yamada, Motoshige Yagyu, Chikako Iwaki, Tsukasa Sugita, Yoshiko Haruguchi, Masashi Tanabe
Proc. ASME. ICONE26, Volume 4: Nuclear Safety, Security, and Cyber Security; Computer Code Verification and Validation, V004T06A024, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81759
https://doi.org/10.1115/ICONE26-81759
View Paper titled, Development of Hydrogen Treatment System in Severe Accident: Part 4 — Study of Fission Products and Steam Effect on Hydrogen Treatment Characteristics
Open the PDF for Development of Hydrogen Treatment System in Severe Accident: Part 4 — Study of Fission Products and Steam Effect on Hydrogen Treatment Characteristics in another window
Topics: Accidents, Hydrogen, Nuclear fission, Steam, Vents, Boiling water reactors, Pressure, Manganese dioxide, Metals, Oxidation
Proceedings Papers

Development of Hydrogen Treatment System in Severe Accident: Part 5 — Effect of Steam Flow on Performance of a Hydrogen Treatment Unit With Metal Oxides

Chikako Iwaki, Tsukasa Sugita, Akira Yamada, Motoshige Yagyu, Yoshiko Haruguchi, Masashi Tanabe
Proc. ASME. ICONE26, Volume 4: Nuclear Safety, Security, and Cyber Security; Computer Code Verification and Validation, V004T06A013, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81386
https://doi.org/10.1115/ICONE26-81386
View Paper titled, Development of Hydrogen Treatment System in Severe Accident: Part 5 — Effect of Steam Flow on Performance of a Hydrogen Treatment Unit With Metal Oxides
Open the PDF for Development of Hydrogen Treatment System in Severe Accident: Part 5 — Effect of Steam Flow on Performance of a Hydrogen Treatment Unit With Metal Oxides in another window
Topics: Accidents, Flow (Dynamics), Hydrogen, Metals, Steam, Pipes, Temperature, Boiling water reactors, Containment vessels, Errors
Proceedings Papers

Development of Hydrogen Treatment System in Severe Accident: Part 3 — Study of Reactant Diameter Effect on Hydrogen Treatment

Akira Yamada, Chikako Iwaki, Ryoma Fujihara, Motoshige Yagyu, Masato Okamura, Masashi Tanabe
Proc. ASME. ICONE25, Volume 4: Nuclear Safety, Security, Non-Proliferation and Cyber Security; Risk Management, V004T06A019, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-66707
https://doi.org/10.1115/ICONE25-66707
View Paper titled, Development of Hydrogen Treatment System in Severe Accident: Part 3 — Study of Reactant Diameter Effect on Hydrogen Treatment
Open the PDF for Development of Hydrogen Treatment System in Severe Accident: Part 3 — Study of Reactant Diameter Effect on Hydrogen Treatment in another window
Topics: Accidents, Hydrogen, Manganese dioxide, Metals, Containment vessels, Heat, Light water reactors, Oxidation, Oxygen, Pressure
Proceedings Papers

Development of Hydrogen Treatment System in Severe Accident: Part 2 — Study on Reaction Characteristic of a Hydrogen Processing Unit

Chikako Iwaki, Daigo Kittaka, Toshihiro Yoshii, Motoshige Yagyu, Masato Okamura, Masashi Tanabe, Fumihiko Ishibashi
Proc. ASME. ICONE24, Volume 2: Smart Grids, Grid Stability, and Offsite and Emergency Power; Advanced and Next Generation Reactors, Fusion Technology; Safety, Security, and Cyber Security; Codes, Standards, Conformity Assessment, Licensing, and Regulatory Issues, V002T07A012, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60917
https://doi.org/10.1115/ICONE24-60917
View Paper titled, Development of Hydrogen Treatment System in Severe Accident: Part 2 — Study on Reaction Characteristic of a Hydrogen Processing Unit
Open the PDF for Development of Hydrogen Treatment System in Severe Accident: Part 2 — Study on Reaction Characteristic of a Hydrogen Processing Unit in another window
Topics: Accidents, Hydrogen, Metals, Pipes, Pressure, Temperature, Vents, Boiling water reactors, Filters, Oxidation
Proceedings Papers

Operating Condition of Steam Injector as a Passive Cooling System at Severe Accident of Nuclear Power Plant

Yutaka Abe, Shunsuke Shibayama, Akiko Kaneko, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori
Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 767-776, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54868
https://doi.org/10.1115/ICONE20-POWER2012-54868
View Paper titled, Operating Condition of Steam Injector as a Passive Cooling System at Severe Accident of Nuclear Power Plant
Open the PDF for Operating Condition of Steam Injector as a Passive Cooling System at Severe Accident of Nuclear Power Plant in another window
Topics: Accidents, Cooling systems, Ejectors, Nuclear power stations, Pressure, Diffusers, Nozzles, Steam, Water, Flow (Dynamics)
Proceedings Papers

