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Journal Articles

Promising Neutron Irradiation Applications at the High Temperature Engineering Test Reactor

Hai Quan Ho, Yuki Honda, Shimpei Hamamoto, Toshiaki Ishii, Shoji Takada, Nozomu Fujimoto, Etsuo Ishitsuka
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2020, 6(2): 021902.
Paper No: NERS-19-1040
https://doi.org/10.1115/1.4044529
Published Online: February 24, 2020
View Article titled, Promising Neutron Irradiation Applications at the High Temperature Engineering Test Reactor
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Topics: Irradiation (Radiation exposure), Neutrons, Silicon, Solar cells, High temperature, Particulate matter
Journal Articles

Comprehensive Seismic Evaluation of HTTR Against the 2011 Off the Pacific Coast of Tohoku Earthquake

Masato Ono, Kazuhiko Iigaki, Hiroaki Sawahata, Yosuke Shimazaki, Atsushi Shimizu, Hiroyuki Inoi, Toshinari Kondo, Keidai Kojima, Shoji Takada, Kazuhiro Sawa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2018, 4(2): 020906.
Paper No: NERS-16-1104
https://doi.org/10.1115/1.4039288
Published Online: March 5, 2018
View Article titled, Comprehensive Seismic Evaluation of HTTR Against the 2011 Off the Pacific Coast of Tohoku Earthquake
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Topics: Earthquakes, Inspection, Instrumentation, Pacific Ocean, Shorelines, Optical quality control
Journal Articles

Loss of Core Cooling Test With One Cooling Line Inactive in Vessel Cooling System of High-Temperature Engineering Test Reactor

Yusuke Fujiwara, Takahiro Nemoto, Daisuke Tochio, Masanori Shinohara, Masato Ono, Shoji Takada
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2017, 3(4): 041013.
Paper No: NERS-16-1123
https://doi.org/10.1115/1.4036985
Published Online: July 31, 2017
View Article titled, Loss of Core Cooling Test With One Cooling Line Inactive in Vessel Cooling System of High-Temperature Engineering Test Reactor
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Topics: Cooling, Cooling systems, Temperature, Vessels, Water, Concretes, High temperature, Heat, Helium, Coolants
Journal Articles

Study on Sensitivity of Control Rod Cell Model in Reflector Region of High-Temperature Engineering Test Reactor

Yuki Honda, Nozomu Fujimoto, Hiroaki Sawahata, Shoji Takada, Kazuhiro Sawa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. January 2017, 3(1): 011005.
Paper No: NERS-15-1226
https://doi.org/10.1115/1.4033813
Published Online: December 20, 2016
View Article titled, Study on Sensitivity of Control Rod Cell Model in Reflector Region of High-Temperature Engineering Test Reactor
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Topics: High temperature, Neutron flux, Rods, Fuels, Design, Temperature, Computational methods
Journal Articles

Burn-Up Dependency of Control Rod Position at Zero-Power Criticality in the High-Temperature Engineering Test Reactor

Yuki Honda, Nozomu Fujimoto, Hiroaki Sawahata, Shoji Takada, Kazuhiro Sawa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. January 2017, 3(1): 011013.
Paper No: NERS-15-1220
https://doi.org/10.1115/1.4033812
Published Online: December 20, 2016
View Article titled, Burn-Up Dependency of Control Rod Position at Zero-Power Criticality in the High-Temperature Engineering Test Reactor
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Topics: Evaluation methods, High temperature, Temperature, Design, Cycles, Temperature distribution, Physics, Very high temperature reactors
Proceedings Papers

Improvement of Exchanging Method of Neutron Startup Source of High Temperature Engineering Test Reactor

Hiroaki Sawahata, Yosuke Shimazaki, Etsuo Ishitsuka, Kazunori Yamazaki, Yoshinori Yanagida, Yusuke Fujiwara, Shoji Takada, Masayuki Shinozaki, Shimpei Hamamoto, Daisuke Tochio
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, V002T06A033, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60842
https://doi.org/10.1115/ICONE24-60842
View Paper titled, Improvement of Exchanging Method of Neutron Startup Source of High Temperature Engineering Test Reactor
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Topics: High temperature, Neutrons, Containers, Fuels, Leakage, Machinery, Neutron sources, Radiation (Physics), Transportation systems, Cooling
Proceedings Papers

Thermal Mixing Behavior in the Annulus of Co-Axial Double-Walled Piping in HTGR

Daisuke Tochio, Yusuke Fujiwara, Masato Ono, Masanori Shinohara, Shimpei Hamamoto, Kazuhiko Iigaki, Shoji Takada
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, V002T06A034, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60843
https://doi.org/10.1115/ICONE24-60843
View Paper titled, Thermal Mixing Behavior in the Annulus of Co-Axial Double-Walled Piping in HTGR
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Topics: Annulus, Pipes, Very high temperature reactors, Helium, Temperature, Flow (Dynamics), Coolants, Cooling systems, Gas flow, Gases
Proceedings Papers

Characteristic Confirmation Test by Using HTTR and Investigation of Absorbing Thermal Load Fluctuation

Yuki Honda, Daisuke Tochio, Hiroyuki Sato, Shigeaki Nakagawa, Masato Ono, Yusuke Fujiwara, Shimpei Hamamoto, Kazuhiko Iigaki, Shoji Takada
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, V002T06A014, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60355
https://doi.org/10.1115/ICONE24-60355
View Paper titled, Characteristic Confirmation Test by Using HTTR and Investigation of Absorbing Thermal Load Fluctuation
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Topics: Stress, Very high temperature reactors, Temperature, Graphite, Heat, Testing performance, Combined heat and power, Fuels, High temperature, Nuclear power stations
Proceedings Papers

Loss of Core Cooling Test Without One Cooling Line in Vessel Cooling System (VCS) of High Temperature Engineering Test Reactor (HTTR)

Yusuke Fujiwara, Takahiro Nemoto, Daisuke Tochio, Masanori Shinohara, Masato Ono, Shimpei Hamamoto, Kazuhiko Iigaki, Shoji Takada
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, V002T06A035, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60858
https://doi.org/10.1115/ICONE24-60858
View Paper titled, Loss of Core Cooling Test Without One Cooling Line in Vessel Cooling System (VCS) of High Temperature Engineering Test Reactor (HTTR)
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Topics: Cooling, Cooling systems, High temperature, Vessels, Temperature, Reactor vessels, Concretes, Heat, Helium, Control systems
Proceedings Papers

Confirmation of Seismic Integrity of HTTR Against 2011 Great East Japan Earthquake

Masato Ono, Kazuhiko Iigaki, Yosuke Shimazaki, Atsushi Shimizu, Hiroyuki Inoi, Daisuke Tochio, Shimpei Hamamoto, Tetsuo Nishihara, Shoji Takada, Kazuhiro Sawa, Toshinari Kondo, Keidai Kojima
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, V002T06A023, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60571
https://doi.org/10.1115/ICONE24-60571
View Paper titled, Confirmation of Seismic Integrity of HTTR Against 2011 Great East Japan Earthquake
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Topics: Earthquakes, Inspection, Instrumentation, Very high temperature reactors, Damage, Earthquake resistant design, High temperature, Industrial research, Maintenance, Nuclear power
Journal Articles

Investigation of Countermeasure Against Local Temperature Rise in Vessel Cooling System in Loss of Core Cooling Test Without Nuclear Heating

Masato Ono, Atsushi Shimizu, Makoto Kondo, Yosuke Shimazaki, Masanori Shinohara, Daisuke Tochio, Kazuhiko Iigaki, Shigeaki Nakagawa, Shoji Takada, Kazuhiro Sawa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Technical Briefs
ASME J of Nuclear Rad Sci. October 2016, 2(4): 044502.
Paper No: NERS-15-1178
https://doi.org/10.1115/1.4032478
Published Online: October 12, 2016
View Article titled, Investigation of Countermeasure Against Local Temperature Rise in Vessel Cooling System in Loss of Core Cooling Test Without Nuclear Heating
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Topics: Cooling, Heating, Temperature, Water, Cooling systems, Vessels, Flow (Dynamics), Heat
Journal Articles

Nuclear Heat Supply Fluctuation Tests by Non-Nuclear Heating With HTTR

Yoshitomo Inaba, Kenji Sekita, Takahiro Nemoto, Yuki Honda, Daisuke Tochio, Hiroyuki Sato, Shigeaki Nakagawa, Shoji Takada, Kazuhiro Sawa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. October 2016, 2(4): 041001.
Paper No: NERS-15-1194
https://doi.org/10.1115/1.4034320
Published Online: October 12, 2016
View Article titled, Nuclear Heat Supply Fluctuation Tests by Non-Nuclear Heating With HTTR
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Topics: Coolants, Heat, Heating, Pressure, Temperature, Graphite, Helium, Heat transfer, Stress
Journal Articles

Development of the Prediction Technology of Cable Disconnection of In-Core Neutron Detector for the Future High-Temperature Gas-Cooled Reactors

Yosuke Shimazaki, Hiroaki Sawahata, Taiki Kawamoto, Hisashi Suzuki, Masanori Shinohara, Yuki Honda, Kozo Katsuyama, Shoji Takada, Kazuhiro Sawa
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. October 2016, 2(4): 041008.
Paper No: NERS-15-1201
https://doi.org/10.1115/1.4032597
Published Online: October 12, 2016
View Article titled, Development of the Prediction Technology of Cable Disconnection of In-Core Neutron Detector for the Future High-Temperature Gas-Cooled Reactors
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Topics: Cables, Neutrons, Sensors, Very high temperature reactors, Maintenance
Proceedings Papers