The Validation of the 4S Safety Analysis Code for Loss of Offsite Power Event

Nobuhiko Usui, Atsuko Matsuda, Jun Ohno, Chikako Iwaki, Fumie Sebe, Hisao Watanabe
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, 681-690, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54963
https://doi.org/10.1115/ICONE20-POWER2012-54963
View Paper titled, The Validation of the 4S Safety Analysis Code for Loss of Offsite Power Event
Open the PDF for The Validation of the 4S Safety Analysis Code for Loss of Offsite Power Event in another window
Topics: Safety, Flow (Dynamics), Licensing, Computational fluid dynamics, Computer software, Design, Electricity (Physics), Fast neutron reactors, Regulations, Transients (Dynamics)
Proceedings Papers

Study on the Interfacial Behavior and Thermal Characteristics in Liquid-Vapor Flow of the Supersonic Steam Injector

Shunsuke Shibayama, Yutaka Abe, Akiko Kaneko, Akira Fukuichi, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 2, 599-608, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-29568
https://doi.org/10.1115/ICONE18-29568
View Paper titled, Study on the Interfacial Behavior and Thermal Characteristics in Liquid-Vapor Flow of the Supersonic Steam Injector
Open the PDF for Study on the Interfacial Behavior and Thermal Characteristics in Liquid-Vapor Flow of the Supersonic Steam Injector in another window
Topics: Ejectors, Flow (Dynamics), Vapors, Water, Heat, Momentum, Steam, Boundary layers, Condensation, Enthalpy
Proceedings Papers

Study on Turbulent Behavior of Water Jet in Supersonic Steam Injector

Akira Fukuichi, Yutaka Abe, Akiko Fujiwara, Yujiro Kawamoto, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 779-788, May 11–15, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICONE16-48338
https://doi.org/10.1115/ICONE16-48338
View Paper titled, Study on Turbulent Behavior of Water Jet in Supersonic Steam Injector
Open the PDF for Study on Turbulent Behavior of Water Jet in Supersonic Steam Injector in another window
Topics: Ejectors, Turbulence, Water, Steam, Condensation, Momentum, Heat, Pressure, Shear stress, Density
Proceedings Papers

Effect of Non-Condensable Gas on Steam Injector

Yujiro Kawamoto, Yutaka Abe, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 1, 867-872, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49593
https://doi.org/10.1115/ICONE12-49593
View Paper titled, Effect of Non-Condensable Gas on Steam Injector
Open the PDF for Effect of Non-Condensable Gas on Steam Injector in another window
Topics: Ejectors, Condensation, Pumps, Steam, Water, Engines, Flow (Dynamics), Gases, Heat transfer, Image processing
Proceedings Papers

Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 11—Visualization Study on the Start-Up of the Steam Injector

Koji Okamoto, Tadashi Narabayashi, Chikako Iwaki, Shuichi Ohmori, Michitsugu Mori
Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 803-807, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89342
https://doi.org/10.1115/ICONE14-89342
View Paper titled, Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 11—Visualization Study on the Start-Up of the Steam Injector
Open the PDF for Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 11—Visualization Study on the Start-Up of the Steam Injector in another window
Topics: Ejectors, Nuclear power stations, Visualization, Water, Lasers, Condensation, Flow (Dynamics), Fluids, Heat transfer, Lenses (Optics)
Proceedings Papers

Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 9—System Outline and Endurance Test of Low-Pressure Steam Injectors

Shuichi Ohmori, Michitsugu Mori, Shoji Goto, Tadashi Narabayashi, Chikako Iwaki, Yutaka Asanuma
Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 817-825, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89391
https://doi.org/10.1115/ICONE14-89391
View Paper titled, Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 9—System Outline and Endurance Test of Low-Pressure Steam Injectors
Open the PDF for Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 9—System Outline and Endurance Test of Low-Pressure Steam Injectors in another window
Topics: Ejectors, Nuclear power stations, Pressure, Feedwater, Accidents, Economics , Emergency core cooling systems, Safety, Containment, Cooling systems
Proceedings Papers

Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 12—Evaluations of Spatial Distributions of Flow and Heat Transfer in Steam Injector

Yutaka Abe, Yujiro Kawamoto, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 827-834, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89417
https://doi.org/10.1115/ICONE14-89417
View Paper titled, Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 12—Evaluations of Spatial Distributions of Flow and Heat Transfer in Steam Injector
Open the PDF for Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 12—Evaluations of Spatial Distributions of Flow and Heat Transfer in Steam Injector in another window
Topics: Ejectors, Flow (Dynamics), Heat transfer, Nuclear power stations, Steam, Water, Pressure, Condensation, Heat exchangers, Nuclear reactors