Preliminary Study on Thermal-Load Fluctuation Test Using HTTR

Daisuke Tochio, Yosuke Shimazaki, Kazuhiko Iigaki, Shigeaki Nakagawa, Shoji Takada, Nariaki Sakaba, Kazuhiro Sawa
Proc. ASME. ICONE21, Volume 2: Plant Systems, Construction, Structures and Components; Next Generation Reactors and Advanced Reactors, V002T05A034, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16082
https://doi.org/10.1115/ICONE21-16082
View Paper titled, Preliminary Study on Thermal-Load Fluctuation Test Using HTTR
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Topics: Stress, Dynamics (Mechanics), Hydrogen production, Combined heat and power, Design, Hydrogen, Industrial plants, Scram, Steady state, Very high temperature reactors
Proceedings Papers

A Safety Evaluation of HTTR Core Components Against 2011 Tohoku Earthquake

Kazuhiko Iigaki, Masato Ono, Yosuke Shimazaki, Daisuke Tochio, Atsushi Shimizu, Hiroyuki Inoi, Shoji Takada, Kazuhiro Sawa
Proc. ASME. ICONE21, Volume 2: Plant Systems, Construction, Structures and Components; Next Generation Reactors and Advanced Reactors, V002T05A035, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16091
https://doi.org/10.1115/ICONE21-16091
View Paper titled, A Safety Evaluation of HTTR Core Components Against 2011 Tohoku Earthquake
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Topics: Earthquakes, Safety, Seismic analysis, Design, Graphite, Inspection, Magnification, Optical quality control, Seismic waves, Stress
Proceedings Papers

Improvement of Temperature Evaluation Model of Biological Shielding Concrete for HTTR Test Simulating LOFC With VCS Inactive

Shoji Takada, Shunki Yanagi, Kazuhiko Iigaki, Masanori Shinohara, Daisuke Tochio, Yosuke Shimazaki, Masato Ono, Kazuhiro Sawa
Proc. ASME. ICONE21, Volume 2: Plant Systems, Construction, Structures and Components; Next Generation Reactors and Advanced Reactors, V002T05A036, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16095
https://doi.org/10.1115/ICONE21-16095
View Paper titled, Improvement of Temperature Evaluation Model of Biological Shielding Concrete for HTTR Test Simulating LOFC With VCS Inactive
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Topics: Concretes, Temperature, Cooling, Heat transfer, Fins, Heat conduction, Natural convection, Thermal radiation, Very high temperature reactors, Water
Journal Articles

Conceptual Structure Design of High Temperature Isolation Valve for High Temperature Gas Cooled Reactor

Shoji Takada, Kenji Abe, Yoshiyuki Inagaki
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2011, 133(11): 114501.
https://doi.org/10.1115/1.4003454
Published Online: May 17, 2011
View Article titled, Conceptual Structure Design of High Temperature Isolation Valve for High Temperature Gas Cooled Reactor
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Topics: Accidents, Creep, Design, Fatigue, Gas cooled reactors, High temperature, Hydrogen production, Stress, Valves, Damage
Proceedings Papers

Conceptual Structure Design of High Temperature Isolation Valve for High Temperature Gas Cooled Reactor

Shoji Takada, Kenji Abe, Yoshiyuki Inagaki
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 6, 53-58, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-29379
https://doi.org/10.1115/ICONE18-29379
View Paper titled, Conceptual Structure Design of High Temperature Isolation Valve for High Temperature Gas Cooled Reactor
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Topics: Design, Gas cooled reactors, High temperature, Valves, Stress, Temperature, Accidents, Creep, Helium, Hydrogen production
Proceedings Papers

Design Improvements of Power Conversion System of Gas Turbine High Temperature Reactor (GTHTR300)

Shoji Takada, Takakazu Takizuka, Kazuhiko Kunitomi, Xing Yan, Shinichi Kosugiyama
Proc. ASME. GT2004, Volume 7: Turbo Expo 2004, 341-349, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53540
https://doi.org/10.1115/GT2004-53540
View Paper titled, Design Improvements of Power Conversion System of Gas Turbine High Temperature Reactor (GTHTR300)
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Topics: Design, Gas turbines, High temperature, Power conversion systems, Compressors, Cycles, Magnetic bearings, Temperature, Turbochargers, Axial flow
Proceedings Papers

Experimental and Analytical Study on Chemical Reaction Loss Accident With a Mock-Up Model of HTTR Hydrogen Production System

Hirofumi Ohashi, Tetsuo Nishihara, Tetsuaki Takeda, Yukimasa Maeda, Hiroyuki Sato, Yoshitomo Inaba, Koji Hayashi, Shoji Takada, Yoshiyuki Inagaki
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 2, 507-514, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49419
https://doi.org/10.1115/ICONE12-49419
View Paper titled, Experimental and Analytical Study on Chemical Reaction Loss Accident With a Mock-Up Model of HTTR Hydrogen Production System
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Topics: Accidents, Boilers, Chemical reactions, Hydrogen production, Numerical analysis